СИНТЕЗ КОМПОНЕНТОВ КАТАЛИЗАТОРА ПОЛИМЕРИЗАЦИИ

Описан способ синтеза фторированных металлоценовых компонентов катализатора, включающий контактирование по крайней мере одного фторирующего агента, включающего фтор, с одним или более алкилированных металлоценовых компонентов катализатора, включающим одну или более негалогеновых уходящих групп, с целью получения фторированного компонента катализатора, где менее чем три эквивалента фтора контактируют с каждым эквивалентом уходящей группы. Способ по настоящему изобретению иллюстрируется следующей реакцией, которая протекает в некоординирующем растворителе, таком как пентан: формула (I), где одно или оба из Ср колец могут быть замещенными группой R, как описано в настоящем описании, и могут быть связаны мостиком. Реакцию можно проводить при любой желаемой температуре, предпочтительно от 10 до 35°С. Продукт реакции BF3 и диметилцирконоцена представляет собой фторированный цирконоцен. Мольное отношение фторирующего агента BF3 и исходного металлоцена составляет менее 2:1 (фторирующий агент : ...

СПОСОБ ПОЛУЧЕНИЯ ВИНИЛИДЕНОВЫХ ОЛЕФИНОВ

Изобретение относится к области промышленного получения ненасыщенных углеводородов с заданной структурой, а именно к способу получения винилиденовых олефинов. Способ включает димеризацию альфа-олефинов, таких как гексен-1, октен-1, децен-1, в присутствии продукта взаимодействия цирконоцендихлоридов с алюминийорганическими соединениями. В качестве цирконоцендихлоридов используют (CH)ZrClили цирконоцендихлорид, имеющий общую формулу [X(CH)]ZrCl, где X - мостиковая группа, связывающая циклопентадиенильные кольца и имеющая количество звеньев от двух до трех, и характеризующийся величиной диэдрального угла между циклопентадиенильными кольцами α=51-53.5°. Взаимодействие с алюминийорганическими соединениями осуществляют сначала с триизобутилалюминием, а затем с метилалюмоксаном. Изобретение позволяет повысить выход димеров с образованием легко отделяемых побочных продуктов в количестве не более 7%, при проведении процесса в отсутствие дополнительных растворителей и применении каталитической системы ...

МЕТАЛЛООРГАНИЧЕСКИЕ КАТАЛИТИЧЕСКИЕ КОМПОЗИЦИИ

Изобретение относится к способу получения каталитической композиции, которую используют для полимеризации по меньшей мере одного мономера с получением полимера, где указанную каталитическую композицию получают взаимодействием металлоорганического соединения, по меньшей мере одного алюмоорганического соединения и фторированного твердооксидного соединения, которое выбирают из оксида кремния – оксида алюминия. Изобретение также относится к способу получения каталитической композиции, включающему: (1) взаимодействие твердооксидного соединения с водой, содержащей бифторид аммония; (2) прокаливание полученного фторированного твердооксидного соединения при 350-600°С, (3) комбинирование прокаленной композиции и бис(4-бутилциклопентадиенил)цирконийдихлорида при 15-80°С, (4) после 1 мин – 1 ч. комбинирование полученной смеси и триэтилалюминия с получением указанной каталитической композиции. Изобретение также относится к каталитической композиции, способу полимеризации и изделию. Каталитические композиции ...

КОМПОЗИЦИЯ КАТАЛИЗАТОРА ДЛЯ ГИДРИРОВАНИЯ И СПОСОБ ГИДРИРОВАНИЯ С ЕЕ ИСПОЛЬЗОВАНИЕМ

Изобретение относится к композиции катализатора для гидрирования. Композиция содержит компоненты (А), (В), (С) и (D), где массовое отношение (D) к (А) ((D)/(А)) находится в пределах от 0,01 до 2,00, и где массовое отношение (С) к (А) ((С)/(А)) находится в пределах от 0,3 до 8,0. (А) представляет собой титаноценовое соединение, представленное следующей общей формулой (1),где Rи Rпредставляют собой любую группу, выбранную из группы, состоящей из водорода, углеводородной группы, имеющей 1-12 атомов углерода, арилоксигруппы, алкоксигруппы, группы галогена и карбонильной группы, Rи Rмогут быть одинаковыми или различными; и Rи Rпредставляют собой любую группу, выбранную из группы, состоящей из водорода и углеводородной группы, имеющей 1-12 атомов углерода, и Rи Rмогут быть одинаковыми или различными; при условии, что не все Rи Rпредставляют собой атомы водорода или не все они представляют собой углеводородную группу, имеющую 1-12 атомов углерода. (B) представляет собой соединение, содержащее ...

Способ производства модифицированной глины, металлоценового катализатора полимеризации на подложке, производимого катализатора и их применение

Предложен способ производства каталитической подложки-активатора для металлоценовых каталитических композиций для полимеризации олефинов, причем указанная подложка-активатор содержит: интеркалированную смектитовую глину со сшивками, содержащими алюминий и: (i) по меньшей мере один редкоземельный металл или металл лантаноидной группы, выбранный из лантана и церия; или (ii) по меньшей мере один редкоземельный металл или металл лантаноидной группы, выбранный из лантана и церия, и галлий; причем указанная глина содержит по меньшей мере один ионообменный ион металла, который выбирают из магния и цинка, включающий следующие этапы: (A) взаимодействие водной суспензии, содержащей смектитовую глину, с водным сшивающим агентом, содержащим алюминий и: (i) по меньшей мере один редкоземельный металл или металл лантаноидной группы, выбранный из лантана и церия; или (ii) по меньшей мере один редкоземельный металл или металл лантаноидной группы, выбранный из лантана и церия, и галлий; с образованием фазы ...

ЗАМЕЩЕННЫЕ ФЕРРОЦЕНИЛДИФОСФИНЫ В КАЧЕСТВЕ ЛИГАНДОВ ДЛЯ ГОМОГЕННЫХ КАТАЛИЗАТОРОВ ГИДРИРОВАНИЯ

Описаны соединения формулы I, ! , ! где R1 представляет собой фенил, R2 представляет собой диметиламиногруппу, и R представляет собой радикал формулы ! , ! где R3 представляет собой метил, R4 представляет собой Н или метоксил, которые являются лигандами для металлокомплексов, используемых как гомогенные катализаторы гидрирования прохиральных органических соединений, содержащих двойные связи, при использовании которых можно достичь очень высоких активности и производительности, а также энантиоселективности. 4 н. и 2 з.п. ф-лы.

ПОЛИЭТИЛЕНОВЫЕ КОМПОЗИЦИИ, ОБЛАДАЮЩИЕ УЛУЧШЕННЫМИ СВОЙСТВАМИ

Полиэтиленовая композиция включает этилен и бутен и имеет индекс длинноцепочечного разветвления (g'cp.) от 0,5 до 0,9; показатель текучести расплава (ПТР) более (49,011×ИР(-0,4304)), где ИР - индекс расплава; и отношение средневесовой молекулярной массы к среднечисленной молекулярной массе Mw/Mn менее или равное 4,6. Способ полимеризации олефинов в газовой фазе с получением указанной композиции осуществляют в присутствии каталитической системы, содержащей ахиральное циклическое мостиковое металлоценовое каталитическое соединение и активатор - алюмоксан, модифицированный алюмоксан или их смеси. Пленки, включающие указанную композицию, обладают хорошими оптическими и усадочными свойствами. В частности пленка может иметь одну или большее число следующих характеристик: напряжение пластической усадки в продольном направлении (MD)≤0,08 МПа; поверхность усадки Retromat >60%; прозрачность >60%; относительное внутреннее помутнение ≤1,0%/мил (т.е. %/0,001 дюйма); мутность <20%. Полиэтиленовая композиция ...

КАТАЛИТИЧЕСКАЯ КОМПОЗИЦИЯ ДЛЯ ГИДРИРОВАНИЯ НЕНАСЫЩЕННЫХ СОЕДИНЕНИЙ И СПОСОБ ГИДРИРОВАНИЯ ДИЕНОВЫХ (СО)ПОЛИМЕРОВ

Изобретение относится к каталитической композиции, которая может быть использована для гидрирования ненасыщенных соединений, содержащих олефиновые двойные связи, в частности для селективного гидрирования полимеров и сополимеров сопряженных диенов. Описана каталитическая композиция, полученная взаимодействием между: А) по меньшей мере, одним циклопентадиениловым комплексом переходного металла, имеющим общую формулу (I): (R)(R1)M1(R2)(R3 ), где R - анион, содержащий η5-циклопентадиениловый цикл, координированный с М1; М1 выбран из группы, включающей титан, цирконий и гафний; R2 и R3 являются одинаковыми или разными и представляют галогенид; R1 выбран из циклопентадиенила и R2; и В) алкилирующей композицией; состоящей из: (b1) металлоорганического соединения, имеющего общую формулу (II) М2(R4)(R5), где М2 представляет собой Mg; и R4 - алифатический С1-С20-радикал, R5 - галоген или равен R4, (b2) органического соединения алюминия, имеющего общую формулу (III) Al(R6)3, где R6 представляет собой ...

КАТАЛИТИЧЕСКАЯ КОМПОЗИЦИЯ, СПОСОБЫ ЕЕ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЕ В СПОСОБЕ ПОЛИМЕРИЗАЦИИ

Предложены каталитические композиции для полимеризации и способы получения указанных композиций. Описан способ получения каталитической композиции для полимеризации олефинов, включающий: осуществление контакта катализатора на подложке с жирным амином в жидком носителе с образованием суспензии из катализатора на подложке и жирного амина в жидком носителе; причем указанный жирный амин по существу не содержит мелкодисперсного неорганического материала; и высушивание указанной суспензии с образованием по существу свободно сыпучего порошка, и отличающийся тем, что указанный жирный амин представлен формулой (R1)xN(R2OH)y, где R1представляет собой углеводородный радикал, содержащий от 8 до 40 атомов углерода; R2представляет собой углеводородный радикал, содержащий от 1 до 8 атомов углерода; и х принимает значение 1 или 2 и х+у=3; и указанный катализатор на подложке содержит одно или более металлоценовых соединений, выбранных из: (пентаметилциклопентадиенил)(пропилциклопентадиенил)МХ2,(тетраметилциклопентадиенил ...

КАТАЛИТИЧЕСКАЯ СИСТЕМА

... 1. Каталитическая система, способная катализировать карбонилирование этилен-ненасыщенного соединения, эта система может быть получена посредством объединенияa) металла группы VIB или группы VIIIB, или его соединения,b) бидентатного фосфинового, арсинового или стибинового лиганда иc) кислоты,где указанный лиганд присутствует в молярном избытке, по меньшей мере, 2:1, по сравнению с указанным металлом или указанным металлом в соединении указанного металла, и указанная кислота присутствует в молярном избытке, по меньшей мере, 2:1, по сравнению с указанным лигандом.2. Каталитическая система по п.1, в которой соотношение указанного лиганда к указанному металлу находится в пределах 5:1-750:1.3. Каталитическая система по п.1, в которой соотношение указанного лиганда к указанному металлу находится в пределах 10:1-500:1.4. Каталитическая система по п.1, в которой соотношение указанного лиганда к указанному металлу находится в пределах 20:1-40:1,5. Каталитическая система по п.1, в которой соотношение ...

ГОМОГЕННЫЙ КАТАЛИЗАТОР ОКИСЛЕНИЯ ДИЭТИЛДИТИОКАРБАМАТА НАТРИЯ НА ОСНОВЕ ТЕТРА-4-(4'-КАРБОКСИФЕНИЛСУЛЬФАНИЛ)-5-НИТРОФТАЛОЦИАНИНА КОБАЛЬТА(II)

Изобретение относится к гомогенному катализатору на основе тетра-4-(4'-карбоксифенилсульфанил)тетра-5-нитрофталоцианина кобальта(II) тетранатриевой соли формулыИзобретение позволяет получить соединение, имеющее высокую каталитическую активность при окислении диэтилдитиокарбамата натрия. 4 ил., 1 табл., 2 пр.

ОКСОАЛКИЛИДЕНОВЫЕ КОМПЛЕКСЫ ВОЛЬФРАМА ДЛЯ Z-СЕЛЕКТИВНОГО МЕТАТЕЗИСА ОЛЕФИНОВ

... 1. Соединение формулы I-c:где:каждый из Rи Rнезависимо представляет собой R, -OR, -SR, -N(R), -OC(O)R, -SOR, -SOR, -SON(R), -C(O)N(R), -NRC(O)R или -NRSOR;Rпредставляет собой Rили -OSi(R);Rпредставляет собой R, -N(R), -NRC(O)R, -NRC(O)OR, -NRC(O)N(R), -NRSOR, -NRSON(R), -NROR, NR; -OR, O(R)или возможно замещенную группу, выбранную из 5-6-членного моноциклического гетероарильного кольца, содержащего по меньшей мере один атом азота и 0-3 дополнительных гетероатомов, независимо выбранных из азота, кислорода и серы; 4-7-членного насыщенного или частично ненасыщенного гетероциклического кольца, содержащего по меньшей мере один атом азота и 0-2 дополнительных гетероатомов, независимо выбранных из азота, кислорода и серы; 7-10-членного бициклического насыщенного или частично ненасыщенного гетероциклического кольца, содержащего по меньшей мере один атом азота и 0-4 дополнительных гетероатомов, независимо выбранных из азота, кислорода и серы; или 8-10-членного бициклического гетероарильного кольца ...

СПОСОБ ПОЛУЧЕНИЯ КОМПЛЕКСОВ РУТЕНИЯ И ИХ ПРОМЕЖУТОЧНЫХ СОЕДИНЕНИЙ И ИХ ПРИМЕНЕНИЕ В МЕТАТЕЗИСЕ ОЛЕФИНОВ

Настоящее изобретение относится к способу получения соединения, представленного формулой1,, где значения заместителей такие, как определены в формуле изобретения. Способ включает контактирование алкилиденового комплекса рутения, представленного формулой2,, с карбеном, представленным формулой3,, затем сформированную таким образом реакционную смесь вводят в контакт с соединением, представленным формулой4,, с получением соединения, представленного формулой1. Также предложены соединение формулы1, промежуточное соединение формулы5, применение соединений формулы1и формулы5. Способ по настоящему изобретению позволяет избежать трудоемкого синтеза комплекса и позволяет произвести простую модификацию бензилиденового лиганда. Полученные соединения продемонстрировали себя отличными катализаторами для метатезиса олефинов. 7 н. и 13 з.п. ф-лы, 7 табл., 49 пр., 4 ил.

КОМПОЗИЦИИ ОБЕСПЕЧЕНИЯ НЕПРЕРЫВНОСТИ И СПОСОБЫ ИЗГОТОВЛЕНИЯ И ИСПОЛЬЗОВАНИЯ ТАКОВЫХ

ПОВЕРХНОСТНО-МОДИФИЦИРОВАННЫЙ КАРБОНАТ КАЛЬЦИЯ В КАЧЕСТВЕ НОСИТЕЛЯ ДЛЯ КАТАЛИЗАТОРОВ НА ОСНОВЕ ПЕРЕХОДНЫХ МЕТАЛЛОВ

Способ производства модифицированной глины, металлоценового катализатора полимеризации на подложке, производимого катализатора и их применение

СПОСОБ ПОЛУЧЕНИЯ СОЕДИНЕНИЯ, СОЕДИНЕНИЯ, КОМПЛЕКСНЫЙ МЕТАЛЛООРГАНИЧЕСКИЙ КАТАЛИЗАТОР

... 1. Способ получения соединения формулы (I)в которой R1 и R2 могут быть одинаковыми или различными и по отдельности представляют собой замещенную или незамещенную группу, выбранную из алкильной, циклоалкильной, арильной, алкилокси-, циклоалкилокси-, арилокси, алкиламино-, циклоалкиламино, ариламино, металлоценильной группы;R3, R4, R5, R6 могут быть одинаковыми или различными и по отдельности представляют собой атом водорода либо замещенную или незамещенную группу, выбранную из алкильной, циклоалкильной, арильной, алкилокси-, циклоалкилокси-, арилокси-, алкиламино-, циклоалкиламино-, ариламиногруппы;Е представляет собой замещенную или незамещенную группу, выбранную из PR7R8, P(BH)R7R8, -CH-PR7R8, -CH-P(BH)R7R8, -BR9R10, -CR11R12OH, -COR11, -SiR11R12R13; -SiR11R12-CH-PR7R8;где R7 и R8 могут быть одинаковыми или различными и по отдельности представляют собой водород, замещенную или незамещенную группу, выбранную из алкильной, циклоалкильной, арильной, алкилокси-, циклоалкилокси-, арилокси, ...

ЗАМЕЩЕННЫЕ ФЕРРОЦЕНИЛДИФОСФИНЫ В КАЧЕСТВЕ ЛИГАНДОВ ДЛЯ ГОМОГЕННЫХ КАТАЛИЗАТОРОВ ГИДРИРОВАНИЯ

... 1. Соединение формулы I в виде практически чистых энантиомеров, где R1 представляет собой С1-С4алкил, С6-С10арил или С7-С11аралкил, R2 представляет собой нециклическую или циклическую вторичную аминогруппу, R представляет собой радикал формулы где R3 представляет собой С1-С4алкил или С1-С4алкоксил, и R4 представляет собой Н, С1 -С4алкил или С1-С4алкоксил. 2. Соединение по п.1, где R1 в соединении формулы I представляет собой фенил. 3. Соединение по п.1, где нециклическая вторичная аминогруппа R2 соответствует формуле R5R6N-, где R5 и R6 представляют собой независимо друг от друга C1 -С6алкил, С3-С8циклоалкил, С6-С10арил, или С7-С11аралкил, где циклоалкильные группы и арильные группы являются незамещенными, или замещенными С1-С4алкилом или С1-С4алкоксилом, или R5 и R6 вместе образуют тетраметилен, пентаметилен или 3-оксапентилен. 4. Соединение по п.3, где каждый из R5 и R6 представляет собой метил. 5. Соединение по п.1, где оба радикала R3 представляют собой метил, трет-бутил или метоксил ...

ПОЛИЭТИЛЕНОВЫЕ КОМПОЗИЦИИ, ОБЛАДАЮЩИЕ УЛУЧШЕННЫМИ СВОЙСТВАМИ

... 1. Полиэтиленовая композиция, включающая мономеры этилена и бутена, имеющая: индекс длинноцепочечного разветвления 0,5≤g'cp.≤0,9; ! показатель текучести расплава (ПТР)>(49,011×ИР(-0,4304)), где ИР - индекс расплава; и отношение средневесовой молекулярной массы к среднечисленной молекулярной массе Mw/Mn≤4,6. ! 2. Полиэтиленовая композиция по п.1, имеющая 0,55≤g'cp.≤0,85. ! 3. Полиэтиленовая композиция по п.1, имеющая ПТР>(57,18×ИР(-0,4304)). ! 4. Полиэтиленовая композиция по п.1, имеющая примерно 2,0≤Mw/Mn ≤ примерно 4,2. ! 5. Полиэтиленовая композиция по одному из пп.1 и 2, имеющая 0,75≤g' при молекулярной массе 100000≤0,95. ! 6. Полиэтиленовая композиция по одному из пп.1 и 2, имеющая 0,5≤g' при молекулярной массе 500000≤0,85. ! 7. Полиэтиленовая композиция по п.1, имеющая величину Т75-Т25, равную или ниже примерно 25, где Т25 - температура, при которой получено 25% элюированного полимера, а Т75 - температура, при которой получено 75% элюированного полимера. ! 8. Полиэтиленовая композиция ...

Способ получения комплексных соединений щелочных металлов

OPTISCH AKTIVE DIPHOSPHINE UND HERSTELLUNGSVERFAHREN DURCH AUFTRENNUNG DER RACEMATMISCHUNG

Katalysatorsysteme und Verfahren zur Herstellung von Polyolefinen mit breiter Molekulargewichtverteilung

Verfahren zur Herstellung von Dimeren des Bicyclo-[2, 2, 1]-heptadiens-(2, 5)

Olefinbasiertes Polymer

Olefinbasiertes Polymer mit einer Elutionstemperatur 1 (Tel) und einer Elutionstemperatur 2 (Te2), die Elutionstemperaturen des olefinbasierten Polymers in einem Temperaturbereich von -20 °C bis 130 °C sind, gemessen mittels Temperaturanstiegs-Elutionsfraktionierung (TREF), das ein erstes semikristallines olefinbasiertes Polymer und ein zweites semikristallines olefinbasiertes Polymer umfasst, wobei das Fraktionsverhältnis des Peaks für das erste semikristalline olefinbasierte Polymer (P1) 20 bis 90 % beträgt und das Fraktionsverhältnis des Peaks für das zweite semikristalline olefinbasierte Polymer (P2) 10 bis 80 % beträgt, gemessen mittels TREF, undmit einer Verzweigungsgradientenzahl (BGN) von -1,0 bis -0,001, gemessen mittels Chromatographie/Fourier-Transformations-Infrarotspektroskopie (GPC/FT-IR),wobei die Verzweigungsgradientenzahl (BGN) durch Berechnung unter Verwendung der folgenden Gleichung 1 erhalten wird:wobei in der oben stehenden Gleichung 1das niedrige Molekulargewicht das ...

Neue Diphosphinverbindung, Zwischenprodukte für deren Herstellung, Übergangsmetallkomplex enthaltend die Verbindung als Ligand und Katalysator für asymmetrische Hydrierungen, welcher den Komplex enthält

CHIRALE RHODIUM-DIPHOSPHINKOMPLEXE FUER ASYMMETRISCHE HYDRIERUNGEN.

Verfahren zur Rückgewinnung eines Gruppe-VIII-Metall-Komplexes und Hydroformylationsverfahren.

MONOCYCLOPENTADIENYLKOMPLEXE

Verfahren zur Herstellung von Aldehyden und Alkoholen

Verfahren zur Herstellung von aromatischen Acetylenen mit Palladazyklen als Katalysatoren

VERFAHREN ZUR OXIDATION VON ACYCLISCHEN UND CYCLISCHEN MONOOLEFINEN UND DIOLEFINEN

KATALYSATORSYSTEME ZUR POLYMERISATION VON OLEFINEN AUF GRUNDLAGE VON METALLOCEN-KOMPLEXEN UND OLIGOALKYLALUMINATEN MIT STERISCH GEHINDERTEN ALKYLGRUPPEN ALS CO-KATALYSATOR

y-Oxo-Bis-Metallocen-Komplexvrbindungen und Katalysatoren, die dieselben für die Polymerisation von Olefinen verwenden, sowie Polymerisationsverfahren

Verfahren zur Herstellung von an der Doppelbindung mit Ethylen verlängerten Styrol-Derivaten mit in der gebildeten Verlängerungskette verbleibender Doppelbindung und neue mit Ethylen verlängerte Styrol-Derivate

Verfahren zur Herstellung fluorierter cyclischer aliphatischer Verbindungen

Die vorliegende Erfindung betrifft ein neuartiges Verfahren zur Herstellung fluorierter cyclischer aliphatischer Verbindungen aus den analogen aromatischen Verbindungen durch Hydrierung mit einem Rh-Katalysatorsystem.

PHOSPHONITLIGANDEN, KATALYSATORZUSAMMENSETZUNGEN UND DESSEN VERWENDUNG IN HYDROFORMYLIERUNGSPROZESS

BIMETALLISCHE KATALYSATOREN ZUR OLEFIN-POLYMERISATION

VERFAHREN ZUR UMWANDLUNG EINES GEMINAL SUBSTITUIERTEN CYCLOPENTADIENS

Katalysatorsysteme für die (Co)Polymerisation von Alpha-Olefinen

Verwendung von molekulargewichtsvergrößerten Katalysatoren in einem Verfahren zur asymmetrischen kontinuierlichen Hydrierung, neue molekulargewichtsvergrößerte Liganden und Katalysatoren

Die vorliegende Erfindung richtet sich auf eine Verwendung von molekulargewichtsvergrößerter homogen löslicher Katalysatoren Verfahren zur asymmetrischen kontinuierlichen Hydrierung von C=C-, C=N- oder C=O-Doppelbindungen mittels molekulargewichtsvergrößerter homogen löslicher Katalysatoren in einem Membranreaktor. DOLLAR A Bisherige im Stand der Technik vorgeschlagene Hydrierverfahren liefen diskontinuierlich ab. Die kontinuierliche Fahrweise hilft dagegen Prozeßkosten zu sparen. DOLLAR A Angegeben werden auch neue molekulargewichtsvergrößerte Liganden und Katalysatoren.

Chirale Diphosphin-Verbindung, Zwischenprodukte zu ihrer Herstellung, Übergangsmetall-Komplexe davon und asymmetrischer Hydrierungskatalysator

New monocyclopentadienyl complex having cyclopentadienyl system with optionally substituted or fused heteroaromatic ring system bound via specific bridge, used in catalyst for polymerization or copolymerization of olefins

A new monocyclopentadienyl complex comprises a cyclopentadienyl system with optionally substituted or fused heteroaromatic ring system bound via specific bridge. A monocyclopentadienyl complex comprises a cyclopentadienyl system with optionally substituted or fused heteroaromatic ring system bound via specific bridge. It is of formula (I) (Cp)(-Z-A)mM (I) Cp = cyclopentadienyl system; Z = bridge between A and Cp and includes groups of formulae (1-3); A = optionally substituted or fused, heteroaromatic ring system; M = metal consisting of titanium (Ti III), V, Cr, Mo or W; m = 1-3. L1B-L3B = C or Si; R1B-R6B = H, Q or SiR7B3; Q = 1-20C alkyl, 2-20C alkenyl, 6-20C aryl, or alkylaryl having 1-10C in the alkyl part and 6-20 C in the aryl part; and R7B = H or Q. The organic radicals R1B-R6B may also be substituted by halogens and two geminal or vicinal radicals R1B-R6B or a radical R1B-R6B, and A may also be joined to form a 5- or 6-membered ring. Two radicals R7B may also be joined to form ...

OLEFIN HYDROGENATION CATALYST

Metallacarboranes

The invention provides a polynuclear compound comprising two or more metal-hapto-3-capped nidocarborane groups. Also provided is the use of such a compound as a catalyst in a chemical reaction such as a hydrogenation or oxidation reaction.

Metal complexes comprising a fullerite

A process for the preparation of a fullerite, said process comprising the admixture of metal complex MLwL'x(wherein M is a non-group 1 metal, each L and L' is a ligand and w and x are selected from 0 to 8), a fullerene or derivative thereof, a first solvent in which the fullerene or derivative is substantially soluble and a second solvent in which the fullerene or derivative is substantially insoluble, to precipitate the fullerite. In another aspect, the use of the above process for the preparation of particles of ML'ywherein y is 0 to 9, preferably by dissolving fullerites prepared according to the above mentioned process. Additionally, fullerites and particles prepared by the above processes, to matrices incorporating said fullerites and/or- particles, and to their uses. The preferred metal is Palladium and the preferred ligand is triphenylphosphine.

A HYDROGENATION CATALYST DERIVED FROM COMPLEX COMPOUNDS OF PLATINUM GROUP METALS AND A METHOD OF PREPARING SAME

... 1,262,885. Organometallic compounds; Group VIII metal complexes. INSTITUTA KHIMICHESKOI FIZIKI AN SSSR. 15 Jan., 1969, No. 2410/69. Headings C2C and C2J. [Also in Division C5] A noble metal-containing organo-compound is prepared by a process which comprises forming a complex having a "semi-sandwich" structure by reacting, in the absence of aluminium halide, a salt of a metal selected from ruthenium, rhodium, palladium, osmium, iridium and platinum with a ligand selected from aromatic hydrocarbons, alkyl-substituted quinones, aromatic carboxylic acids, aromatic amino acids, peptides containing aromatic amino acids and compounds exhibiting benzenoid-quinonoid tautomerism, and thereafter reducing the complex, for example by ethanol in solution wherein the complex is formed or by the use of a reducing agent selected from hydrogen, sodium borohydride and dihydropyridine compounds. Exemplified ligands are 1,3,5-triphenylbenzene, duroquinone, phenylacetic acid, N-phenylanthranilic acid, phenylalanine ...

Dimerisation Process

... 1,178,920. Dimerisation catalysts. BRITISH PETROLEUM CO. Ltd. 27 Nov., 1968 [28 Dec., 1967], No. 58824/67. Heading B1E. [Also in Division C5] Olefin dimerisation catalysts comprise (a) a nickel complex of either di-isobutyryl methane or dibenzoyl methane, and (b) an aluminium alkyl, e.g. Al(C 2 H 5 ) 3 or Al(C 2 H 5 O) (C 2 H 5 ) 2 .

Catalytic olefin metathesis reaction method

A method for performing an olefin metathesis or cross-coupling reaction is characterised by the catalyst system comprising: [a] a source of a d-block metal, such as Group VIII metal, iron, cobalt, copper, ruthenium, rhodium, nickel, palladium or platinum [b] optionally a promoter, an activator and/or a base, and [c] a source of a 3-membered carbocyclic ligand. Also disclosed is catalysing olefin metathesis or cross-coupling reactions, comprising the catalyst system and a method of producing the catalyst system wherein [b] optionally a promoter, an activator and/or a base is a further reagent.

Novel metallocene-based phosphorus chiral phosphines

Alkylated dihydroxy-diphenyls

A process for producing alkylated dihydroxy-diphenyls of formula (R=C1-4 alkyl) comprises oxidising alkylphenols of formula with hydrogen peroxide in the presence of a pi -ferropseudoaromatic compound (e.g. Ferrolin) as catalyst at a pH of 1 to 7. The compounds are particularly useful as antioxidisers for petrol.

ISOMERIZATION OF 5-VINYL-BICYCLO-2,2,1-HEPT-2-ENES

... 1342049 5-Ethylidene-2-norbornenes MONTECATINI EDISON SPA 13 June 1972 [14 June 1971 (2)] 27679/72 Heading C5E [Also in Division B1] 5-Ethylidene-2-norbornenes are prepared by isomerizing 5-vinyl-2-norbornenes with a catalyst comprising (1) one or more titanium compounds of the formula Ti X 4-y (OR1) y where X is Cl, Br or I, R is C 1 -C 12 hydrocarbyl and y is 0 to 4, (2) an alkali metal, (3) an aluminium halide, and (4) a cyclopentadienyl thallium or sodium compound. The norbornene nucleus may contain a C 1 -C 4 alkyl substituent. The isomerization may be carried out at 25-300‹ C. in an inert aromatic or saturated aliphatic hydrocarbon diluent, e.g. mesitylene. Catalyst components used in the examples are (1) TiCl 4 , (2) Na, (3) AlCl 3 (4) cyclopentadienyl thallium or sodium cyclopentadiene.

Cyclopentadienyl compounds of vanadium and their production

The invention comprises cyclopentadienyl vanadium oxydihalides of formula (C5H5) VOX2 where X is halogen. They may be prepared by reacting cyclopentadienyl vanadium carbonyl compound such as cyclopentadienyl vanadium tetracarbonyl in the absence of water with a hydrogen halide or a compound which splits off hydrogen halide, and an oxidising agent. Suitable oxidising agents include chlorine, bromine and iodine, compounds which readily split off halogen such as lead tetrachloride, oxygen, gas mixtures containing oxygen or compounds which evolve oxygen. The reaction may be carried out in proton-inactive solvents such as benzene and its homologues, chlorinated hydrocarbons such as chloroform and carbon tetrachloride, ketones, aldehydes and ethers. The preparation of cyclopentadienyl vanadium oxydichloride and cyclopentadienyl vanadium oxydibromide is described.

PROCEDURE FOR THE PRODUCTION OF DERIVATIVES OF CHIRALER BETA AMINO ACIDS BY ASSEMBLY-METRIC HYDROGENATION

CATALYTIC ONE CARBONYLIERUNG OF THREE ONES AND VIERGLIEDRIGEN HETEROCYKLEN

PHOSPHIN PHOSPHORAMIDITVERBINDUNGEN

MONOCYCLOPENTADIENYLKOMPLEXE

TRANSITION METAL CATALYSTS FOR (CO) POLYMERIZATION OF OLEFINI MONOMERS

HALOGENALUMINOXANZUSAMMENSETZUNGEN, THEIR PRODUCTION AND THEIR USE WITH THE CATALYSIS

CATALYST COMPLEX AND PROCEDURE FOR THE PRODUCTION OF POLYOLEFINS WITH MULTIMODALEM MOLECULAR WEIGHT

RUTHENIUM COMPLEXES OF PHOSPHINAMINOPHOSPHINLIGANDEN

SELECTIVE, CATALYTIC AND THERMAL FUNCTIONALIZATION OF SECONDARY OR AROMATIC CH CONNECTIONS IN CYCLIC HYDROCARBONS

AMIDIERUNG OF PYRIDINEN.

METALLOCENE WITH ARYL-SUBSTITUTED INDENYLDERIVATEN AS LIGANDS, PROCEDURES FOR YOUR PRODUCTION AND YOUR USE AS CATALYSTS

CATALYSTS

MONOCYCLOPENTADIENYLKOMPLEXE

PROCEDURE FOR THE PRODUCTION FROM LIGHTER TO PROCESSING POLMEREN

Procedure for the electro-chemical production of CO-free metal-organic complexes of transition metals

PROCEDURE FOR THE ASYMMETRICAL HYDROGENATION OF KETOCARBONSÄUREESTERN

PROCEDURE FOR THE PRODUCTION OF METAL COMPLEXES, THE HYDROXYALKOXYCARBONYLCYCLOPENTADIEN LIGANDS CONTAINING

PROCEDURE FOR CYCLOTRIMERISIERUNG OF ALKINES IN AQUEOUS SOLUTIONS

CYCLOOLEFINKOMPLEXE OF PLATINUM, PROCEDURE FOR THEIR PRODUCTION AS WELL AS THEIR USE AS CATALYST.

CHIRALE FERROCENE

PROCEDURE FOR THE PRODUCTION OF ALDEHYDES

SELECTIVE ONES, CATALYTI AND THERMAL INDUCED FUNCTIONALIZATION PRIMARY CH CONNECTIONS IN HYDROCARBONS

GETRÄGERTES CATALYST SYSTEM, PROCEDURE FOR ITS PRODUCTION AND ITS USE FOR THE POLYMERIZATION OF OLEFINEN

PROCEDURE FOR THE PRODUCTION OF A VERB-MOVED BISCYCLOPENTADIENVERBINDUNG

SULFONIERTE PHENYLPHOSPHANE ABSTENTION COMPLEX CONNECTIONS

SULFONIERTE PHENYLPHOSPHANE ABSTENTION COMPLEX CONNECTIONS

CATALYST AND PROCEDURE FOR THE HYDROGENATION OF OLEFINISCH INSATIATED CONNECTIONS

NEW ASYMMETRICAL PHOSPHIN LIGAND

PROCEDURES FOR THE PRODUCTION OF GROUP 14 VERB-MOVED BISCYCLOPENTADIENYL LIGANDS

HYDROCARBYLPHOSPHINIMIN/CYCLOPENTADIENYL COMPLETE E OF METALS OF THE GROUP 4 AND THEIR USE TO OLEFINPOLYMERISATION

TO MANUFACTURE LIGAND AND CATALYSTS AROUND ELASTOMERI PROPYLENE POLYMERS

CATALYST SYSTEMS AND PROCEDURES FOR THE PRODUCTION OF POLYOLEFINS WITH BROAD MOLECULAR WEIGHT DISTRIBUTION

Process for preparing optically active 1-(p-methoxybenzyl)-1,2,3,4,5,6,7,8-octahydroisoquinoline

A CATALYST SYSTEM CONTAINING AN AUTOACCELERATION INHIBITOR

Synthesis of n-silylated cyclopentaphenanthrene compounds

TRANSITION METAL CATALYSTS FOR (CO)POLYMERIZING OLEFINIC MONOMERS

Process for the preparation of chiral beta amino acid derivatives by asymmetric hydrogenation

Hydrogen scavengers

LIGANDS FOR USE IN CATALYTIC PROCESSES

Monocyclopentadienyl complexes

Novel metal complex, method for producing same, and method for producing gamma-lactam compound using same

The present invention relates to a novel metal complex, a method for producing same, and a method for producing a gamma-lactam compound using same, and the metal complex according to the present invention is used as a catalyst for producing a gamma-lactam compound and can efficiently produce a gamma-lactam compound with an excellent yield and excellent selectivity.

Use of compounds in polymerisation reactions

A use of ansa-metallocene complexes for the polymerisation of cyclic esters and cyclic amides is disclosed. The ansa-metallocene complexes are particularly active as initiators/catalysts in the polymerisation of lactides, with the resulting polymeric material demonstrating low polydispersity.

Production of half-sandwich substituted catalyst precursors

Organometal compound catalyst

Fluorenyl-containing metallocenes for use in olefin polymerization

Chiral diphosphines and their metal complexes

Solution polymerization process and procatalyst carrier systems useful therein

A procatalyst carrier system which includes one or more paraffinic solvents, one or more paraffin-insoluble procatalysts, and optionally one or more cocatalysts wherein the carrier system is in the form of a slurry is provided. Also provided is a process including selecting one or more paraffin-insoluble organometallic procatalysts; adding the one or more procatalysts to a sufficient quantity of paraffinic solvent to form a slurry of the one or more procatalysts in the paraffinic solvent; introducing one or more first cocatalysts into a polymerization reactor; and introducing the slurry into the polymerization reactor; a reaction product of the process and articles made from the reaction product.

Catalysts

The present invention relates to novel metallocene catalysts of formula I, which is defined herein. The present invention also provides processes for making these catalysts and their use in olefin polymerisation reactions.

Method for producing substituted fluorine-containing olefin

This invention relates to a method of reacting fluoroolefin with an organic magnesium compound in the presence of a catalyst comprising nickel or palladium so as to efficiently produce fluoroolefin, such as TFE, in which a fluorine (F) atom or atoms bonded to the sp 2 hybridized carbon atom are substituted with an organic group.

Polymerization Process for Producing Bimodal Polymers

Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. An improved method for preparing cyclopentadienyl complexes used to produce polyolefins is also provided.

Synthesis of Alkyl Cyclopentadiene Compounds

A method of synthesizing an alkyl cyclopentadiene compound is disclosed. The method includes contacting at least one cyclopentadienyl anion source and at least one alkyl group source to form at least one alkyl cyclopentadiene compound. The method further includes extracting the alkyl cyclopentadiene compound with a hydrocarbon solvent. The alkyl cyclopentadiene compound may be converted to a metallocene catalyst compound. 1. A method of synthesizing at least one alkyl cyclopentadiene compound comprising:contacting at least one cyclopentadienyl anion source and at least one alkyl group source to form at least one alkyl cyclopentadiene compound; andextracting the alkyl cyclopentadiene compound with a hydrocarbon solvent.2. The method of wherein the cyclopentadienyl anion source comprises at least one reagent selected from group consisting of a cyclopentadienyl Grignard reagent claim 1 , sodium cyclopentadienyl claim 1 , lithium cyclopentadienyl claim 1 , potassium cyclopentadienyl claim 1 , and any combination thereof.3. The method of or wherein the cyclopentadienyl anion source comprises a cyclopentadienyl Grignard reagent.4. The method of any preceding claim wherein the alkyl group source comprises at least one reagent selected from the group consisting of an alkyl halide and an alkyl sulfonate.5. The method of any preceding claim wherein a mole ratio of the alkyl group source to the cyclopentadienyl anion source is less than 1:1.6. The method of any preceding claim wherein a mole ratio of the alkyl group source to the cyclopentadienyl anion source is in the range of from 0.5:1 to 1:1.7. The method of any preceding claim wherein the alkyl cyclopentadiene compound comprises a Cto Calkyl group.8. The method of any preceding claim wherein the alkyl cyclopentadiene compound comprises an alkyl group substituted with one or more heteroatoms or one or more heteroatom-containing groups.9. The method of any preceding claim wherein the alkyl cyclopentadiene compound comprises ...

ZERO VALENT METAL COMPOSITE, MANUFACTURING, SYSTEM AND METHOD USING THEREOF, FOR CATALYTICALLY TREATING CONTAMINATED WATER

Zero valent metal composite, manufacturing thereof, using thereof, and system including thereof, for (in-situ or ex-situ) catalytically treating contaminated water, such as sub-surface water, surface water, above-surface water, water vapor, or/and gaseous water. Composite includes powdered diatomite matrix incorporated with nanometer (1-1000 nm) sized particles of a zero valent (transition) metal (iron, cobalt, nickel, copper, zinc, palladium, platinum, or/and gold) and at least one electron transfer mediator (catalyst) from porphyrinogenic organometallic complexes (e.g., metalloporphyrins (chlorophylls, hemes, cytochromes) or metallocorrins (e.g., vitamin B), and optionally, includes vermiculite. System includes composite and in-situ or/and ex-situ unit containing the composite, enabling exposure of contaminated water thereto. Applicable to in-situ sub-surface permeable reactive barriers (PRBs). Treatable water contaminants are organics (halogenated organic compounds), or/and inorganics (metal elements, metal element containing inorganic species, nonmetal elements, and nonmetal element containing inorganic species). Applicable to non-aqueous fluids (liquids, vapors, gases), for removing contaminants therefrom. 1. A system for catalytically treating contaminated water , comprising:(a) a zero valent metal composite comprised of a powdered diatomite matrix on or/and in which is incorporated zero valent metal particles having a size in a range of between about 1 nm and about 1000 nm and at least one electron transfer mediator; and(b) at least one unit for containing a catalytically effective amount of said zero valent metal composite, for exposing the contaminated water to said zero valent metal composite.2. The system of claim 1 , wherein said powdered diatomite matrix has a particle size in a range of between about 1 micron and about 150 microns.3. The system of claim 1 , wherein said metal in said zero valent metal particles comprises at least one transition metal.4 ...

CARBON SUPPORTED TETRAAMIDO MACROCYCLIC LIGAND CATALYTIC ACTIVATORS AND METHODS FOR MAKING THE SAME

Embodiments of the invention provide a tetraamido macrocyclic ligand catalytic activator bound to a carbon containing support. When combined with an oxidant, such as a peroxy compound, the carbon supported catalytic activator is a long-lived, robust oxidizing agent useful for oxidizing oxidizable compounds, such as aromatic groups, conjugated pi systems, natural and synthetic hormones, pesticides, pathogens, and dyes. 2. The oxidant activator recited in wherein the carbon-containing support is selected from the group consisting of activated carbon claim 1 , amorphous carbon claim 1 , graphite claim 1 , charcoal claim 1 , and carbon-rich compositions.3. The oxidant activator recited in wherein the counterion is selected from the group consisting of tetraarylphosphonium claim 1 , bis-(triphenylphosphorananylidene)-ammonium claim 1 , and tetraalkylammonium cations.4. The oxidant activator recited in wherein the counterion is selected from the group consisting of tetraphenylphosphonium and tetraethyl ammonium claim 3 , tetrapropyl ammonium claim 3 , tetrabutylammonium.6. The oxidant activator recited in wherein M is iron.7. The oxidant activator recited in wherein the carbon-containing support is selected from the group consisting of activated carbon claim 5 , amorphous carbon claim 5 , graphite claim 5 , charcoal claim 5 , and carbon-rich compositions.9. The oxidant activator recited in wherein the axial ligand is selected from the group consisting of aqua ligands and Cl.10. The oxidant activator recited in wherein M is iron (III).11. A method for making a supported catalytic activator comprising:adsorbing a tetraamido macrocyclic metal ligand having a counterion onto a carbon-containing support.12. The method recited in wherein the carbon-containing support is selected from the group consisting of activated carbon claim 11 , amorphous carbon claim 11 , graphite claim 11 , charcoal claim 11 , and carbon-rich compositions.13. The method recited in wherein the step of ...

Metal Complex Compound and Process for Producing Amides Utilizing the Metal Complex Compound

A catalyst contains a metal complex compound represented by the following general formula (I). In the formula (I), M is a metal ion such as ruthenium, Lis a cyclic or acyclic, neutral or minus 1-valent unsaturated hydrocarbon group of 1 to 30 carbon atoms which may have a substituent, Land Lare each independently chlorine or the like, and Lis a compound bonded to M through phosphorus or arsenic and represented by the following general formula (IIa) or (IIb). In the formulas (IIa) and (IIb), E is phosphorus or arsenic, Yis oxygen or sulfur, Y, Yand Yare each independently a hydrogen atom, an aryl group or the like, and H is a hydrogen atom. 3. The hydration catalyst as claimed in claim 1 , wherein Lis cyclic diene claim 1 , triene or tetraene of 1 to 30 carbon atoms which may have a substituent and is a neutral or minus 1-valent unsaturated hydrocarbon group.4. The hydration catalyst as claimed in claim 1 , wherein Lis acyclic diene claim 1 , triene or tetraene of 1 to 30 carbon atoms which may have a substituent and is a neutral or minus 1-valent unsaturated hydrocarbon group.5. The hydration catalyst as claimed in claim 1 , wherein the compound represented by the general formula (IIa) or (IIb) is any one of secondary phosphine oxide claim 1 , an aliphatic phosphoric acid ester claim 1 , an aliphatic phosphorous acid ester claim 1 , an aromatic phosphoric acid ester and an aromatic phosphorous acid ester of 1 to 30 carbon atoms which may have a substituent.6. The hydration catalyst as claimed in claim 1 , wherein the compound represented by the general formula (IIa) or (IIb) is any one of diarylphosphine oxide which may have a substituent claim 1 , dialkylphosphine oxide which may have a substituent claim 1 , secondary phosphine oxide having a phenyl group which may have a substituent and having an alkyl group which may have a substituent claim 1 , a phosphorous acid dialkyl ester of 1 to 30 carbon atoms claim 1 , a phosphorous acid diphenyl ester which may have a ...

CATALYSTS FOR THE ALKYNE METATHESIS

Organometallic compounds of the general formula (I), in which M=Mo, W, are claimed. 2. Metal-organic compound according to , characterized in that the residues Rand Rare linked together while forming a 5-8 membered saturated , unsaturated or aromatic ring , and thus form a bridge , which selected from CRR , CR═CR , CRR—CRR , CRR—CRR—CRR , CRR═CR—CRR , CRR—CRR—CRR—CRCR , CR═CR—CRR—CRCRor CRR—CR═CR—CRCRin which R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , R , Rand Rare independently selected from one other and may have the same meaning as Ras defined in .4. Metal-organic compounds according to claim 2 , characterized in that the phenanthroline ligand in Formula 11 is selected from: 1 claim 2 ,10-phenanthroline claim 2 , 4-methyl-1 claim 2 ,20-phenanthroline claim 2 , 5-methyl-1 claim 2 ,10-phenanthroline claim 2 , 2 claim 2 ,9-dimethyl[1 claim 2 ,10]-phenanthroline claim 2 , 5 claim 2 ,6-dimethyl-1 claim 2 ,10-phenanthroline claim 2 , 5-chloro[1 claim 2 ,10]phenanthroline claim 2 , 4 claim 2 ,7-dichloro-1 claim 2 ,10-phenanthroline claim 2 , 4 claim 2 ,7-dichloro-1 claim 2 ,10-phenanthroline claim 2 , 3 claim 2 ,4 claim 2 ,7 claim 2 ,8-tetramethyl-1 claim 2 ,10-phenanthroline claim 2 , 4 claim 2 ,7-diphenyl[1 claim 2 ,10]phenanthroline claim 2 , 2 claim 2 ,9-dimethyl-4 claim 2 ,7-diphenyl[1 claim 2 ,10]phenanthroline claim 2 , 5-nitro-1 claim 2 ,10-phenanthroline claim 2 , or 4 claim 2 ,7-dimethoxy-1 claim 2 ,10-phenanthroline.6. Metal-organic compounds according to claim 1 , characterized in that the bipyridyl ligand is selected from: 2 claim 1 ,2′-bipyridine claim 1 , 5 claim 1 ,5′-dimethyl-2 claim 1 ,2′-dipyridyl claim 1 , 4 claim 1 ,4′-dimethyl-2 claim 1 ,2′-dipyridyl claim 1 , 6 claim 1 ,6′-dimethyl-2 claim 1 ,2′-dipyridyl claim 1 , 4 claim 1 ,4′-dimethoxy-2 claim 1 ,2′-bipyridine claim 1 , 2 claim 1 ,2′-biquinoline claim 1 , 4 claim 1 ,4′-di-tert-butyl-2 claim ...

PROCESS FOR THE SYNTHESIS OF IVABRADINE AND ADDITION SALTS THEREOF WITH A PHARMACEUTICALLY ACCEPTABLE ACID

Process for the synthesis of ivabradine of formula (I): 9. The process according to claim 1 , wherein the amount of catalyst used in the reductive amination reaction is from 1 mol % to 10 mol % relative to the aldehyde.10. The process according to claim 1 , wherein the amount of trimethylamine N-oxide used in the reductive amination reaction is from 0 to 3 equivalents relative to the catalyst.11. The process according to claim 10 , wherein the amount of trimethylamine N-oxide used in the reductive amination reaction is from 0.5 to 1.5 equivalents relative to the catalyst.12. The process according to claim 1 , wherein the dihydrogen pressure in the reductive amination reaction is from 1 to 10 bars.13. The process according to claim 1 , wherein the solvent in the reductive amination reaction is an alcohol.14. The process according to claim 13 , wherein the solvent in the reductive amination reaction is ethanol.15. The process according to claim 1 , wherein the temperature of the reductive amination reaction is from 50 to 100° C. The present invention relates to a process for the synthesis of ivabradine of formula (I):or 3-{3-[{[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl}(methyl)amino]-propyl}-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one, addition salts thereof with a pharmaceutically acceptable acid, and hydrates thereof.Ivabradine, and its addition salts with a pharmaceutically acceptable acid, and more especially its hydrochloride, have very valuable pharmacological and therapeutic properties, especially bradycardic properties, making those compounds useful in the treatment or prevention of various clinical situations of myocardial ischaemia such as angina pectoris, myocardial infarct and associated rhythm disturbances, and also in various pathologies involving rhythm disturbances, especially supraventricular rhythm disturbances, and in heart failure.The preparation and therapeutic use of ivabradine and its addition salts with a ...

COMPLEXES

A complex of formula (1), 2. A complex according to claim 1 , wherein M is palladium.3. A complex according to claim 1 , wherein Rand Rare independently selected from the group consisting of substituted and unsubstituted straight-chain alkyl claim 1 , substituted and unsubstituted branched-chain alkyl claim 1 , substituted and unsubstituted cycloalkyl claim 1 , substituted and unsubstituted aryl claim 1 , and substituted and unsubstituted heteroaryl wherein the heteroatoms are selected from the group consisting of sulfur claim 1 , nitrogen and oxygen.4. A complex according to claim 1 , wherein Ris phenyl or dimethylaminophenyl.6. A complex according to claim 5 , wherein Ris a substituted or unsubstituted alkyl claim 5 , substituted or unsubstituted aryl claim 5 , substituted or unsubstituted (alkyl)HN— claim 5 , substituted or unsubstituted (dialkyl)N— claim 5 , substituted or unsubstituted (dialkyl)amino-alkyl or substituted or unsubstituted alkoxyalkyl.7. A complex according to claim 5 , wherein Ris a substituted or unsubstituted alkyl or substituted or unsubstituted aryl.9. A complex according to claim 5 , wherein Ris selected from the group consisting of phenyl claim 5 , napthyl claim 5 , methoxyphenyl claim 5 , halophenyl claim 5 , methylphenyl and FC-phenyl claim 5 , and q is 4 or 5.10. A complex according to claim 5 , wherein Ris selected from the group consisting of phenyl claim 5 , methoxyphenyl claim 5 , methylphenyl and FC-phenyl claim 5 , and q is 4 or 5.12. A complex according to claim 1 , wherein Ris selected from the group consisting of substituted and unsubstituted straight-chain alkyl claim 1 , substituted and unsubstituted branched-chain alkyl claim 1 , substituted and unsubstituted cycloalkyl claim 1 , substituted and unsubstituted aryl claim 1 , and substituted and unsubstituted heteroaryl wherein the heteroatoms are selected from the group consisting of sulfur claim 1 , nitrogen and oxygen.13. A complex according to claim 1 , wherein X is a halo ...

CATALYST PREPARATION REACTORS FROM CATALYST PRECURSOR USED FOR FEEDING REACTORS TO UPGRADE HEAVY HYDROCARBONACEOUS FEEDSTOCKS

A process for upgrading heavy hydrocarbonaceous feedstocks in at least one hydroconversion reactor for hydroconversion of the heavy hydrocarbonaceous feedstocks and in at least one hydrotreatment reactor for hydrotreatment of the heavy hydrocarbonaceous feedstocks, comprising the preparation of two or more catalysts, each catalyst being prepared from one or more catalyst precursor in at least one specific preparation reactor, the catalyst precursor containing at least one transition metal selected from group IIA, IIIB, IVB, VB, VIB, VIIB, VIII, IB or IIB of the periodic table of elements, and each preparation reactor feeding one or more hydroconversion or hydrotreatment reactor, each catalyst contained in preparation reactors being dedicated to hydroconversion or hydrotreatment of the feedstocks. 1. Process for upgrading a heavy hydrocarbonaceous feedstock in at least one hydroconversion reactor for hydroconversion of said heavy hydrocarbonaceous feedstocks and in at least one hydrotreatment reactor for hydrotreatment of said heavy hydrocarbonaceous feedstocks , said process comprising the preparation of two or more catalysts , each catalyst being prepared from one or more catalyst precursor in at least one specific preparation reactor , said catalyst precursor containing at least one transition metal selected from group IIA , IIIB , IVB , VB , VIB , VIIB , VIII , IB or IIB of the periodic table of elements , and each preparation reactor feeding one or more hydroconversion or hydrotreatment reactor , each catalyst contained in a preparation reactor being dedicated to hydroconversion or hydrotreatment of said feedstock.2. Process according to claim 1 , wherein each preparation reactor is fed with a part of the feedstock to upgrade.3. Process according to claim 1 , wherein each preparation reactor is fed with a sulfiding agent.4. Process according to any of claim 1 , wherein each preparation reactor is fed with hydrogen.5. Process according to any of claim 1 , wherein ...

CRYSTALLINE 1H-1,2,3-TRIAZOL-5-YLIDENES

The present invention provides novel and stable crystalline 1H-1,2,3 triazolium carbenes and metal complexes of 1H-1,2,3 triazolium carbenes. The present invention also provides methods of making 1H-1,2,3 triazolium carbenes and metal complexes of 1H-1,2,3 triazolium carbenes. The present invention also provides methods of using 1H-1,2,3 triazolium carbenes and metal complexes of 1H-1,2,3 triazolium carbenes in catalytic reactions. 84. The compound of any one of - claims 2 , wherein Rand Rare claims 2 , in each instance claims 2 , independently selected from the group consisting of hydrogen claims 2 , methyl claims 2 , ethyl claims 2 , propyl claims 2 , isopropyl claims 2 , butyl claims 2 , isobutyl claims 2 , halogen claims 2 , and hydroxyl.9. The compound of claim 8 , wherein Rand Rare both isopropyl and subscripts m and n are both 2.10. The compound of claim 8 , wherein Ris isopropyl and subscript m is 2.11. The compound of claim 8 , wherein Ris isopropyl and subscript n is 2.12. The compound of claim 8 , wherein Rand Rare both methyl and subscripts m and n are both 3.13. The compound of claim 8 , wherein Ris methyl and subscript m is 3.14. The compound of claim 8 , wherein Ris methyl and subscript n is 3.15. The compound of claim 8 , wherein m and n are both 0.16. The compound of claim 8 , wherein m is 0.17. The compound of claim 8 , wherein n is 0.18. The compound of claim 5 , wherein Rand Rare both isopropyl and subscripts m and p are both 2.19. The compound of claim 5 , wherein Ris isopropyl and subscript m is 2.20. The compound of claim 5 , wherein Ris isopropyl and subscript p is 2.21. The compound of claim 5 , wherein Rand Rare both methyl and subscripts m and p are both 3.22. The compound of claim 5 , wherein Ris methyl and subscript m is 3.23. The compound of claim 5 , wherein Ris methyl and subscript p is 3.24. The compound of claim 5 , wherein m and p are both 0.25. The compound of claim 5 , wherein m is 0.26. The compound of claim 5 , wherein p is 0. ...

Organometallic Molybdenum Acetylide Dioxo Complex And Process For The Preparation Thereof

An organometallic molybdenum acetylide dioxo complex of formula (η-CH)MoO(—Cs≡CPh) and provides a simple, short, efficient process for the synthesis of organometallic molybdenum dioxo complex which is used as catalyst for a number of oxidation reactions. 1. Organometallic molybdenum acetylide dioxo complex of formula (η-CH)MoO(—C≡CPh).2. Organometallic molybdenum acetylide dioxo complex as claimed in is useful as catalyst for the oxidation of olefins claim 1 , alcohols claim 1 , anilines claim 1 , sulfides and alkanes.3. Organometallic molybdenum acetylide dioxo complex as claimed in claim 1 , wherein said complex is recyclable.4. Organometallic molybdenum acetylide dioxo complex as claimed in claim 1 , wherein catalytically active species (η-CH) MoO(O)(—C≡CPh) of the said organometallic molybdenum dioxo complex (η-CH) MoO(—C≡CPh) formed after reacting with hydrogen peroxide is water soluble.5. A process for preparation of organometallic molybdenum acetylide dioxo complex of formula (η-CH)MoO(—C≡CPh) as claimed in and the said process comprising the steps of:{'sub': 2', '2', '2, 'i. treating molybdenum trioxide with aqueous halo acids HX wherein X═F, Cl, Br or I in the molar ratio of the trioxide to HX ranging between 1:6 to 1:15 at temperature in the range of 40° C. to 90° C. for period in the range of 2 to 5 hr to obtain aqua complex of dihalo dioxo molybdenum of formula MoOX.2HO wherein X═F, Cl, Br or I;'}{'sub': 2', '2', '2', '2, 'ii. adding dimethylsulphoxide or N,N-dimethylformamide to dihalo dioxo molybdenum as obtained in step (i) in the molar ratio ranging between 1:2 to 1:20 to form greenish adduct of formula MoOX.2DMSO or MoOX.2DMF wherein X═F, Cl, Br or I;'}{'sub': '2', 'iii. treating greenish adduct as obtained in step (ii) with sodium cyclopentadiene in molar ration of 1:1 to 1:20 followed by stirring at the rate of 100 to 1000 rpm to form cyclopentadiene dioxomolybdenum halo complex of formula CpMoOX wherein X═F, Cl, Br or I;'}{'sup': '5', 'sub': 5', ...

EFFICIENT, CATALYTIC AND SCALABLE METHOD TO PRODUCE CHLORINE DIOXIDE

Methods, kits, cartridges and compounds related to generating chlorine dioxide by exposing ClO to at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst are described. 1. A method of generating chlorine dioxide comprising exposing ClO to at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst.3. The method of claim 2 , wherein R claim 2 , R claim 2 , Rand Rare TDMBImp.4. The method of claim 2 , wherein R claim 2 , R claim 2 , Rand Rare TM2PyP or R claim 2 , R claim 2 , Rand Rare TM4PyP.6. The method of claim 1 , wherein the ClO is provided from at least one substance selected from the group consisting of chlorite salts.7. The method of claim 1 , wherein the ClO is provided from at least one substance selected from the group consisting of sodium chlorite claim 1 , potassium chlorite claim 1 , calcium chlorite and magnesium chlorite.8. The method of claim 1 , wherein the ClO is mixed with a solid filler.9. The method of claim 1 , wherein the ClO is adsorbed on at least one substance selected from the group consisting of clay claim 1 , silica claim 1 , alumina and organic polymers.10. The method of claim 1 , wherein at least one of the manganese porphyrin catalyst or a manganese porphyrazine catalyst is adsorbed on a solid support.11. The method of claim 10 , wherein the solid support includes a substance selected from the group consisting of clay claim 10 , silica claim 10 , alumina claim 10 , glass beads claim 10 , functionalized polystyrene or organic polymers.12. A kit for generating chlorine dioxide comprising at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst and instructions to combine the at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst with ClO.14. The kit of claim 13 , wherein R claim 13 , R claim 13 , Rand Rare TDMBImp.15. The kit of claim 13 , wherein R claim 13 , R claim 13 , Rand Rare TM2PyP or R claim 13 , R claim 13 , Rand Rare ...

PROCESS FOR THE PRODUCTION OF HYDROGEN

The present invention relates to a process for the production of hydrogen comprising contacting at least one complex of formula (I), wherein: Xis an anion; Y is N or CR; M is selected from Ru, Os and Fe; each of A and B is independently a saturated, unsaturated or partially unsaturated carbocyclic ring; R, Rand Rare each independently selected from H, NR24R25, C-alkyl and C-haloalkyl, or two or more of R, Rand Rare linked, together with the carbons to which they are attached, to form a saturated or unsaturated carbocyclic group; R-Rare each independently selected from H, C-alkyl, C-haloalkyl and a linker group optionally attached to a solid support; with at least one substrate of formula (II), RR—NH—BH—RR(II), wherein R, R, Rand Rare each independently selected from H, C-alkyl, fluoro-substituted-C-alkyl and C-aryl, or any two of R, R, Rand Rare linked to form a C-alkylene group, which together with the nitrogen and/or boron atoms to which they are attached, forms a cyclic group. Further aspects of the invention relate to a hydrogen generation system comprising a complex of formula (I), a substrate of formula (II) and a solvent, and to the use of complexes of formula (I) in fuel cells. Another aspect of the invention relates to novel complexes of formula (I). 2. A process according to wherein Rand Rare both H claim 1 , one of Rand Ris H and the other is selected from H claim 1 , CF claim 1 , methyl claim 1 , ethyl claim 1 , isopropyl claim 1 , n-propyl claim 1 , isobutyl claim 1 , n-butyl claim 1 , tert-butyl claim 1 , sec-butyl claim 1 , phenyl and benzyl.3. A process according to wherein Rand Rare both H claim 1 , and Rand Rare each independently selected from H claim 1 , CF claim 1 , methyl claim 1 , ethyl claim 1 , isopropyl claim 1 , n-propyl claim 1 , isobutyl claim 1 , n-butyl claim 1 , tert-butyl claim 1 , sec-butyl claim 1 , phenyl and benzyl claim 1 , or Rand Rare linked to form a C-alkylene group claim 1 , which together with the nitrogen atom to which ...

Modified catalyst supports

The invention covers a supported catalyst system prepared according to a process comprising the following step: i). impregnating a silica-containing catalyst support having a specific surface area of from 150 m 2 /g to 800 m 2 /g, preferably 280 m 2 /g to 600 m 2 /g, with one or more titanium compounds of the general formula selected from R n Ti(OR′) m and (RO) n Ti(OR′) m , wherein R and R′ are the same or different and are selected from hydrocarbyl groups containing from 1 to 12 carbon and halogens, and wherein n is 0 to 4, m is 0 to 4 and m+n equals 4, to form a titanated silica-containing catalyst support having a Ti content of at least 0.1 wt % based on the weight of the Ti-impregnated catalyst support wherein the supported catalyst system further comprises an alumoxane and a metallocene.

Novel Metathesis Catalysts

There is disclosed compounds of formula 1, their preparation, intermediates for the preparation and the use of the compounds of the formula 1 115-. (canceled)17. The compound of the general formula 1 as claimed in claim 16 , wherein a claim 16 , b claim 16 , c claim 16 , d are each claim 16 , independently of one another claim 16 ,{'sub': 6', '5', '6', '4', '6', '3', '2, 'monohalogenated or polyhalogenated aryl radicals selected from the group consisting of —CF, —CHF and —CHF;'}{'sub': 1-6', '3', '2', '5, 'monohalogenated or polyhalogenated C-alkyl radicals selected from the group consisting of —CFand —CF; or'}{'sub': 1-6', '6', '4', '3', '6', '4', '4', '7, 'monohalogenated or polyhalogenated C-alkyl-substituted aryl radicals selected from the group consisting of —CH—CFand —CH—CF.'}18. The compound of the general formula 1 as claimed in claim 16 , wherein a claim 16 , b claim 16 , c claim 16 , d are each claim 16 , independently of one another claim 16 , —(C═O)—N(R)radicals claim 16 , —NH—(C═O)—Rradicals claim 16 , —P(═O)(R)radicals claim 16 , —SO—NH—SO—Rradicals or —N[(SO)R]radicals claim 16 , wherein Ris a halogenated C-alkyl or aryl radical.19. The compound of the general formula 1 as claimed in claim 16 , wherein a claim 16 , b claim 16 , c claim 16 , d are each claim 16 , independently of one another claim 16 , C-alkylsulfonyl radicals or C-alkylsulfinyl radicals selected from the group of CH—SO— and CH—S(O)—.20. The compound of the general formula 1 as claimed in claim 16 , whereinX and X′ are each Cl;{'sup': '1', 'L is L;'}{'sup': '1', 'Ris methyl or ethyl,'}{'sup': '2', 'Ris H;'}{'sup': '3', 'Ris H;'}{'sup': 5', '6, 'Rand Rare each mesityl or isopropyl; and'}{'sup': 7', '8, 'Rand Rare each H.'}21. A process for carrying out a metathesis reaction claim 16 , which comprises catalyzing the metathesis reaction with a compound according to .22. A process for carrying out a ring-closing metathesis (RCM) reaction or a cross metathesis (CM) reaction which comprises ...

CATALYTIC COMPOSITION AND PROCESS FOR OLIGOMERIZATION OF OLEFINS USING SAID CATALYTIC COMPOSITION

The invention relates to a catalytic composition that comprises at least one precursor of iron or cobalt, at least one organic ligand, and an activating agent that consists of at least one derivative of aluminum and at least one organic compound having at least one alcohol group and/or at least one amine group, and in which the molar ratio between the aluminum and the alcohol and/or amine group number present in said organic compound of said activating agent is preferably greater than or equal to 1. The invention also relates to a process for oligomerization of olefins using said catalytic composition.

Metathesis Catalysts Containing Onium Groups

Disclosed herein is a general method for the preparation of complexes containing a quaternary onium group in an inert ligand. Some of these complexes may be represented by formula 1: Methods for the preparation of complexes of formula 1, the preparation of intermediates and the use of complexes of formula 1 in metathesis reactions and a method for conducting an olefin metathesis reaction are also described.

Process for producing unsaturated hydrocarbon compound

Disclosed is a method for producing an unsaturated hydrocarbon compound wherein an α-olefin is dimerized by using a catalyst system composed of a metallocene compound (A) and an oxygen-containing organometallic compound modified with a halogen-containing compound (B). By this method, an unsaturated hydrocarbon compound having unsaturated double bonds in a high ratio, in particular the one having a terminal vinylidene group can be produced efficiently.

Preparation of a solid catalyst system

Process for the preparation of a solid catalyst system comprising the steps of generating an emulsion by dispersing a liquid clathrate in a solution wherein (i) the solution constitutes the continuous phase of the emulsion and (ii) the liquid clathrate constitutes in form of droplets the dispersed phase of the emulsion, solidifying said dispersed phase to convert said droplets to solid particles and optionally recovering said particles to obtain said catalyst system, wherein the liquid clathrate comprises a lattice being the reaction product of aluminoxane, an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, and a further compound being effective to form with the aluminoxane and the organometallic compound the lattice, and a guest being an hydrocarbon compound, and the solution comprises a silicon fluid and a hydrocarbon solvent.

EMM19star NOVEL ZEOLITIC IMIDAZOLATE FRAMEWORK MATERIAL, METHODS FOR MAKING SAME, AND USES THEREOF

A method is provided for forming a zeolitic imidazolate framework composition using at least one reactant that is relatively insoluble in the reaction medium. Also provided herein is a material made according to the method, designated either as EMM-19 or as EMM-19*, and a method of using same to adsorb and/or separate gases, such as carbon dioxide. 1. A zeolitic imidazolate framework composition with the SOD framework type , wherein the zeolitic imidazolate framework structure is capable of sorbing , at a temperature of ˜28° C.: (i) at least 0.60 mmol of COper gram of zeolitic imidazole framework composition at a COpartial pressure of ˜75 Torr; (ii) at least 0.75 mmol of COper gram of zeolitic imidazole framework composition at a COpartial pressure of ˜100 Torr; (iii) at least 1.15 mmol of COper gram of zeolitic imidazole framework composition at a COpartial pressure of ˜200 Torr; and/or (iv) at least 0.35 mmol of COper gram of zeolitic imidazole framework composition at a COpartial pressure of ˜39 Torr.2. A zeolitic imidazolate framework composition having the empirical formula , Zn(5-azabenzimidazolate) , wherein the zeolitic imidazolate framework structure is capable of sorbing , at a temperature of ˜28° C.: (i) at least 0.60 mmol of COper gram of zeolitic imidazole framework composition at a COpartial pressure of ˜75 Torr; (ii) at least 0.75 mmol of COper gram of zeolitic imidazole framework composition at a COpartial pressure of ˜100 Torr: (iii) at least 1.15 mmol of COper gram of zeolitic imidazole framework composition at a COpartial pressure of ˜200 Torr; and/or (iv) at least 0.35 mmol of COper gram of zeolitic imidazole framework composition at a COpartial pressure of ˜39 Torr.3. A porous crystalline material having the empirical formula Zn(5-aza-benzimidazolate) , exhibiting an SOD framework type , and exhibiting an x-ray diffraction pattern with peaks defined by the d-spacing ranges and relative intensity ranges described in Table 1b.4. A porous ...

Highly Active Multidentate Catalysts for Efficient Alkyne Metathesis

The invention relates to highly active and selective catalysts for alkyne metathesis. In one aspect, the invention includes a multidentate organic ligand wherein one substrate-binding site of the metal center is blocked. In another aspect, the invention includes N-quaternized or silane-based multidentate organic ligands, capable of binding to metals. In yet another aspect, the invention includes N-quaternized or silane-based multidentate catalysts. The catalysts of the invention show high robustness, strong resistance to small alkyne polymerization and significantly enhanced catalytic activity compared to their corresponding non-quaternized or non-silane-based multidentate catalyst analogues. 2. The compound of claim 1 , wherein Ris N and each G is independently substituted with at least one electron-withdrawing substituent.3. The compound of claim 1 , where Ris selected from the group consisting of N claim 1 ,NH(A) claim 1 , NR(A) claim 1 , B claim 1 , P claim 1 , CH claim 1 , CR claim 1 , SiR and a 1 claim 1 ,3 claim 1 ,5-trivalent phenyl moiety claim 1 , wherein R is optionally substituted alkyl or aryl claim 1 , and A is an anion.8. The compound of claim 7 , wherein M is a transition metal.9. The compound of claim 8 , wherein M is selected from the group consisting of Mo claim 8 , W claim 8 , Re and Ta.10. The compound of claim 7 , wherein Ris N and each G is independently substituted with at least one electron-withdrawing substituent.11. The compound of claim 7 , where Ris selected from the group consisting of N claim 7 ,NH(A) claim 7 , NR(A) claim 7 , B claim 7 , P claim 7 , CH claim 7 , CR claim 7 , SiR and a 1 claim 7 ,3 claim 7 ,5-trivalent phenyl moiety claim 7 , wherein R is optionally substituted alkyl or aryl claim 7 , and A is an anion.12. The compound of claim 7 , wherein G is phenyl claim 7 , naphthyl or anthracenyl.14. The compound of claim 13 , wherein Ris NH(A) or N(R)(A) claim 13 , R is optionally substituted alkyl or aryl claim 13 , and A is an ...

SUPPORTED OLEFIN METATHESIS CATALYSTS

Supported olefin metathesis catalysts are disclosed, and more particularly, a supported catalyst complex comprising a catalyst composed of a Group 8 transition metal complex comprising a labile ligand and a non-labile ligand and a support, wherein the metal complex and the support are linked together by one or more linkers, in which one of the linkers connects the labile ligand of the complex to the support and the same or a different linker connects the non-labile ligand of the complex to the support. A method for preparing a supported catalyst complex is further disclosed. The invention further relates to the use of the supported olefin metathesis catalyst in performing metathesis reactions. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and industrial and fine chemicals chemistry. 2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. The supported catalyst of claim 1 , wherein the non-labile ligand is selected from N-heterocyclic carbenes claim 1 , acyclic diaminocarbenes claim 1 , cyclic alkyl amino carbenes claim 1 , 1 claim 1 ,2 claim 1 ,4-triazol-5-ylidene ligands claim 1 , thiazol-2-ylidene ligands claim 1 , salen ligands claim 1 , Schiff base ligands claim 1 , or a combination thereof.7. (canceled)8. (canceled)9. The supported catalyst of claim 1 , wherein the labile ligand is selected from N-heterocyclic carbenes claim 1 , alkylidenes claim 1 , phosphine claim 1 , pyridine claim 1 , substituted pyridine claim 1 , chelating ligands claim 1 , thiophene claim 1 , pyrrole claim 1 , endo and exo imines claim 1 , amines claim 1 , or a combination thereof.10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. The supported catalyst of claim 1 , wherein the linkers have the structure -A-Fn claim 1 , wherein A is a divalent hydrocarbon moiety selected from alkylene and arylalkylene claim 1 , wherein the alkyl portion of the alkylene and arylalkylene groups can be linear or branched claim 1 , saturated ...

COMPOUNDS FOR USE AS LIGANDS

The present invention relates to compounds and their use as ligands, in particular, in metal catalyst complexes. The ligands of the invention are capable of binding to a solid support. The invention includes the ligands in their own right and when bound to a support and the compounds may be used to prepare metal catalyst complexes. 121.-. (canceled)23. A metal complex according to with the proviso that the compound is not selected from 1-(3-hydroxypropyl)-2 claim 22 ,3 claim 22 ,4 claim 22 ,5-tetramethylcyclopentadiene claim 22 , 1-(4-hydroxy butyl)-2 claim 22 ,3 claim 22 ,4 claim 22 ,5-tetramethylcyclopentadiene claim 22 , 1-(5-hydroxypentyl)-2 claim 22 ,3 claim 22 ,4 claim 22 ,5-tetramethylcyclopentadiene claim 22 , 1-(3-aminopropyl)-2 claim 22 ,3 claim 22 ,4 claim 22 ,5-tetramethylcyclopentadiene claim 22 , 1-(4-aminobutyl)-2 claim 22 ,3 claim 22 ,4 claim 22 ,5-tetramethylcyclopentadiene claim 22 ,1-(5-aminopentyl)-2 claim 22 ,3 claim 22 ,4 claim 22 ,5-tetramethylcyclopentadiene and 1-(8-heptadecenyl)2 claim 22 ,3 claim 22 ,4 claim 22 ,5-tetramethylcyclopentadiene.24. A metal complex according to claim 22 , wherein Ris tetramethylcyclopentadienyl.25. A metal complex according to claim 22 , wherein X has from 2 to 20 in-chain carbon atoms.26. A metal complex according to claim 22 , wherein X is an alkylene group or an alkenylene group.27. A metal complex according to claim 23 , wherein Y is selected from ═O claim 23 , —OH and —NH.28. A metal complex according to claim 22 , wherein Y is a monosubstituted amino and the amino group is substituted with an optionally substituted hydrocarbyl group claim 22 , a heterocyclyl group or a heterocycloalkyl group claim 22 , any of which are optionally attached to the nitrogen atom of the amino group via a linkage selected from —O— claim 22 , C(O)— claim 22 , —C(O)O— claim 22 , —S— claim 22 , —S(O)— and —S(O)—.29. A metal complex according to claim 28 , wherein the amino group is substituted with an optionally substituted ...

HIGHLY Z-SELECTIVE OLEFINS METATHESIS

The present invention relates generally to catalysts and processes for the Z-selective formation of internal olefin(s) from terminal olefin(s) via homo-metathesis reactions. 1. (canceled)316-. (canceled)18. The metal complex of claim 17 , wherein the at least one ligand containing oxygen bound to M lacks a plane of symmetry.19. The metal complex of claim 17 , wherein the ligand containing nitrogen bound to M is selected from the group consisting of pyrrolyl claim 17 , pyrazolyl claim 17 , pyridinyl claim 17 , pyrazinyl claim 17 , pyrimidinyl claim 17 , imidazolyl claim 17 , triazolyl claim 17 , tetrazolyl claim 17 , oxazolyl claim 17 , isoxazolyl claim 17 , thiazolyl claim 17 , isothiazolyl claim 17 , indolyl claim 17 , indazolyl claim 17 , carbazolyl claim 17 , morpholinyl claim 17 , piperidinyl claim 17 , and oxazinyl claim 17 , all optionally substituted.20. The metal complex of claim 17 , wherein the ligand containing nitrogen bound to M is pyrrolyl claim 17 , optionally substituted.21. The metal complex of claim 17 , wherein the ligand containing oxygen bound to M comprises a group having the formula —OSi(R) claim 17 , wherein each Rcan be the same or different and is aryl or alkyl claim 17 , optionally substituted.22. The metal complex of claim 17 , wherein Rand Rare the same or different and are aryl or alkyl claim 17 , optionally substituted claim 17 , and Ris hydrogen.25. The metal complex of claim 17 , wherein Ris silyl-protected BINOL derivative.28. The metal complex of claim 2 , wherein Ris alkyl.32. The metal complex of claim 31 , wherein Rand Rare the same or different and is selected from the group consisting of F claim 31 , Cl claim 31 , Br claim 31 , or I.33. The metal complex of claim 2 , wherein Ris CMePh or CMeand Ris hydrogen.36. The metal complex of claim 2 , wherein the ligand containing oxygen bound to M is hexaisopropylterphenolate.37. The metal complex of claim 2 , wherein the catalyst has a structure selected from the group consisting of M ...

Novel metal complex catalysts and uses thereof

The invention relates to novel metal complexes useful as catalysts in redox reactions (such as, hydrogen (H 2 ) production). In particular, the invention provides novel transition metal (e.g., cobalt (Co) or nickel (Ni)) complexes, in which the transition metal is coupled with N,N-Bis(2-pyridinylmethyl)-2,2′-Bipyridine-6-methanamine (DPA-Bpy), 6′-((bis(pyridin-2-ylmethyl)amino)methyl)-N,N-dimethyl-2,2′-bipyridin-6-amine (DPA-ABpy), or a derivative thereof. The invention also relates to a method of producing H 2 from an aqueous solution by using the metal complex as a catalyst. In certain embodiments, the invention provides a metal complex of the formulae as described herein.

PROCESS FOR PREPARING BRANCHED ALCOHOLS

Process for preparing branched alcohols of the general formula (I) 2. The process according to claim 1 , which occurs without adding a solvent which is different from the alcohol of formula (II).3. The process according to claim 1 , which occurs at temperatures in a range from 100 to 200° C.4. The process according to claim 1 , wherein Ris ethyl or isopropyl.5. The process according to claim 1 , wherein the at least one Lis selected from the group consisting of a bidentate ligand and a tridentate ligand claim 1 , which coordinate with Ru(II) through one or more nitrogen atoms and optionally through one or more carbene carbon atoms.6. The process according to claim 1 , wherein the Ru(II)-containing complex compound further comprises at least one further ligand selected from the group consisting of CO claim 1 , a pseudohalide claim 1 , an organic carbonyl compound claim 1 , an aromatic claim 1 , an olefin claim 1 , a phosphane claim 1 , a hydride and a halide.12. The process according to claim 1 , wherein the Ru(II)-containing complex compound is formed in situ.13. The process according to claim 1 , wherein alcohol of the formula (II) is an azeotropic entrainer.15. The use according to claim 14 , wherein the Ru(II)-containing complex compound further comprises at least one further ligand selected from the group consisting of CO claim 14 , a pseudohalide claim 14 , an organic carbonyl compound claim 14 , an aromatic claim 14 , an olefin claim 14 , a phosphane claim 14 , a hydride and a halide.16. The use according to claim 14 , wherein at least one ligand Lis selected from the group consisting of a bidentate ligand and a tridentate ligand claim 14 , which coordinate with Ru(II) through nitrogen atoms and optionally through one or more carbene carbon atoms. The present invention relates to a process for preparing branched alcohols of the general formula (I)where the groups Rare different or identical and selected from C-C-alkyl, linear or branched, using at least one ...

MULTIMETALLIC ASSEMBLY, METHODS OF MAKING MULTIMETALLIC ASSEMBLY, METHODS OF OXIDIZING WATER, METHODS OF O-ATOM TRANSFER CATALYSTS, AND METHODS OF CARBON DIOXIDE REDUCTION

Embodiments of the present disclosure provide for multimetallic assemblies, methods of making a multimetallic assembly, methods of oxidizing water, methods of O-atom transfer catalysis, and the like. 4. The multimetallic assembly of claim 1 , wherein one or more metals are associated with the multimetallic assembly.5. The multimetallic assembly of claim 2 , wherein the metal is a transition metal.6. The multimetallic assembly of claim 2 , wherein the metal selected from the group consisting of: manganese claim 2 , iron claim 2 , cobalt claim 2 , nickel claim 2 , copper claim 2 , vanadium claim 2 , chromium claim 2 , palladium claim 2 , platinum claim 2 , gold claim 2 , ruthenium claim 2 , rhodium claim 2 , and iridium.10. The multimetallic assembly of claim 7 , wherein one or more metals are associated with the multimetallic assembly.11. The multimetallic assembly of claim 10 , wherein the metal is a transition metal.12. The multimetallic assembly of claim 10 , wherein the metal selected from the group consisting of: manganese claim 10 , iron claim 10 , cobalt claim 10 , nickel claim 10 , copper claim 10 , vanadium claim 10 , chromium claim 10 , palladium claim 10 , platinum claim 10 , gold claim 10 , ruthenium claim 10 , rhodium claim 10 , and iridium. This application claims priority to co-pending U.S. provisional application entitled “MULTIMETALLIC ASSEMBLY, METHODS OF MAKING MULTIMETALLIC ASSEMBLY, METHODS OF OXIDIZING WATER, AND METHODS OF O-ATOM TRANSFER CATALYSTS” having Ser. No. 61/637,906, filed on Apr. 25, 2012, which is entirely incorporated herein by reference.The design of synthetic catalysts to replicate the reactivity of metalloproteins is a long standing research goal with substantial focus on the synthesis and properties of metal complexes that are structural mimics of enzymatic metal clusters. However, these structural analogues have yet to operate as effective catalysts for multielectron redox reactions. Thus, there is a need to develop metal ...

Use of supported ionic liquid phase (silp) catalyst systems in the hydroformylation of olefin-containing mixtures to aldehyde mixtures with a high content of aldehydes unbranched in the 2 position

The present invention provides a composition comprising: a) an inert porous support material, b) an ionic liquid, c) a metal selected from group 9 of the Periodic Table of the Elements, d) a phosphorus-containing organic ligand, e) at least one organic amine. The present invention further provides a process for hydroformylating olefin-containing hydrocarbon mixtures to aldehydes with addition of the inventive composition as a catalytically active composition, wherein: a) the water content of the olefin-containing hydrocarbon mixture is adjusted to not more than 20 ppm, b) the content of polyunsaturated compounds in the olefin-containing hydrocarbon mixture is adjusted to not more than 3000 ppm, c) a molar ratio of organic amines according to claims 10 - 13 to phosphorus-containing organic ligands according to claims 8 - 9 of at least 4:1 is established, d) a molar ratio of phosphorus-containing organic ligands according to claims 8 - 9 to rhodium of at least 10:1 is established.

NOVEL ORGANIC METAL COMPLEX AND PROCESS FOR PREPARING AMINE COMPOUND

[Problem] 2. The organometallic compound according to claim 1 , wherein the nitrogen-containing six-membered monocyclic aromatic ring is selected from a pyridine ring claim 1 , a pyridazine ring claim 1 , a pyrazine ring claim 1 , a Pyrimidine ring or a triazine ring.3. The organometallic compound according to claim 1 , wherein the polycyclic aromatic ring is selected from a quinoline ring claim 1 , an isoquinoline ring claim 1 , a quinazoline ring claim 1 , a quinoxaline ring claim 1 , acridine ring claim 1 , a cinnoline ring or a phthalazine ring.5. The catalyst according to claim 4 , wherein the nitrogen-containing six-membered monocyclic aromatic ring is selected from a pyridine ring claim 4 , a pyridazine ring claim 4 , a pyrazine ring claim 4 , a Pyrimidine ring or a triazine ring.6. The catalyst according to claim 4 , wherein the polycyclic aromatic ring is selected from a quinoline ring claim 4 , an isoquinoline ring claim 4 , a quinazoline ring claim 4 , a quinoxaline ring claim 4 , acridine ring claim 4 , a cinnoline ring or a phthalazine ring.7. A process for preparing an amine compound claim 4 , wherein the amine compound is prepared by reacting a hydrogen-donating organic or inorganic compound with an imine compound or an enamine compound under the presence of the catalyst according to .8. The process for preparing the amine compound according to claim 7 , wherein the amine compound is prepared by the reaction of an imine compound or an enamine compound generated by mixing a carbonyl compound with an amine compound in a reaction system.10. The process for preparing an amine compound according to claim 7 , wherein the hydrogen-donating organic or inorganic compound is formic acid or formate.11. The catalyst according to claim 4 , wherein M in general formula (5) is rhodium or iridium.12. A process for preparing an amine compound claim 5 , wherein the amine compound is prepared by reacting a hydrogen-donating organic or inorganic compound with an imine ...

Alkene Aziridination

Disclosed are metal-bound tetracarbene catalysts, such as iron based aziridination catalyst, having the formula: 3. The compound of claim 1 , wherein X is a group 8 metal selected from the group consisting of Fe claim 1 , Ru claim 1 , and Os.4. The compound of claim 3 , wherein the metal is Fe.6. A method of making a transmetallating agent claim 3 , comprising:{'sup': Me,Et', 'Ph, 'sub': '4', 'contacting a tetraimidazolium precursor (TC)(X), where X is a counter ion, with a silver salt Ag(X), where X is a counter ion, in the presence of an organic solvent and optionally in the presence of a base, where the phenyl moieties can be independently substituted at any or all positions.'}7. The method of claim 6 , wherein the organic solvent comprises DMSO.8. The method of claim 6 , wherein the base comprises N claim 6 ,N-diethylethanamine.9. The method of claim 6 , wherein the transmetallating agent is synthesized according to the scheme set forth as scheme 4.10. A transmetallating reagent claim 6 , comprising [{(TC)Ag}Ag](X) claim 6 , where X is a counter ion.11. A method of making a metal bound tetracarbene catalyst claim 6 , comprising:{'claim-ref': {'@idref': 'CLM-00010', 'claim 10'}, 'contacting the transmetallating reagent of , with a group 6, 7, 8, 9, or 10 metal salt in the presence of a solvent, or'}{'sup': Me,Et', 'Ph, 'sub': '4', 'contacting a tetraimidazolium precursor (TC)(I), with a strong base to deprotonate the tetraimidazolium precursor, thereby forming a deprotonated tetraimidazolium precursor, wherein the phenyl groups of the tetraimidazolium precursor are optionally substituted; and'}contacting the deprotonated tetraimidazolium precursor with a solution comprising a group 6, 7, 8, 9, or 10 metal.12. The method of claim 11 , wherein the solvent comprise a mixture of THF and CHCL.13. The method of claim 11 , wherein the metal bound tetracarbene catalyst is synthesized according to scheme 5.14. The method of claim 11 , further comprising:{'sup': Me,Et', ' ...

PRODUCTION METHOD OF OPTICALLY ACTIVE DIHYDROBENZOFURAN DERIVATIVE

Provided is a production method of an optically active dihydrobenzofuran derivative. A production method of an optically active form of a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof and the like. 3. The production method according to claim 1 , wherein Ris a hydroxy group.6. The production method according to claim 2 , wherein R claim 2 , R claim 2 , Rand Rare each an isopropyl group.7. The production method according to claim 1 , wherein the ruthenium complex is a complex represented by the formula:{'br': None, 'sub': 2', 'n, 'i': 'dmf', 'RuCl(L)()\u2003\u2003(V)'}wherein L is an optically active form of 1,2-bis(2,5-diisopropylphosphorano)benzene;dmf is N,N-dimethylformamide; and,n is an integer of one or more.8. The production method according to or claim 1 , wherein R claim 1 , Rand Rare each a phenyl group claim 1 ,{'sup': B4', 'B5, 'sub': '1-6', 'Rand Rare each independently a Calkyl group, and'}{'sup': 'B6', 'Ris a hydrogen atom.'}12. A ruthenium complex represented by the formula:{'br': None, 'sub': 2', 'n, 'i': 'dmf', 'RuCl(L)()\u2003\u2003(V)'}wherein L is an optically active form of 1,2-bis(2,5-diisopropylphosphorano)benzene;dmf is N,N-dimethylformamide; and,n is an integer of one or more.21. A crystal of [(3S)-6-({2′ claim 1 ,6′-dimethyl-4′-[3-(methylsulfonyl)propoxy]biphenyl-3-yl}methoxy)-2 claim 1 ,3-dihydro-1-benzofuran-3-yl]acetic acid claim 1 , showing a powder X-ray diffraction pattern having characteristic peaks at lattice spacing (d) of about 19.24±0.2 claim 1 , 18.79±0.2 claim 1 , 6.35±0.2 claim 1 , 5.37±0.2 claim 1 , 4.91±0.2 and 4.83±0.2 angstroms by powder X-ray diffraction. The present invention relates to a production method of an optically active dihydrobenzofuran derivative and the like.A compound having an optically active dihydrobenzofuran ring (e.g., [(3S)-6-({2′,6′-dimethyl-4′-[3-(methylsulfonyl)propoxy]biphenyl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetic acid) as ...

METAL COMPLEXES, THEIR APPLICATION AND METHODS OF CARRYING OUT OF METATHESIS REACTION

This disclosure relates to new metal complexes, such as compounds of Formula 1, and their application in olefin or alkyne metathesis and to methods of carrying out olefin metathesis reactions. 2. The compound of claim 1 , wherein all substituents of the o-phenylene have a molecular weight of 15 to 1000.4. The compound of claim 3 , wherein X is chloride.5. The compound of claim 3 , wherein Xis chloride6. The compound of claim 3 , wherein M is ruthenium.7. The compound of claim 3 , wherein Ris H.8. The compound of claim 3 , wherein Ris H.9. The compound of claim 3 , wherein Ris H.10. The compound of claim 3 , wherein Ris H.11. The compound of claim 3 , wherein Ris H or Calkyl.12. The compound of claim 3 , wherein Ris H or Calkyl.13. The compound of wherein L is an optionally substituted trialkylphosphine or an optionally substituted 1 claim 1 ,3-diphenyldihydroimidazol-2-ylidene.14. The compound of claim 13 , wherein L is tricyclohexylphosphine.1924-. (canceled)25. A process for carrying out a metathesis reaction claim 1 , comprising reacting a mixture comprising: 1.) two compounds each having a C═C double bond claim 1 , or one compound having at least two C═C double bonds; and 2.) a catalyst claim 1 , wherein the catalyst is a compound according to .26. The process according to in which the catalyst is used as a catalyst in ring closing metathesis claim 25 , cross metathesis claim 25 , homo metathesis claim 25 , or alken-alkyn metathesis.27. The process according to in which the catalyst is used as a catalyst in ring opening metathesis polymerization.28. A process for carrying out a metathesis reaction claim 1 , comprising reacting a mixture comprising: at least one olefin and a catalyst claim 1 , wherein the catalyst is a compound according to .29. The process according to claim 28 , wherein the metathesis reaction is carried out in organic solvent.30. The process according to claim 28 , wherein metal impurities are removed from product by filtration of reaction ...

Processes for the Preparation of Arylamine Compounds

A process for the preparation of N-arylamine compounds, the process including: reacting a compound having an amino group with an arylating compound in the presence of a base and a transition metal catalyst under reaction conditions effective to form an N-arylamine compound; wherein the transition metal catalyst comprises a complex of a Group 8-10 metal and at least one chelating ligand comprising (R)—(—)-1-[(S)-2-dicyclohexylphosphino]-ferrocenyl]ethyldi-t-butylphosphine. 115.-. (canceled)16. A process for preparing a Group 15 atom and metal catalyst compound , the process comprising:{'sub': '7', 'a) preparing a ligand comprising an N-aryl amine compound by reacting a compound having an amino group with an arylating compound in the presence of a base and a transition metal catalyst under reaction conditions effective to form an N-aryl amine compound, wherein the transition metal catalyst is formed by reacting a Group 8 metal catalyst precursor comprising palladium (II) acetate (Pd(OAc)) and at least one chelating ligand comprising (R)—(—)-1-[(S)-2-[dicyclohexylphosphino]-ferrocenyl]ethyldi-t-butylphosphine; and'}{'sup': 'n', 'sub': 'n', 'b) combining the ligand prepared in step a) with a compound represented by the formula MXwhere M is a Group 3 to 14 metal, n is the oxidation state of M, and X is an anionic group.'}17. The process of claim 16 , wherein the compound having an amino group is selected from the group consisting of primary amines claim 16 , secondary amines claim 16 , and combinations thereof.18. The process of claim 16 , wherein the compound having an amino group comprises at least one of diethylenetriamine claim 16 , 1 claim 16 ,5-diaminopentane claim 16 , and 2 claim 16 ,2′-oxydiethylamine.20. The process of claim 16 , wherein said arylating compound comprises at least one of 2 claim 16 ,3 claim 16 ,4 claim 16 ,5 claim 16 ,6-pentamethylbromobenzene and 2 claim 16 ,4 claim 16 ,6-trimethylbromobenzene.21. The process of claim 16 , wherein the N-aryl ...

Adsorbents for the Recovery of Catalyst from Block Co-Polymer Process and Method for Regenerating of the Same

Provided is a process for isolating a catalyst from a solution having a copolymer and a catalyst dissolved therein, after performing copolymerization with the catalyst. More specifically the invention provides selection and application of an adsorbent to be used for the isolation. 1. A process for recovering the catalyst from a solution of copolymer and catalyst dissolved therein by using silica having average pore size of not less than 5 nm , pore volume of 0.75-3.3 cm/g and production rate of propionaldehyde not more than 0.0035% , and regenerating the silica , which comprises the steps of:1) contacting a solution having copolymer and catalyst dissolved therein, which was formed after copolymerization of carbon dioxide and epoxide by using a complex containing onium salt as a catalyst, with silica that is not soluble in the solution to result in isolation of the catalyst by means of adsorption of the catalyst on the surface of silica; and2) treating the silica with catalyst adsorbed thereon with acid to desorb the catalyst from the surface of silica and to regenerate silanol group of silica.2. The process in accordance with claim 1 , wherein contact of the solution having copolymer and catalyst dissolved therein with silica in step 1) implies that silica is added to the solution having copolymer and catalyst dissolved therein and the mixture is filtered claim 1 , or that the solution is passed through a column filled with silica.3. The process in accordance with claim 1 , wherein the acid treatment of step 2) employs a mixed solution of organic or inorganic acid and polar solvent in a volume ratio of 0.01˜10:90˜99.99.4. The process in accordance with claim 3 , wherein the organic or inorganic acid is one or a mixture of two or more selected from a group consisting of nitric acid claim 3 , hydrochloric acid claim 3 , phosphoric acid claim 3 , acetic acid and trifluoroacetic acid.5. The process in accordance with claim 3 , wherein the polar solvent is one or a ...

METHOD FOR PRODUCING THE TRANSITION METAL COMPLEX, CATALYST FOR TRIMERIZATION, METHOD FOR PRODUCING 1-HEXENE, METHOD FOR PRODUCING THE SUBSTITUTED CYCLOPENTADIENE COMPOUND (1)

A silicon-bridged Cp-Ar transition metal complex is provided that serves as a catalytic component capable of efficiently and highly selectively producing 1-hexene through the trimerization reaction of ethylene. The transition metal complex is represented by formula (1): 2. The transition metal complex according to claim 1 , wherein Mis a titanium atom in formula (1).3. The transition metal complex according to claim 1 , wherein in formula (1) claim 1 , R claim 1 , R claim 1 , Rand Rare each a methyl group.7. The transition metal complex according to claim 1 , wherein two aryl groups selected from among Ar claim 1 , Arand Arare the same.8. The transition metal complex according to claim 1 , wherein all of the aryl groups Ar claim 1 , Arand Arare different.9. A catalytic component for trimerization comprising a transition metal complex according to .10. A catalyst for trimerization which is obtained by bringing a transition metal complex according to claim 1 , into contact with an activating co-catalyst component.12. The catalyst for trimerization according to claim 10 , wherein the activating co-catalyst component comprises the following compound (B): compound (B): one or more boron compounds selected from the compound group consisting of the following compounds (B1) claim 10 , (B2) and (B3):{'sup': 1', '2', '3, '(B1): a compound represented by formula BQQQ,'}{'sup': +', '4', '5', '6', '7', '−, '(B2): a borate compound represented by formula T(BQQQQ), and'}{'sup': +', '8', '9', '10', '11', '−, '(B3): a borate compound represented by formula (L-H)(BQQQQ), wherein'}{'sup': 1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '+', '+, 'B represents a trivalent boron; Q, Q, Q, Q, Q, Q, Q, Q, Q, Qand Qare the same as or different from each other and each independently represent a halogen atom, a hydrocarbyl group having 1 to 20 carbon atoms which may have a halogen atom as a substituent, a hydrocarbylsilyl group having 1 to 20 carbon atoms which may have a halogen atom ...

METHOD FOR PRODUCING TRANSITION METAL COMPLEX, CATALYST FOR TRIMERIZATION, METHOD FOR PRODUCING 1-HEXENE, METHOD FOR PRODUCING SUBSTITUTED CYCLOPENTADIENE COMPOUND (2)

A silicon-bridged Cp-Ar transition metal complex serves as a catalytic component capable of efficiently and highly selectively producing 1-hexene through trimerization reaction of ethylene. The transition metal complex is represented by formula (1): 2. The transition metal complex represented by formula (1) according to claim 1 , wherein M is a titanium atom.3. The transition metal complex represented by formula (1) according to claim 1 , wherein R claim 1 , R claim 1 , Rand Rare each a methyl group.4. The transition metal complex represented by formula (1) according to claim 1 , wherein{'sup': '6', 'claim-text': {'sup': 10', '10', '10, 'sub': '3', 'a substituted silyl group represented by —Si(R), wherein the three Rmoieties each independently represent a hydrogen atom, a hydrocarbyl group or a halogenated hydrocarbyl group, and the total number of the carbon atoms in the three Rmoieties is 1 to 20.'}, 'Ris'}5. The transition metal complex represented by formula (1) according to claim 1 , wherein Rand Rare a substituted silyl group represented by —Si(R) claim 1 , wherein the three Rmoieties each independently represent a hydrogen atom claim 1 , a hydrocarbyl group or a halogenated hydrocarbyl group claim 1 , and the total number of the carbon atoms in the three Rmoieties is 1 to 20.6. The transition metal complex represented by formula (1) according to claim 1 , wherein Ris a substituted silyl group represented by —Si(R)) wherein the three Rmoieties each independently represent a hydrogen atom claim 1 , a hydrocarbyl group or a halogenated hydrocarbyl group claim 1 , and the total number of the carbon atoms in the three Rmoieties is 1 to 20 claim 1 , and{'sup': '8', 'Ris an alkyl group having 1 to 20 carbon atoms which may have a halogen atom as a substituent.'}7. A catalytic component for trimerization comprising a transition metal complex according to .8. A catalyst for trimerization which is obtained by bringing a transition metal complex according to claim 1 , ...

SYSTEM FOR FLUORINATING ORGANIC COMPOUNDS

Described herein are fluorinated organic compounds and methods of making fluorinated organic compounds, for example, using palladium complexes. Also described herein are compositions and kits containing compounds and palladium complexes described herein. 2. The palladium complex of claim 1 , wherein the palladium complex further comprises a negatively charged counterion X claim 1 , wherein X is selected from BF claim 1 , BPh claim 1 , PF claim 1 , [BArF] claim 1 , B(CF) claim 1 , SbF claim 1 , and CFSO.3. The palladium complex of claim 1 , wherein Z is —N(R)—.4. The palladium complex of claim 3 , wherein Ris —S(O)R.5. The palladium complex of claim 4 , wherein Ris optionally substituted aryl.7. The palladium complex of claim 1 , wherein Ris pyridyl.8. The palladium complex of claim 1 , wherein Ris halogen claim 1 , an optionally substituted heteroaryl claim 1 , or —OR.9. The palladium complex of claim 8 , wherein Ris —Cl or pyridyl.10. The palladium complex of claim 1 , wherein Ris —C(═O)Ror —S(O)R.11. The palladium complex of claim 10 , wherein Ris an optionally substituted aliphatic.12. The palladium complex of claim 11 , wherein Ris —C(═O)CHor —S(O)CF.15. The method of claim 14 , wherein the organic compound comprises an aryl group.16. The method of claim 14 , wherein the organic compound comprises a boron substituent.18. The method of claim 14 , wherein the fluorinating agent provides a source of F.20. The palladium complex of claim 19 , wherein Ris pyridyl.21. The palladium complex of claim 19 , wherein Ris halogen claim 19 , an optionally substituted heteroaryl claim 19 , or —OR.22. The palladium complex of claim 21 , wherein Ris —Cl or pyridyl.23. The palladium complex of claim 21 , wherein Ris —C(═O)Ror —S(O)R.24. The palladium complex of claim 23 , wherein Ris an optionally substituted aliphatic.25. The palladium complex of claim 24 , wherein Ris —C(═O)CHor —S(O)CF. The present application is a Continuation of U.S. application Ser. No. 12/865,703, which is ...

CONJUGATED MICROPOROUS MACROMOLECULE CATALYST COMPLEXED WITH COBALT, CHROMIUM, ZINC, COPPER OR ALUMINIUM, PREPARATION AND USE THEREOF

Disclosed are a type of catalyst which can catalyse the ring-addition reaction of COand an alkylene oxide at 0˜180° C. under 0.1˜8.0 MPa to produce a corresponding cyclic carbonate, and the preparation thereof. The catalyst is a conjugated microporous macromolecule polymer complexed with cobalt, chromium, zinc, copper or aluminium, and by using the macromolecule catalysts complexed with different metals to catalyse the reaction of COand alkylene oxide at normal temperature and normal pressure, a yield of the corresponding cyclic carbonate of 35%˜90% can be obtained. The catalyst is easy to recover and the re-use of the catalyst has no influence on the yield; additionally, the yield can reach over 90% by controlling the reaction conditions. 2. A method for preparing the polymer catalyst CMP of (except for CMP-A1) comprising:{'sub': '1', '1) synthesis of Salen: with the methanol or ethanol as a solvent, a mixture solution of R-substituted salicylaldehyde and 1,2-diaminocyclohexane (mole ratio=1:1˜30) was stirred for 3˜15 hours at 0˜150° C., affording the Salen compounds;'}{'sub': '2', '2) synthesis of Salen-Co: with the toluene and ethanol as solvent (volume ratio=1:1), a mixture solution of Co(OAc)and Salen (mole ratio=1.52:1) was stirred under argon for 4˜6 hours at 80˜100° C., affording the Salen-Co compounds;'}{'sub': 2', '2', '3, '3) synthesis of Salen-Co—X: with the anhydrous toluene and CHClas solvent (volume ratio=1:3), a mixture solution of Salen-Co and CHCOOH(HCl or HBr) (mole ratio=1:10˜15) was stirred under argon for 5˜7 hours at 25° C., affording the Salen-Co—X compounds;'}{'sub': '2', '4) synthesis of Salen-Cr—Cl: with the anhydrous THF as a solvent, a mixture solution of CrCland Salen (mole ratio=1:0.6˜0.75) was stirred under argon for 16˜24 hours at 25° C., then continue stirring 16˜24 hours in atmosphere, affording the Salen-Cr—Cl compounds;'}{'sub': '2', '5) synthesis of Salen-Zn: with the anhydrous THF as a solvent, a mixture solution of EtZn and ...

CATALYTIC SYSTEM FOR PREPARATION OF HIGH BRANCHED ALKANE FROM OLEFINS

The present invention discloses a catalytic system for preparing highly branched alkane from olefin, which contains novel nickel or palladium complexes. In the presence of the catalytic system, highly branched oily alkane mixture can be efficiently obtained from olefins (such as ethylene) under mild conditions. The alkane mixture has a low bromine number, and can be used as a processing aid(s) and lubricant base oil with high-performance. Provides also was a method for preparing the catalyst and a method for preparing an oily olefin polymer. 2. The compound of claim 1 , wherein claim 1 , 1-3 substituent(s) of R claim 1 , R claim 1 , Rand Ris C-Calkyl claim 1 , C-Chaloalkyl or unsubstituted or substituted phenyl claim 1 , and 1-3 of substituent(s) is hydrogen or halogen.3. The compound of claim 1 , wherein claim 1 , Z and Y together with the adjacent carbon atom form unsubstituted or substituted acenaphthylene group.4. A complex claim 1 , wherein claim 1 , that is formed by the compound of and a salt(s) of divalent metal selected from the following group: nickel claim 1 , palladium or the combination thereof.6. A method for preparing the complex of claim 1 , wherein claim 1 , comprising a step of: in inert solvent claim 1 , reacting the compound of with a salt(s) of divalent metal as a metal precursor claim 1 , thereby forming the complex of claim 1 , wherein the metal precursor is divalent nickel compound or divalent palladium compound.7. The method of claim 6 , wherein claim 6 , the metal precursor contains NiCl claim 6 , NiBr claim 6 , NiI claim 6 , (DME)NiBr claim 6 , PdCl claim 6 , PdBr claim 6 , Pd(OTf) claim 6 , Pd(OAc)or the combination thereof.9. A method for preparing oily polyolefin claim 6 , wherein claim 6 , comprising a step of:{'claim-ref': {'@idref': 'CLM-00004', 'claim 4'}, '(a) in the presence of the complex(es) of as a catalyst for olefin polymerization, catalyzing olefin polymerization, thereby forming an oily polyolefin.'}10. The method of claim ...

IMIDAZOLIDINE-BASED METAL CARBENE METATHESIS CATALYSTS

The present invention relates to novel metathesis catalysts with an imidazolidine-based ligand and to methods for making and using the same. The inventive catalysts are 5. The metathesis catalyst of claim 3 , wherein at least one of L claim 3 , L claim 3 , R claim 3 , R claim 3 , X claim 3 , and Xmay be linked with at least one of L claim 3 , L claim 3 , R claim 3 , R claim 3 , X claim 3 , and Xto form a bonded ligand array.6. The metathesis catalyst of claim 3 , wherein L may be bonded together with one of X and Xto form a bidentate ligand.7. The metathesis catalyst of claim 3 , wherein L may be bonded together with one of R and Rto form a bidentate ligand.8. The metathesis catalyst of claim 3 , wherein R and Rmay be bonded together.10. The metathesis catalyst of claim 9 , wherein at least one of L claim 9 , L claim 9 , R claim 9 , R claim 9 , R claim 9 , R claim 9 , X claim 9 , and Xmay be linked with at least one of L claim 9 , L claim 9 , R claim 9 , R claim 9 , R claim 9 , R claim 9 , X claim 9 , and Xto form a bonded claim 9 , bidentate claim 9 , or multidentate ligand array.11. The metathesis catalyst of claim 9 , wherein L may be bonded together with one of X and Xto form a bidentate ligand.12. The metathesis catalyst of claim herein L may be bonded together with one of R and Rto form a bidentate ligand.13. The metathesis catalyst of claim 9 , wherein R and Rmay be bonded together. The present invention claims the benefit of U.S. Provisional Application No. 60/135,493, field on May 24, 1999 by investors Robert H. Grubbs and Matthias Scholl entitles SYNTHESIS OF RUTHENIUM-BASED OLEFIN METATHESIS CATALYSTS COORDINATED WITH 1,-3-DISUBSTITUTED-4,5-DIHYDRO-(4,5-DI-SUBSTITUTED)-IMIDAZOXLE-2-YLIDENE LIGANDS [Attorney Docket No. 20072-0254089 (CIT-2993)] and U.S. Provisional Application No. 60/142,853, filed Jul. 7, 1999 by inventors Robert H. Grubbs and Matthias Scholl entitled IMIDAZOLIDINE-BASED METAL CARBENE METHATHESIS CATALYSTS [Attorney Docket No. 20072- ...

METHOD FOR CONVERTING MONOISOCYANATES TO UREAS

Organic isocyanates are converted to ureas by heating in the presence of certain cobalt, magnesium, chromium and lanthanide series organometallic catalysts. The process requires no water or other reactants. The process is particularly useful for removing small quantities of monoisocyanates from a solvent stream recovered from a polyisocyanate manufacturing process. The urea compounds in some instances can be recycled back into the polyisocyanate manufacturing process and reacted with polyisocyanate compounds to form biurets. 1. A method for converting an organic isocyanate comprising a phenyl isocyanate to one or more urea compounds in the presence of a non-polar organic solvent , comprising reacting a solution of the organic isocyanate in a liquid nonpolar solvent in the presence of at least 0.025 wt.-% of a organometallic catalyst , based on the weight of the organic isocyanate , wherein the organometallic catalyst includes at least one metal ion bonded to at least one organic ligand and the metal ion is selected from one or more of Co(II) , Mg(II) , Y(III) , Cr(III) and a lanthanide series metal ion in the 3+ oxidation state , to convert at least a portion of the organic isocyanate to the one or more urea compounds.2. The method of wherein the metal ion is Co(II) or Mg(II).3. The method of wherein at least one organic ligand is an arene ligand.4. The method of wherein the arene ligand is cyclopentadienyl or methylcyclopentadienyl.5. The method of wherein the metallic catalyst is one or more of bis(cyclopentadienyl) Co(II) claim 1 , bis(cyclopentadienyl) Mg(II) claim 1 , bis(cyclopentadienyl) Cr(II) claim 1 , tris(cyclopentadienyl) Gd(III) claim 1 , tris(cyclopentadienyl) Y(III) claim 1 , tris(cyclopentadienyl) La(III) claim 1 , tris(cyclopentadienyl Ru(III) claim 1 , bis(methylcyclopentadienyl) Co (II) claim 1 , bis(methylcyclopentadienyl) Mg(II) claim 1 , bis(methylcyclopentadienyl) Cr(II) claim 1 , tris (methylcyclopentadienyl) Gd(III) claim 1 , tris ( ...

IMMOBILIZED METAL ALKYLIDENE CATALYSTS AND USE THEREOF IN OLEFIN METATHESIS

The invention relates to immobilized metal alkylidene catalysts. The catalysts are useful in olefin metathesis. 2. Compound according to claim 1 , wherein M is Mo or W claim 1 , preferably wherein M is W.3. Compound according to or claim 1 , wherein Y is oxygen.4. Compound according to any one of to claim 1 , wherein Rand R′ are independently from one another H and tert-butyl claim 1 , or H and CMePh; or wherein at least one of Rand R′ is ortho-alkoxyphenyl claim 1 , preferably wherein alkoxy is Cto C-alkoxy; or wherein Rand R′ are independently from one another H and ortho-alkoxyphenyl claim 1 , preferably wherein alkoxy is Cto C-alkoxy.5. Compound according to any one of to claim 1 , wherein ring B is a heterocycle selected from the group comprising or consisting of: 1 claim 1 ,3-disubstituted imidazol-2-ylidene claim 1 , 1 claim 1 ,3-disubstituted imidazolidin-2-ylidene claim 1 , 1 claim 1 ,3-disubstituted tetrahydropyrimidin-2-ylidene claim 1 , 1 claim 1 ,3-disubstituted diazepin-2-ylidene claim 1 , 1 claim 1 ,3-disubstituted dihydro-diazepin-2-ylidene claim 1 , 1 claim 1 ,3-disubstituted tetrahydrodiazepin-2-ylidene claim 1 , N-substituted thiazol-2-ylidene claim 1 , N-substituted thiazolin-2-ylidene claim 1 , N-substituted triazol-2-ylidene claim 1 , N-substituted dihydrotriazol-2-ylidene claim 1 , mono- or multisubstituted triazolin-2-ylidene claim 1 , N-substituted thiadiazol-2-ylidene claim 1 , mono- or multisubstituted thiadiazolin-2-ylidene and mono- or multi-substituted tetrahydrotriazol-2-ylidene claim 1 ,{'sup': 2', '2, 'wherein the heterocycle may have one or more further substituents, wherein said substituents independently have the meaning of Ror halogen or NR.'}6. Compound according to claim 5 , wherein ring B is selected from 1 claim 5 ,3-dimesitylimidazol-2-ylidene claim 5 , 1 claim 5 ,3-dimesitylimidazolidin-2-ylidene claim 5 , 1 claim 5 ,3-di-tert-butylimidazol-2-ylidene claim 5 , 1 claim 5 ,3-di-tert-butylimidazolidin-2-ylidene claim 5 , 1 ...

PROCESS FOR THE PREPARATION OF CHIRAL 3-AMINO-PIPERIDINS, USEFUL INTERMEDIATES FOR THE PREPARATION OF TOFACITINIB

Object of the present invention is an improved process for the preparation of (3R,4R)-1-benzyl-4-methylpiperidin-3-amine by means of chiral Rhodium catalysts. 2. The process according to the claim 1 , wherein the compound of formula (II) or salt thereof has an enantiomeric excess higher than 67% claim 1 , or of at least 70%.3. The process according to claim 1 , wherein the Rh(I) complex is a neutral complex of the general formula (IVa) or (IVb):{'br': None, 'sub': '2', '[RhLA]\u2003\u2003(IVa) or'}{'br': None, 'sub': '2', '[RhLA]\u2003\u2003(IVb),'}{'sub': 4-12', '2-12, 'wherein L represents a Cdiene or two Calkene molecules, and A is chlorine, bromine, iodine, trifluoromethanesulfone, tetrafluoroboarte or acetylacetonate.'}4. The process according to the claim 3 , wherein L is norbornadiene or 1 claim 3 ,5-cyclooctadiene.5. The process according to claim 3 , wherein A is trifluoromethansulfone.8. The process according to claim 1 , wherein the asymmetrical hydrogenation is carried out at a temperature from 30° C. to 60° C. and the solvent is 2 claim 1 ,2 claim 1 ,2-trifluoroethanol claim 1 , or is carried out at a temperature from 50° C. to 70° C. and the solvent is methanol.9. The process according to claim 1 , wherein the asymmetrical hydrogenation is carried out in 2 claim 1 ,2 claim 1 ,2-trifluoroethanol and the pressure is from 2 to 15 bar claim 1 , or is carried in methanol and the pressure is from 10 to 20 bar.10. The process according to claim 1 , wherein the asymmetrical hydrogenation is carried out in from 5 to 10 volumes of 2 claim 1 ,2 claim 1 ,2-trifluoroethanol or from 10 to 20 volumes of methanol.17. The process according to claim 4 , wherein A is trifluoromethansulfone. This application claims benefit to European Patent Application No. EP17178755.9, filed Jun. 29, 2017, the entire contents of which are incorporated by reference herein as if fully set forth.The object of the present invention is an improved process for the synthesis of a key ...

NOVEL RUTHENIUM CATALYSTS AND THEIR USE FOR ASYMMETRIC REDUCTION OF KETONES

Disclosed are novel ruthenium compounds of formula (Ia) and (Ib): 2. The compound of formula (Ia) or (Ib) according to claim 1 , wherein Ris —H.3. The compound of formula (Ia) or (Ib) according to claim 1 , wherein Ris —CH.4. The compound of formula (Ia) or (Ib) according to claim 1 , wherein Ris —OCH.5. The compound of formula (Ia) or (Ib) according to claim 1 , wherein the diamine ligand is compound 4.6. The compound of formula (Ia) or (Ib) according to claim 1 , wherein the diamine ligand is compound 5.7. The compound of formula (Ia) or (Ib) according to claim 1 , wherein the diamine ligand is compound 6.8. The compound of formula (Ia) or (Ib) according to claim 1 , wherein the diamine ligand is compound 7.9. The compound of formula (Ia) or (Ib) according to claim 1 , wherein the diamine ligand is compound 9.10. The compound of formula (Ia) or (Ib) according to claim 1 , wherein the diamine ligand is compound 12.11. The compound of formula (Ia) or (Ib) according to claim 1 , wherein Ris —OCH.12. The compound of formula (Ia) or (Ib) according to claim 1 , wherein the diamine ligand is compound 8.13. The compound of formula (Ia) or (Ib) according to claim 12 , wherein Ris —H.14. The compound of formula (Ia) or (Ib) according to claim 12 , wherein Ris —CH.15. The compound of formula (Ia) or (Ib) according to claim 12 , wherein Ris —OCH.16. The compound of formula (Ia) according to .17. The compound of formula (Ib) according to . The invention relates to a new family of amine-tunable ruthenium catalysts based on chiral bisdihydrobenzooxaphosphole ligands (BIBOP ligands). The catalysts are useful for asymmetric hydrogenation and transfer hydrogenation of a variety of highly challenging ketones, including heteroaryl cyclic ketones.Asymmetric reduction of ketones is a key transformation in the pharmaceutical industry for the preparation of enantiomerically pure alcohols, particularly those bearing heterocycles (see, e.g., (Eds.: J. G. De Vries, C. J. Elsevier), Willey- ...

PROCESS FOR THE PRODUCTION OF ACID ANHYDRIDES FROM EPOXIDES

A method of making acid anhydrides from epoxide and carbon monoxide feedstocks is presented. In various aspects, the method includes steps of reacting the contents of a feed stream comprising an epoxide, a solvent, a carbonylation catalyst and carbon monoxide to produce a first carbonylation product stream comprising a beta-lactone, then reacting the contents of the first carbonylation product stream with additional carbon monoxide to produce a second carbonylation product stream comprising an acid anhydride, and separating at least a portion of the acid anhydride from the second carbonylation product stream to produce: i) an acid anhydride product stream comprising the separated portion of acid anhydride; and ii) a recycling stream comprising the carbonylation catalyst, and finally adding the recycling stream to the feed stream. 1. A method for the continuous production of an acid anhydride , the method comprising the steps of:a) contacting an epoxide with carbon monoxide, optionally in the presence of a carbonylation catalyst in a first reaction zone to provide a first product stream comprising beta-lactone, residual epoxide, and, if present, the carbonylation catalyst;b) feeding the first product stream to a second reaction zone, where the stream is contacted with additional carbon monoxide under conditions sufficient to convert substantially all of the residual epoxide to beta-lactone and to convert a portion of the beta-lactone to acid anhydride, to provide a second product stream comprising dissolved acid anhydride and, if present, carbonylation catalyst;c) treating the second product stream such that the concentration of the acid anhydride in the stream exceeds the solubility of the acid anhydride;d) separating solid acid anhydride from the second product stream to produce an acid anhydride product stream comprising solid acid anhydride and a liquid catalyst recycling stream comprising the dissolved catalyst, if present, and dissolved acid anhydride; ande) ...

PHOTOCATALYTIC DEGRADATION OF SUGAR

Systems having at least one photonic antenna molecule and at least one catalyst for degrading a sugar to degradation products using light energy are disclosed. Also disclosed are the devices and methods that use the systems for photocatalytically degrading a sugar into degradation products. 1. A system for photocatalytically degrading a sugar , the system comprising:at least one photonic antenna molecule; andat least one catalyst;wherein the photonic antenna molecule is capable of collecting a light energy and transferring the light energy to the catalyst; andwherein the catalyst is capable of degrading the sugar to produce at least one degradation product.2. The system of claim 1 , wherein the photonic antenna molecule is selected from the group consisting of 5-hydroxytryptamine claim 1 , an acridine claim 1 , an Alexa Fluor® dye claim 1 , an ATTO dye claim 1 , a BODIPY® dye claim 1 , Coumarin 6 claim 1 , a CY dye claim 1 , DAPI claim 1 , an ethidium compound claim 1 , a Hoechst dye claim 1 , Oregon Green claim 1 , rhodamine claim 1 , a compound comprising Ru(bpy) claim 1 , a compound comprising (Pt(pop)) claim 1 , a YOYO dye claim 1 , and a SeTau dye.3. The system of claim 1 , wherein the photonic antenna molecule is fluorescein.4. The system of claim 1 , wherein the catalyst is a metal nanoparticle.5. The system of claim 4 , wherein the metal nanoparticle comprises a metal selected from the group consisting of ruthenium claim 4 , palladium claim 4 , gold claim 4 , silver claim 4 , nickel claim 4 , tungsten claim 4 , molybdenum claim 4 , gallium claim 4 , iridium claim 4 , rhodium claim 4 , osmium claim 4 , copper claim 4 , cobalt claim 4 , iron claim 4 , and platinum claim 4 , or a mixture thereof.6. The system of claim 4 , wherein the metal nanoparticle comprises a lanthanide.7. The system of claim 4 , wherein the metal nanoparticle comprises a metal selected from the group consisting of platinum claim 4 , nickel claim 4 , and europium.8. The system of claim 5 , ...

DEHYDROGENATION CATALYST, AND CARBONYL COMPOUND AND HYDROGEN PRODUCTION METHOD USING SAID CATALYST

Objects of the present invention are to provide a novel dehydrogenation reaction catalyst, to provide a method that can produce a ketone, an aldehyde, and a carboxylic acid with high efficiency from an alcohol, and to provide a method for efficiently producing hydrogen from an alcohol, formic acid, or a formate, and they are accomplished by a catalyst containing an organometallic compound of Formula (1). 2. The method according to claim 1 , wherein the oxygen-containing compound is an alcohol.3. The method according to claim 1 , wherein the oxygen-containing compound is formic acid or a formate.4. The method according to claim 1 , wherein L is an aquo ligand.5. The method according to claim 1 , wherein Ar is an optionally substituted cyclopentadienyl group claim 1 , and M is iridium.6. A dehydrogenation catalyst comprising an organometallic compound of Formula (1) claim 1 , wherein it is for use in the method according to .7. A method for producing a carbonyl compound claim 1 , wherein an alcohol is dehydrogenated by use of the dehydrogenation method according to to produce a corresponding carbonyl compound.8. The method according to claim 7 , wherein the carbonyl compound is a ketone or an aldehyde.9. The method according to claim 7 , wherein the alcohol is a primary alcohol claim 7 , the carbonyl compound is a carboxylic acid claim 7 , and a solvent comprising water is used.10. A method for producing hydrogen claim 1 , wherein hydrogen is prepared by dehydrogenation of an alcohol claim 1 , a mixture containing an alcohol and water claim 1 , formic acid claim 1 , or a formate using the dehydrogenation method according to .12. The organometallic compound according to claim 11 , wherein Ar is an optionally substituted cyclopentadienyl group claim 11 , and M is iridium.14. The organometallic compound according to claim 13 , wherein Ar is an optionally substituted cyclopentadienyl group claim 13 , and M is iridium.15. A method for dehydrogenating an oxygen-containing ...

HIGHLY Z-SELECTIVE OLEFIN METATHESIS

The present invention relates generally to catalysts and processes for the Z-selective formation of internal olefin(s) from terminal olefin(s) via homo-metathesis reactions. 139-. (canceled)41. The metal complex of claim 40 , wherein the ligand containing oxygen bound to M is substituted —O-aryl claim 40 , wherein the aryl group is phenyl.42. The metal complex of claim 40 , the ligand containing oxygen bound to M is substituted —O-aryl claim 40 , wherein the aryl group is biphenyl.43. The metal complex of claim 40 , the ligand containing oxygen bound to M is substituted —O-aryl claim 40 , wherein the aryl group is 1 claim 40 ,2 claim 40 ,3 claim 40 ,4-tetrahydronaphthyl or naphthyl.44. The metal complex of claim 40 , wherein the ligand containing oxygen bound to M is substituted —O-aryl claim 40 , and substituents positioned in close proximity to the metal center are alkylaryl.45. The metal complex of claim 40 , wherein the metal complex is other than W(NAr)(CHCMePh)(Pyr)(HIPTO).46. The metal complex of claim 40 , wherein the ligand containing oxygen bound to M is 3 claim 40 ,3′-di-tert-butyl-5 claim 40 ,5′ claim 40 ,6 claim 40 ,6′-tetramethyl-2′-(trimethylsilyloxy)biphenyl-2-olate (BiphenTMS) claim 40 , 2′-(tert-butyldimethylsilyloxy)-3-mesityl-5 claim 40 ,5′ claim 40 ,6 claim 40 ,6′ claim 40 ,7 claim 40 ,7′ claim 40 ,8 claim 40 ,8′-octahydro-1 claim 40 ,1′-binaphthyl-2-olate (MesBitet) claim 40 , 3 claim 40 ,3′-dimesityl-2′-(tert-butyldimethylsilyloxy)-5 claim 40 ,5′ claim 40 ,6 claim 40 ,6′ claim 40 ,7 claim 40 ,7′ claim 40 ,8 claim 40 ,8′-octahydro-1 claim 40 ,1′-binaphthyl-2-olate (MesBitet) claim 40 , or MesBitetOMe is 3 claim 40 ,3′-dimesityl-2′-methoxy-5 claim 40 ,5′ claim 40 ,6 claim 40 ,6′ claim 40 ,7 claim 40 ,7′ claim 40 ,8 claim 40 ,8′-octahydro-1 claim 40 ,1′-binaphthyl-2-olate (MesBitetOMe).49. The metal complex of claim 48 , wherein Ris tert-butyl claim 48 , optionally substituted.50. The metal complex of claim 48 , wherein Ris substituted phenyl.51. ...

TUNGSTEN OXO ALKYLIDENE COMPLEXES FOR Z SELECTIVE OLEFIN METATHESIS

The current application describes tungsten oxo alkylidene complexes for olefin metathesis. 149-. (canceled)51. The method of claim 50 , wherein:{'sup': '3′', 'sub': '3', 'R is —OR or —OSi(R);'}{'sup': '4', 'sub': '2', 'Ris —N(R), or an optionally substituted group selected from a 5-6 membered monocyclic heteroaryl ring having at least one nitrogen and 0-3 additional heteroatoms independently selected from nitrogen, oxygen, or sulfur, a 4-7 membered saturated or partially unsaturated heterocyclic ring having at least one nitrogen and 0-2 additional heteroatoms independently selected from nitrogen, oxygen, or sulfur, a 7-10 membered bicyclic saturated or partially unsaturated heterocyclic ring having at least one nitrogen and 0-4 additional heteroatoms independently selected from nitrogen, oxygen, or sulfur, or an 8-10 membered bicyclic heteroaryl ring having at least one nitrogen and 0-4 additional heteroatoms independently selected from nitrogen, oxygen, or sulfur.'}52. The method of claim 50 , wherein the compound of formula I-c promotes Z-selective olefin metathesis.53. The method of claim 50 , wherein R is —OR claim 50 , wherein R is optionally substituted phenyl.55. The method of claim 51 , wherein Ris —N(R) claim 51 , wherein the two R groups are taken together with the nitrogen to form an optionally substituted 3-8 membered saturated claim 51 , partially unsaturated claim 51 , or aryl ring having 0-3 additional heteroatoms not including the N atom from —N(R)independently selected from nitrogen claim 51 , oxygen claim 51 , or sulfur.58. The method of claim 50 , wherein:{'sup': '3′', 'R is —OR; and'}{'sup': '4', 'Ris —OR.'}59. The method of claim 50 , wherein:{'sup': '3′', 'sub': '3', 'R is —OSi(R); and'}{'sup': '4', 'Ris —OR.'}60. The method of claim 50 , wherein the compound of formula I-c is W(O)(CH-t-Bu)(OHMT) claim 50 , W(O)(CH-t-Bu)(OHIPT) claim 50 , W(O)(CH-t-Bu)(DFTO) claim 50 , or WO(CH-t-Bu)[OSi(t-Bu)](OHMT).61. The method of claim 50 , wherein n is 0. ...

Synthesis of (S)-6-Hydroxytryptophan and Derivatives Thereof

The present invention relates to novel methods and compounds for synthesizing amanitin derivatives. The invention in particular relates to methods for synthesizing (S)-6-hydroxy-tryptophan derivatives which can be used as building blocks for synthesizing amanitin derivatives or amatoxin drug conjugates. The invention further relates to intermediate compounds of said synthesis pathways for use in amanitin derivative and amatoxin drug conjugate synthesis, and to the use of particular catalysts suited for mediating said synthesis pathways.

ENANTIOSELECTIVE HYDROGENATION OF 4-SUBSTITUTED 1,2-DIHYDROQUINOLINES IN PRESENCE OF A CHIRAL IRIDIUM CATALYST

The invention relates to a process for preparing optically active 4-substituted 1,2,3,4-tetrahydroquinolines comprising enantioselective hydrogenation of the corresponding 4-substituted 1,2-dihydroquinolines in presence of a chiral iridium (P,N)-ligand catalyst. 2: The process according to claim 1 , wherein{'sup': '1', 'sub': 1', '6', '6', '14', '1', '4, 'claim-text': {'sub': 6', '14', '6', '14', '1', '4', '1', '4', '1', '4', '1', '4', '1', '4, 'wherein C-C-aryl in the C-C-aryl-C-C-alkyl moiety is unsubstituted or substituted by one to five substituents selected from the group consisting of halogen, C-C-alkyl, C-C-haloalkyl, C-C-alkoxy and C-C-haloalkoxy'}, 'Ris C-C-alkyl or C-C-aryl-C-C-alkyl,'}{'sup': 2', '3, 'sub': 1', '4, 'Rand Rare the same and are selected from C-C-alkyl,'}{'sup': '4', 'sub': 1', '4', '1', '4', '1', '4', '1', '4, 'Ris C-C-alkyl, C-C-haloalkyl, C-C-alkoxy, C-C-haloalkoxy, phenyl or benzyl,'}n is 0, 1 or 2, and{'sup': '5', 'sub': 1', '6', '1', '6, 'each substituent R, if present, is independently selected from the group consisting of halogen, C-C-alkyl and C-C-haloalkyl.'}3: The process according to claim 1 , wherein{'sup': '1', 'Ris methyl, ethyl or n-propyl,'}{'sup': 2', '3, 'Rand Rare methyl,'}{'sup': '4', 'sub': 1', '4, 'Ris C-C-alkyl,'}n is 0, 1 or 2, and{'sup': '5', 'sub': 1', '6, 'each substituent R, if present, is independently selected from the group consisting of halogen and C-C-alkyl.'}6: The process according to claim 1 , wherein the hydrogenation is conducted using hydrogen gas at a pressure of from 1 to 300 bar.7: The process according to claim 1 , wherein the amount of iridium catalyst used is within the range of from 0.001 mol % to 5 mol % claim 1 , based on the amount of the compound of the formula (II).8: The process according to claim 1 , wherein the hydrogenation is conducted at a temperature within the range of from 20° C. to 130° C.9: The process according to claim 1 , wherein the hydrogenation is conducted in presence of a ...

SUPPORTED HYBRID CATALYST SYSTEM FOR ETHYLENE SLURRY POLYMERIZATION AND METHOD FOR PREPARING ETHYLENE POLYMER WITH THE CATALYST SYSTEM

The present invention relates to a supported hybrid catalyst system for ethylene slurry polymerization and a method for preparing ethylene polymer therewith. The supported hybrid catalyst system according to the present invention may exhibit high activity during ethylene slurry polymerization, and enables preparation of an ethylene polymer having a narrow molecular weight distribution but excellent processability. 5. The supported hybrid catalyst system for ethylene slurry polymerization according to claim 1 , wherein the supported hybrid catalyst system further comprises one or more cocatalysts selected from the group consisting of compounds represented by the following Chemical Formulas 7 to 9:{'br': None, 'sup': '71', 'sub': 'c', '—[Al(R)—O]—\u2003\u2003[Chemical Formula 7]'}wherein, in Chemical Formula 7,c is an integer of 2 or more; and{'sup': '71', 'claim-text': {'br': None, 'sup': '81', 'sub': '3', 'D(R)\u2003\u2003[Chemical Formula 8]'}, 'each Ris each independently a halogen, or a C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with a halogen,'}wherein, in Chemical Formula 8,D is aluminum or boron; and{'sup': '81', 'claim-text': {'br': None, 'sup': +', '−, 'sub': '4', '[L—H][Q(E)]\u2003\u2003[Chemical Formula]9'}, 'each Ris independently a halogen, or a C1-20 hydrocarbyl or C1-20 hydrocarbyl group substituted with a halogen,'}wherein, in Chemical Formula 9,L is a neutral Lewis base;[L—H]+ is a Bronsted acid;Q is boron or aluminum in an oxidation state of +3; andeach E is independently a halogen having a hydrogen valence of one or more, or a C6-20 aryl or C1-20 alkyl unsubstituted or substituted with a C1-20 hydrocarbyl, alkoxy, or phenoxy functional group.6. The supported hybrid catalyst system for ethylene slurry polymerization according to claim 5 , wherein the cocatalyst is one or more selected from the group consisting of trimethyl aluminum claim 5 , triethyl aluminum claim 5 , triisopropyl aluminum claim 5 , triisobutyl aluminum claim 5 , ...

PHOSPHORAMIDITE DERIVATIVES IN THE HYDROFORMYLATION OF OLEFIN-CONTAINING MIXTURES

The invention relates to: a) phosphoramidites of formula (I); b) transition-metal-containing compounds of the formula Me(acac)(CO)L, wherein L is selected from formula (I); c) catalytically active compositions in hydroformylation that have the compounds mentioned under a) and b); d) a method for the hydroformylation of unsaturated compounds by using the catalytically active composition mentioned under c); and e) a multi-phase reaction mixture, containing unsaturated compounds, a gas mixture, which comprises carbon monoxide and hydrogen, aldehydes, and the catalytically active composition described under c). 2. Phosphoramidites according to claim 1 , where Q is selected from substituted or unsubstituted 1 claim 1 ,1′-biphenyl claim 1 , 1 claim 1 ,1′-binaphthyl and ortho-phenyl radicals.3. Phosphoramidites according to claim 2 , where Q is selected from substituted or unsubstituted 1 claim 2 ,1′-biphenyl radicals.4. Phosphoramidites according to claim 3 , where Ris selected from C-C-alkyl claim 3 , substituted or unsubstituted cycloalkyl and aryl radicals;{'sup': 2', '1', '2', '1', '2, 'sub': 1', '5, 'Ris selected from C-C-alkyl, substituted or unsubstituted cycloalkyl and aryl radicals, but Rand Rare not i-propyl radicals, or Rand Rtogether with N form a heterocyclic structure via alkylene groups.'}5. Phosphoramidites according to claim 4 , where Ris selected from C-C-alkyl claim 4 , C-C-cycloalkyl and phenyl radicals; Ris selected from C-C-alkyl claim 4 , C-C-cycloalkyl and phenyl radicals claim 4 , but Rand Rare not i-propyl radicals claim 4 , or Rand Rtogether with N form a heterocyclic structure via alkylene groups.8. Transition metal compounds according to claim 7 , where Q is selected from substituted or unsubstituted 1 claim 7 ,1′-biphenyl claim 7 , 1 claim 7 ,1′-binaphthyl and ortho-phenyl radicals.9. Transition metal compounds according to claim 8 , where Q is selected from substituted or unsubstituted 1 claim 8 ,1′-biphenyl radicals.10. Transition metal ...

Dehydrogenation of neat formic acid

A formic acid decomposition catalyst system includes metal-ligand complexes having formula 1: wherein M is a transition metal; R 1 , R 2 are independently C 1-6 alkyl groups; o is 1, 2, 3, or 4; R 3 are independently hydrogen, C 1-6 alkyl groups, OR 14 , NO 2 , or halogen; R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , are independently hydrogen or C 1-6 alkyl groups; R 14 is a C 1-6 alkyl group; and X − is a negatively charge counter ion.

Methods for producing butanol

Methods and compositions for producing 1-butanol are described herein. In some examples, the methods can comprise, contacting a reactant comprising ethanol with a catalyst system, thereby producing a product comprising 1-butanol. The catalyst system can comprise, for example, an iridium catalyst and a nickel, copper, and/or zinc catalyst. The nickel, copper, and zinc catalysts can comprise nickel, copper, and/or zinc and a sterically bulky ligand.

Complexes useful as active components in supported epoxidation catalysts

Method of preparing epoxidation catalysts are disclosed, including methods comprising reacting an inorganic siliceous solid with a metal complex of the formulas: wherein the variables are defined herein.

HETEROGENEOUS CATALYSTS FOR NMR/MRI ENHANCEMENT VIA SIGNAL AMPLIFICATION BY REVERSIBLE EXCHANGE (SABRE)

Heterogeneous iridium catalysts for nuclear spin polarization enhancement in solution via signal amplification by reversible exchange are provided. Also provided are methods for preparing heterogeneous iridium catalysts, and methods of using heterogeneous iridium catalysts for nuclear spin polarization enhancement in solution via signal amplification by reversible exchange. 4. The catalyst of claim 1 , wherein the solid support is selected from a nanoparticle claim 1 , a titanium dioxide nanoparticle claim 1 , silica claim 1 , a polymer microbead claim 1 , and a polystyrene microbead.5. The catalyst of claim 1 , wherein L is a bond.6. The catalyst of claim 1 , wherein L is a linker claim 1 , wherein the linker is derived from an amino acid or 4-dimethylamino-pyridine.7. The catalyst of claim 1 , wherein Ris mesityl.8. The catalyst of claim 1 , wherein Ris mesityl.9. The catalyst of claim 1 , wherein Rand Rare each hydrogen.10. The catalyst of claim 1 , wherein Ris chloro.11. The catalyst of claim 1 , wherein Ris an unsubstituted or substituted pyridinyl.15. The catalyst of claim 14 , wherein the solid support is a TiOnanoparticle. This application claims priority to U.S. Provisional Application No. 62/025,743, filed Jul. 17, 2014, which is herein incorporated by reference in its entirety.This invention was made with government support under Award No. W81XWH-12-1-0159/BC112431 awarded by the Department of Defense; Grant No. 3R00CA134749-03 awarded by the National Institutes of Health; Grant No. 1R21EB018014-01A1 awarded by the National Institutes of Health; Grant No. CHE-1416268 awarded by the National Science Foundation; and Grant No. CHE-1416432 awarded by the National Science Foundation. The Government has certain rights in the invention.The present disclosure relates to heterogeneous catalysts, and more particularly, to preparation and use of heterogeneous iridium catalysts for nuclear spin polarization enhancement in solution via signal amplification by ...

NOVEL CHIRAL NITROGEN-PHOSPHORUS LIGANDS AND THEIR USE FOR ASYMMETRIC HYDROGENATION OF ALKENES

The invention relates to a series of novel chiral nitrogen-phosphorus ligands of formulae (Ia) and (Ib): 2. The compound according to claim 1 , wherein X is O.3. The compound according to claim 1 , wherein X is S.4. The compound according to claim 1 , wherein X is NR.5. The compound according to claim 1 , wherein Ris —(C-C)alkyl selected from —CH claim 1 , —CHCH claim 1 , —CH(CH) claim 1 , —C(CH) claim 1 , —C(CHCH) claim 1 , and —C(CHCH)(CH).6. The compound according to claim 1 , wherein Ris —(C-C)carbocyclyl selected from cyclopentyl claim 1 , cyclohexyl claim 1 , and 1-adamantyl.7. The compound according to claim 1 , wherein Ris —(C-C)aryl selected from phenyl claim 1 , ortho-tolyl claim 1 , para-tolyl claim 1 , 3 claim 1 ,5-dimethylphenyl claim 1 , 3 claim 1 ,5-di-t-butylphenyl claim 1 , 3 claim 1 ,5-di-CF-phenyl claim 1 , ortho-CF-phenyl claim 1 , ortho-anisyl claim 1 , and naphthyl.8. The compound according to claim 1 , wherein Ris H claim 1 , —CHor —OCH.9. The compound according to claim 1 , wherein Ris phenyl claim 1 , naphthyl or anthracene claim 1 , each optionally substituted with 1 to 3 substituents independently selected from —O(C-C)alkyl claim 1 , —(C-C)alkyl claim 1 , and —CF.10. The compound according to claim 1 , wherein Ris —(C-C)alkyl substituted with 1 to 3 (5- to 6-membered)heteroaryl; wherein the (5- to 6-membered)heteroaryl ring is optionally substituted with 1 to 3 Rsubstituents independently selected from —O(C-C)alkyl claim 1 , —(C-C)alkyl claim 1 , phenyl and —CF.11. The compound according to claim 10 , wherein Ris —CH(chiral oxazoline) or —CH(ortho-substituted pyridine) claim 10 , each optionally substituted with 1 to 3 Rsubstituents independently selected from —O(C-C)alkyl claim 10 , —(C-C)alkyl claim 10 , phenyl and —CF.12. The compound according to claim 1 , wherein Rortho-substituted pyridine optionally substituted with 1 to 3 Rsubstituents independently selected from —O(C-C)alkyl claim 1 , —(C-C)alkyl claim 1 , phenyl and —CF.14. The ...

Catalyst complex with carbene ligand

Catalytic complexes including a metal atom having anionic ligands, at least one nucleophilic carbene ligand, and an alkylidene, vinylidene, or allenylidene ligand. The complexes are highly stable to air, moisture and thermal degradation. The complexes are designed to efficiently carry out a variety of olefin metathesis reactions.

Complexes

The present invention provides a complex of formula (1), 2. The complex of claim 1 , wherein M is palladium.3. The complex of claim 1 , wherein Rand Rare tert-butyl.4. The complex of claim 1 , wherein Rand Rare cyclohexyl.5. The complex of claim 4 , wherein Rand Rare phenyl.6. The complex of claim 1 , wherein Rand Rare linked to form a 4- to 7-membered ring.7. The complex of claim 1 , wherein Ris phenyl claim 1 , 2-dimethylaminophenyl claim 1 , 3-dimethylaminophenyl claim 1 , or 4-dimethylaminophenyl.8. The complex of claim 1 , wherein Ris furanyl claim 1 , thiophenyl claim 1 , pyrrolyl claim 1 , pyridinyl claim 1 , or quinolinyl.9. The complex of claim 1 , wherein X is Cl.10. The complex of claim 1 , wherein each Ris independently methyl claim 1 , phenyl claim 1 , or substituted phenyl.12. A method for performing a carbon-carbon coupling reaction or a carbon-nitrogen coupling reaction in the presence of a catalyst claim 1 , the method comprising using a catalyst that is a complex of .13. A method for performing a carbon-carbon coupling reaction or a carbon-nitrogen coupling reaction in the presence of a catalyst claim 2 , the method comprising using a catalyst that is a complex of . This application is a divisional of U.S. patent application Ser. No. 13/806,575, filed Mar. 11, 2013, which is the National Stage of International Patent Application No. PCT/GB2011/051171, filed Jun. 22, 2011, which claims priority from U.S. Provisional Patent Application No. 61/357,744, filed Jun. 23, 2010, the disclosures of each of which are incorporated herein by reference in their entireties for any and all purposes.The present invention relates to transition metal complexes and, in particular, to π-allyl complexes, such as π-allylpalladium and π-allylnickel complexes. The invention also relates to the use of the transition metal complexes in coupling reactions.In many transitions metal mediated reactions, the active catalyst is formed in situ by the additional of a transition ...

Cross-Coupling Reaction Catalysts, and Methods of Making and Using Same

The present invention provides novel transition-metal precatalysts that are useful in preparing active coupling catalysts. In certain embodiments, the precatalysts of the invention are air-stable and moisture-stable. The present invention further provides methods of making and using the precatalysts of the invention. 2. The precatalyst of claim 1 , wherein each occurrence of M is independently selected from the group consisting of Pd claim 1 , Ni claim 1 , and Pt.3. The precatalyst of claim 1 , wherein at least one applies:(a) the two occurrences of M in (I) are identical;(b) the two ligands comprising 5-membered rings are identical;(c) each occurrence of Z is independently selected from the group consisting of CH and CR.46-. (canceled)7. The precatalyst of claim 1 , wherein each occurrence of X is independently selected from the group consisting of triflate claim 1 , pentafluoroethanesulfonate claim 1 , heptafluoropropanesulfonate claim 1 , and nonafluorobutanesulfonate.8. (canceled)11. The precatalyst of claim 9 , wherein M is selected from the group consisting of Pd claim 9 , Ni claim 9 , and Pt.12. (canceled)13. The precatalyst of claim 9 , wherein each occurrence of Z is independently selected from the group consisting of CH and CR.14. The precatalyst of claim 9 , wherein X is selected from the group consisting of triflate claim 9 , pentafluoroethanesulfonate claim 9 , heptafluoropropanesulfonate claim 9 , and nonafluorobutanesulfonate.15. (canceled)16. The precatalyst of claim 9 ,wherein L is selected from the group consisting of 1,3-bis(2,6-diisopropyl phenyl)-1,3-dihydro-2H-imidazol-2-ylidene and 1,3-bis(2,6-bis-(diphenylmethyl)-4-methoxyphenyl)imidazol-2-ylidene, orwherein L is a bidentate phosphine ligand.17. (canceled)18. The precatalyst of claim 16 , wherein L is a bidentate phosphine ligand selected from the group consisting of AmPhos (di-t-butylphosphino-4-dimethylaminobenzene) claim 16 , DavePhos (2-dicyclohexylphosphino-2′-(N claim 16 ,N- ...

Catalysts and Related Processes For Producing Optically Pure Beta-Lactones From Aldehydes and Compositions Produced Thereby

Bi-functional cobalt-containing catalysts useful for making stereospecific compounds and compositions, along with methods of making, and uses thereof in the syntheses of optically pure β-lactones from aldehydes and ketene are described. Precursors, intermediates, compositions, and particular features of the use if the compositions, such as high enantiomeric selectivity, high yield and low mole percent of catalyst useful are provided. 2. The method of claim 1 , wherein R in structure (11) is selected from: 3-FCH—; 3-ClCH—; 2-ClCH—; 2-FCH—; PhCH—; PhCHCH—; n-CH—; or n-CH—.3. The method of claim 1 , wherein the β-lactone (12) has an enantiomeric excess (ee) greater than or equal to about 70%.4. The method of claim 1 , wherein the β-lactone (12) has an enantiomeric excess (ee) greater than or equal to about 99%.5. A method of producing a β-hydroxy ester comprising using at least one β-lactone (12) produced by the method of .6. A process of enantioselectively producing a β-lactone compound claim 1 , the process comprising:enantioselectively converting ketene into an ammonium enolate using a Lewis acid-Lewis base bi-functional catalyst, anddelivering the ammonium enolate into an aldehyde in the presence of the bi-functional catalyst under conditions sufficient to produce a β-lactone compound;wherein the enantioselective conversion of the aldehyde produces the β-lactone compound in an enantiomeric excess (ee) of at least about 90%.9. A composition of matter comprising a compound of and at least one counterion.10. A composition of matter comprising a compound of claim 8 , wherein:{'sub': 1', '4, 'one of Xthrough Xis O-methyl or vinyl, and the remaining three are hydrogen;'}Y is vinyl;{'sub': 1', '4, 'Rthrough Rare isopropyl or t-butyl; and'}{'sub': 6', '4, 'the composition further comprises at least one counterion selected from the group consisting of: SbF— and BF—.'}11. A composition of matter comprising a compound of claim 8 , wherein:{'sub': 1', '2', '4, 'X, X, and Xare ...

Butyl-bridged diphosphine ligands for alkoxycarbonylation

The invention relates to compounds of formula (I) where R 1 , R 2 , R 3 , R 4 are each independently selected from —(C 1 -C 12 )-alkyl, —(C 3 -C 12 )-cycloalkyl, —(C 3 -C 12 )-heterocycloalkyl, —(C 6 -C 20 )-aryl, —(C 3 -C 20 )-heteroaryl; at least one of the R 1 , R 2 , R 3 , R 4 radicals is a —(C 3 -C 20 )-heteroaryl radical; and R 1 , R 2 , R 3 , R 4 , if they are —(C 1 -C 12 )-alkyl, —(C 3 -C 12 )-cycloalkyl, —(C 3 -C 12 )-heterocycloalkyl, —(C 6 -C 20 )-aryl or —(C 3 -C 20 )-heteroaryl, may each independently be substituted by one or more substituents selected from —(C 1 -C 12 )-alkyl, —(C 3 -C 12 )-cycloalkyl, —(C 3 -C 12 )-heterocycloalkyl, —O—(C 1 -C 12 )-alkyl, —O—(C 1 -C 12 )-alkyl-(C 6 -C 20 )-aryl, —O—(C 3 -C 12 )-cycloalkyl, —S—(C 1 -C 12 )-alkyl, —S—(C 3 -C 12 )-cycloalkyl, —COO—(C 1 -C 12 )-alkyl, —COO—(C 3 -C 12 )-cycloalkyl, —CONH—(C 1 -C 12 )-alkyl, —CONH—(C 3 -C 12 )-cycloalkyl, —CO—(C 1 -C 12 )-alkyl, —CO—(C 3 -C 12 )-cycloalkyl, —N—[(C 1 -C 12 )-alkyl] 2 , —(C 6 -C 20 )-aryl, —(C 6 -C 20 )-aryl-(C 1 -C 12 )-alkyl, —(C 6 -C 20 )-aryl-O—(C 1 -C 12 )-alkyl, —(C 3 -C 20 )-heteroaryl, —(C 3 -C 20 )-heteroaryl-(C 1 -C 12 )-alkyl, —(C 3 -C 20 )-heteroaryl-O-(C 1 -C 12 )-alkyl, —COOH, —OH, —SO 3 H, —NH 2 , halogen; and to the use thereof as ligands in alkoxycarbonylation.

Z-SELECTIVE OLEFIN METATHESIS CATALYSTS AND THEIR SYNTHETIC PROCEDURE

The invention relates to C—H activated olefin metathesis catalyst compounds, the preparation of such compounds, and the use of such catalysts in the metathesis of olefins and olefin compounds, more particularly, the use of such catalysts in Z selective olefin metathesis reactions. In general, the catalyst compounds of the invention comprise a Group 8 metal (M), an alkylidene moiety (═CRR), or more generally (═(C)CRR), an anionic ligand (X), two or three neutral ligands (L, L, and L) and a 2-electron anionic donor bridging moiety (Q*) that forms a chelate ring structure in conjunction with L1 and M. Such catalysts generally correspond to the formula X(L)LLQ*M=(C)CRR, wherein X1 is any anionic ligand, L, L, and Lare, independently, any neural electron donor ligand, k is 0 or 1, m is 0, 1, or 2, Q* is a 2-electron anionic donor bridging moiety linking Land M, M is a Group 8 transition metal, and Rand Rare, independently, hydrogen, hydrocarbyl, substituted hydrocarbyl, heteroatom-containing hydrocarbyl, substituted heteroatom-containing hydrocarbyl, or functional groups. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and industrial and fine chemicals chemistry. 1. A C—H activated olefin metathesis catalyst compound comprising a Group 8 transition metal center M , a neutral 2-electron donor ligand L , and a 2-electron anionic bridging moiety Q* , wherein M , L , and Q* form an M-Q*-Lchelating ligand ring structure having a ring size of 5 , 6 , or 7 atoms.2. The compound of claim 1 , wherein the compound has the structure of formula (I):{'br': None, 'sup': 1', '2', '1', '1', '2, 'sub': 3', 'n', 'k', 'm, 'X(L)(L)LQ*M=(C)CRR\u2003\u2003(I)'}{'sup': 1', '1', '2', '3', '1', '1', '2, 'wherein Xis any anionic ligand, L, L, and Lare, independently, any neutral electron donor ligand, n and k are, independently, 0 or 1, m is 0, 1, or 2, Q* is a 2-electron anionic donor bridging moiety linking Land M, M is a Group 8 transition metal, and ...

METHOD FOR IN-SITU FORMATION OF METATHESIS CATALYSTS

Synthetic methods for the in-situ formation of olefin metathesis catalysts are disclosed, as well as the use of such catalysts in metathesis reactions of olefins and olefin compounds. In one aspect, a method is provided for synthesizing an organometallic compound of the formula 2. The compound of claim 1 , wherein M is Ru or Os.3. The compound of claim 1 , wherein L claim 1 , L claim 1 , and Lare independently selected from phosphine claim 1 , sulfonated phosphine claim 1 , phosphite claim 1 , phosphinite claim 1 , phosphonite claim 1 , arsine claim 1 , stibine claim 1 , ether claim 1 , amine claim 1 , amide claim 1 , imine claim 1 , sulfoxide claim 1 , carboxyl claim 1 , nitrosyl claim 1 , pyridine claim 1 , substituted pyridine claim 1 , imidazole claim 1 , substituted imidazole claim 1 , pyrazine claim 1 , thioether claim 1 , and thiocarbonyl.4. The compound of claim 3 , wherein the phosphine is of the formula PRRR claim 3 , wherein R claim 3 , R claim 3 , and Rare each independently selected from aryl claim 3 , substituted aryl claim 3 , alkyl claim 3 , substituted alkyl claim 3 , cycloalkyl claim 3 , substituted cycloalkyl claim 3 , heterocycles claim 3 , and substituted heterocycles.5. The compound of claim 1 , wherein Xand Xare independently selected from hydrogen claim 1 , halide claim 1 , C-Calkyl claim 1 , C-Caryl claim 1 , C-Calkoxy claim 1 , C-Caryloxy claim 1 , C-Calkoxycarbonyl claim 1 , C-Caryloxycarbonyl claim 1 , C-Cacyl claim 1 , C-Cacyloxy claim 1 , C-Calkylsulfonato claim 1 , C-Carylsulfonato claim 1 , C-Calkylsulfanyl claim 1 , C-Carylsulfanyl claim 1 , C-Calkylsulfinyl claim 1 , or C-Carylsulfinyl claim 1 , any of which claim 1 , with the exception of hydrogen and halide claim 1 , are optionally further substituted with one or more groups selected from halide claim 1 , C-Calkyl claim 1 , C-Calkoxy claim 1 , and C-Caryl.9. A method of performing an olefin metathesis reaction claim 1 , comprising contacting the compound of with an olefin.10. The ...

FERROCENE-BASED COMPOUNDS AND PALLADIUM CATALYSTS BASED THEREON FOR THE ALKOXYCARBONYLATION OF ETHYLENICALLY UNSATURATED COMPOUNDS

The invention relates to a compound of formula (I) 2. Compound according to claim 1 ,{'sup': 1', '3, 'where Rand Rare each independently selected from furyl, thienyl, 2-pyrrolyl, 4-imidazolyl, oxazolyl, isoxazolyl, thiazolyl, isothiazolyl, pyrazolyl, furazanyl, tetrazolyl.'}3. Compound according to claim 1 ,{'sup': 1', '3, 'where Rand Rare each independently selected from furyl and thienyl.'}4. Compound according to claim 1 ,{'sup': 2', '4, 'sub': 1', '12', '3', '12', '6', '20, 'where Rand Rare each independently selected from —(C-C)-alkyl, —(C-C)-cycloalkyl and —(C-C)-aryl.'}5. Compound according to claim 1 ,{'sup': 2', '4, 'sub': 1', '12, 'where Rand Rare each —(C-C)-alkyl.'}6. Compound according to claim 1 ,{'sup': 1', '3, 'where Rand Rmay each independently be substituted by one or more substituents selected from'}{'sub': 1', '12', '3', '12', '1', '12', '1', '12', '6', '20', '3', '12', '6', '20', '6', '20', '1', '12', '6', '20', '1', '12, '—(C-C)-alkyl, —(C-C)-cycloalkyl, —O—(C-C)-alkyl, —O—(C-C)-alkyl-(C-C)-aryl, —O—(C-C)-cycloalkyl, —(C-C)-aryl, —(C-C)-aryl-(C-C)-alkyl, —(C-C)-aryl-O—(C-C)-alkyl.'}7. Compound according to claim 1 ,{'sup': 3', '4, 'sub': 1', '12', '3', '12', '3', '12', '6', '20, 'where Rand R, if they are —(C-C)-alkyl, —(C-C)-cycloalkyl, —(C-C)-heterocycloalkyl or —(C-C)-aryl,'}{'sub': 1', '12', '3', '12', '1', '12', '1', '12', '6', '20', '3', '12', '6', '20', '6', '20', '1', '12', '6', '20', '1', '12, 'may each independently be substituted by one or more substituents selected from —(C-C)-alkyl, —(C-C)-cycloalkyl, —O—(C-C)-alkyl, —O—(C-C)-alkyl-(C-C)-aryl, —O—(C-C)-cycloalkyl, —(C-C)-aryl, —(C-C)-aryl-(C-C)-alkyl, —(C-C)-aryl-O—(C-C)-alkyl.'}10. Complex comprising Pd and a compound according to .12. Process according to claim 11 ,wherein the ethylenically unsaturated compound is selected from ethene, propene, 1-butene, cis- and/or trans-2-butene, isobutene, 1,3-butadiene, 1-pentene, cis- and/or trans-2-pentene, 2-methyl-1-butene, 3-methyl-1- ...

FERROCENE-BASED COMPOUNDS AND PALLADIUM CATALYSTS BASED THEREON FOR THE ALKOXYCARBONYLATION OF ETHYLENICALLY UNSATURATED COMPOUNDS

The invention relates to a compound of formula (I) 2. Compound according to claim 1 ,{'sup': 1', '2', '3', '4, 'sub': 6', '20, 'where at least two of the R, R, R, Rradicals are a —(C-C)-heteroaryl radical having at least six ring atoms.'}3. Compound according to claim 1 ,{'sup': 1', '3, 'sub': 6', '20, 'where the Rand Rradicals are each a —(C-C)-heteroaryl radical having at least six ring atoms.'}4. Compound according to claim 1 ,{'sup': 1', '3, 'sub': 6', '20, 'where the Rand Rradicals are each a —(C-C)-heteroaryl radical having at least six ring atoms;'}{'sup': '2', 'sub': 6', '20', '1', '12', '3', '12', '3', '12', '6', '20, 'Ris —(C-C)-heteroaryl having at least six ring atoms or is selected from —(C-C)-alkyl, —(C-C)-cycloalkyl, —(C-C)-heterocycloalkyl, —(C-C)-aryl;'}{'sup': '4', 'sub': 1', '12', '3', '12', '3', '12', '6', '20, 'and Ris selected from —(C-C)-alkyl, —(C-C)-cycloalkyl, —(C-C)-heterocycloalkyl, —(C-C)-aryl.'}5. Compound according to claim 1 ,{'sup': 1', '3, 'sub': 6', '20, 'where the Rand Rradicals are each a —(C-C)-heteroaryl radical having at least six ring atoms;'}{'sup': 2', '4, 'sub': 1', '12', '3', '12', '3', '12', '6', '20, 'and Rand Rare selected from —(C-C)-alkyl, —(C-C)-cycloalkyl, —(C-C)-heterocycloalkyl, —(C-C)-aryl.'}6. Compound according to claim 1 ,{'sup': 1', '3, 'sub': 6', '20, 'where the Rand Rradicals are each a —(C-C)-heteroaryl radical having at least six ring atoms;'}{'sup': 2', '4, 'sub': 1', '12, 'and Rand Rare —(C-C)-alkyl.'}7. Compound according to claim 1 ,{'sup': 1', '2', '3', '4, 'where R, R, R, R, if they are a heteroaryl radical, are each independently selected from pyridyl, pyridazinyl, pyrimidyl, pyrazinyl, benzofuranyl, indolyl, isoindolyl, benzimidazolyl, quinolyl, isoquinolyl.'}10. Complex comprising Pd and a compound according to .12. Process according to claim 11 ,wherein the ethylenically unsaturated compound is selected from ethene, propene, 1-butene, cis- and/or trans-2-butene, isobutene, 1,3-butadiene, 1- ...

Catalyst and method for fractionating lignocellulosic material

Various embodiments disclosed relate to solid catalysts that convert lignocellulosic material to monomer sugars that are suitable for fermentation. The solid catalysts include a transition metal complex attached to a magnetic bead, and can be physically separated from a fermentation mixture and reused several times.

Method for Preparation of Fluoro Alkylated Compounds by Homogeneous NI Catalysis

The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base. 2. The method according to claim 1 , wherein{'sub': '3', 'LIG is compound of formula (DPEPhos) or PhP.'}3. The method according to claim 1 , wherein{'sub': 2', '3', '3', '4, 'BAS is selected from the group consisting of CsCO, KPO, NaH and NaOtBu.'}5. The method according to claim 1 , wherein by 1, 2 or 3 in case of COMPSUBST-I being a monocyclic compound with 5 endocyclic atoms,', 'by 1, 2, 3, 4 or 5 in case of COMPSUBST-I being a monocyclic compound with 6 endocyclic atoms,', 'by 1, 2, 3 or 4 in case of COMPSUBST-I being a bicyclic compound wherein a 5-membered and a 6-membered ring are ortho-fused,', 'by 1, 2, 3, 4 or 5 in case of COMPSUBST-I being a bicyclic compound wherein two 6-membered rings are ortho-fused,, 'COMPSUBST-I is unsubstituted or substituted'}{'sub': 1-4', '3', '2', 'm', '2, 'identical or different substituents independently from each other selected from the group consisting of Calkyl, CM alkoxy, OH, C(H)═O, N(R10)R11, CN, F, Cl, Br, CF, (CH)—C(O)Y1, and S(O)R50;'}{'sub': '1-4', 'said Calkyl substituent of COMPSUBST-I is unsubstituted or substituted with 1, 2 or 3 identical or different substituents selected from the group consisting of halogen;'}{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'with R10, R11, m, Y1, R50 and halogen as defined in .'}7. The method according to claim 1 , wherein{'sub': 1-20', '2', 'n3', '2, 'FAHALIDE is selected from the group consisting of perfluoro Calkyl-X1, Br—(CF)—Br, and FHC—X1;'}with n3 being an integer of 2 to 10.8. The method according to claim 1 , whereinn3 is 2, 3, 4, 5, 6.9. The method according to claim 1 , wherein{'sub': 21', '10', '21', '10', '17', '8', '17', '8', '13', '6', '13', '6', '9', '4', '9', '4', '7', '3', '7', '3', '3', '3', '2', '4', '2', '2, 'FAHALIDE is selected from the group consisting of FC—I, FC—Br, FC—I, ...

CATALYST COMPOSITIONS AND THEIR USE FOR HYDROGENATION OF NITRILE RUBBER

This invention relates to novel catalyst compositions based on Ruthenium- or Osmium-based complex catalysts of the Grubbs-Hoveyda, Grela or Zhan type and specific co-catalysts comprising at least one vinyl group, pref. ethyl vinyl ether, and to a process for selectively hydrogenating nitrile rubbers in the presence of such catalyst compositions, preferably with a preceding metathesis step using the same complex catalyst as in the hydrogenation step. 2. The catalyst composition according to wherein the co-catalyst has the general formula (1){'br': None, 'sub': '2', 'CH═CRR′\u2003\u2003(1)'}in which R and R′ are identical or different and shall meanhydrogen or{'sup': 1', '1', '2', '2', '2', '3', '4, 'sub': 2', '2', 'n', 'm', '2', 'n', 'm', '2', '2', 'p', '2, 'claim-text': wherein', {'sup': '2', 'X is identical or different and means oxygen (O) or NR'}, {'sup': '2', 'Rare identical or different and represent H, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, or heteroaryl,'}, {'sup': '3', 'sub': 1', '8', '2', 'n', '2, 'Rare identical or different and represent C-Calkyl or —(CH)—O—CH═CH,'}, {'sup': '4', 'sub': 2', 'p', '2, 'Rrepresents (CH)—O—CH═CH,'}, 'n is in the range of from 1 to 5,', 'm is in the range of from 1 to 10,', 'p is in the range of from 0 to 5, or', {'sup': 1', '1', '2', '2, 'sub': 2', 'q, 'where in the alternative, if R and R′ both represent a group OR, both Rmay be linked to each other and together represent a divalent group —(C(R))— with q being 2, 3 or 4 and Rbeing identical or different and having the above defined meanings, or'}], 'ORwherein Rshall mean alkyl, cycloalkyl, alkenyl, alkynyl, aryl, or heteroaryl, C(═O)(R), —C(═O)N(R), —[(CH)—X]R, —[(CH)—X]—CH═CH, or —(CH)—C(R)R'}{'sup': 5', '5', '5, 'sub': '2', 'SR, SOR, SOR'}{'sup': '5', 'wherein Rrepresents alkyl, cycloalkyl, alkenyl, alkynyl, aryl, or heteroaryl, or'}{'sup': 6', '7', '6', '7, 'N(RR), P(RR)'}{'sup': 6', '7', '2, 'wherein Rand Rare identical or different and shall mean alkyl, cycloalkyl, ...

LIGANDS FOR RHODIUM CATALYZED REDUCTIVE CARBONYLATION OF ALCOHOLS

A catalytic system for reductive carbonylation of an alcohol that includes a rhodium complex, an iodide-containing catalyst promoter, and a supporting phosphorus-containing bidentate ligand for the rhodium complex containing at least one aromatic substituent covalently attached to at least one phosphorus of the supporting phosphorus-containing bidentate ligand in an ortho position with an alkoxy substituent or an aryloxy substituent. 1. A catalytic system for reductive carbonylation of an alcohol comprising:a rhodium complex;an iodide-containing catalyst promoter; anda supporting phosphorus-containing bidentate ligand for the rhodium complex containing at least one aromatic substituent covalently attached to at least one phosphorus of the supporting phosphorus-containing bidentate ligand, where the at least one aromatic substituent is substituted in an ortho position with an alkoxy substituent or an aryloxy substituent, and where the reductive carbonylation of the alcohol with carbon monoxide gas and hydrogen gas and the iodide-containing catalyst promoter by the catalytic system produces an aldehyde, an acetal, or a combination thereof.3. The catalytic system of claim 2 , where the linking group claim 2 , L claim 2 , is selected from the group consisting of (a) a hydrocarbylene having a chain linking the Pand Patoms of 1 to 4 carbon atoms optionally substituted with R claim 2 , (b) a heterohydrocarbylene having a chain linking the Pand Patoms of 1 to 4 atoms each independently a C or a heteroatom optionally substituted with Rand (c) a ferrocenyl group.4. The catalytic system of claim 3 , where L is a hydrocarbylene having 2 or 3 carbon atoms.6. The catalytic system of claim 1 , where the alcohol is selected from the group consisting of methanol and ethanol.7. The catalytic system of claim 1 , where the iodide-containing catalyst promoter is methyl iodide.8. A method of methanol homologation to ethanol comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claims 1'}, 'b ...

NOVEL IMINES WITH TUNABLE NUCLEOPHILICITY AND STERIC PROPERTIES THROUGH METAL COORDINATION: APPLICATIONS AS LIGANDS AND METALLOORGANOCATALYSTS

The invention describes phospho-amino pincer-type ligands, metal complexes thereof, and catalytic methods comprising such metal complexes for conversion of carbon dioxide to methanol, conversion of aldehydes into alcohols, conversion of aldehydes in the presence of a trifluoromethylation agent into trifluorinated secondary alcohols, cycloaddition of carbon dioxide to an epoxide to provide cyclic carbonates or preparation of an amide from the combination of an alcohol and an amine. 2. The composition of claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , and Rare each a alkyl claim 1 , each Z is CH and Ris a hydrogen atom.3. The composition of claim 2 , wherein R claim 2 , R claim 2 , R claim 2 , and Rare each a Calkyl.4. The composition of claim 2 , wherein Ris a methyl group or a hydrogen.5. The composition of claim 1 , wherein X is a hydride.6. The composition of claim 1 , wherein X is a halide.7. The composition of claim 1 , wherein the base is an organic base.8. The composition of claim 7 , wherein the organic base is an amine or an alkoxide.9. The composition of claim 8 , wherein the amine is an alkylamine comprising NRRR claim 8 , wherein R claim 8 , R claim 8 , and Rare each independently a hydrogen atom claim 8 , alkyl claim 8 , aryl claim 8 , aralkyl claim 8 , or a substituted version of any one of these groups claim 8 , wherein one or more of R claim 8 , R claim 8 , and Rcan form a ring or an aromatic amine.10. The composition of claim 9 , wherein the aromatic amine is pyridine. This International Application claims priority to U.S. Provisional Patent Application Ser. No. 62/049,022, filed Sep. 11, 2014, entitled “Novel Imines with tunable nucleophilicity and steric properties through metal coordination: Applications as ligands and Metalloorganocatalysts”, the contents of which are incorporated herein in their entirety for all purposes.The present invention relates generally to the field of chemistry and catalysis. More particularly, it relates to ...

HYBRID SUPPORTED METALLOCEN CATALYST, METHOD FOR PREPARING OLEFIN POLYMER BY USING SAME, AND OLEFIN POLYMER HAVING IMPROVED MELT STRENGTH

The invention relates to: a hybrid supported metallocene catalyst includes at least one first metallocene compound among the compounds represented by chemical formula 1, at least one second metallocene compound among the compounds represented by chemical formula 2 and a cocatalyst compound; a method for preparing an ethylene-α-olefin copolymer, comprising polymerizing olefin monomers in the presence thereof; and an ethylene-α-olefin copolymer having improved melt strength. 2. The hybrid metallocene-supported catalyst of claim 1 ,{'sub': n', 'n+1', '1-15', '1-4', 'n', 'n+1', '2-10', '3-6', '6-14, 'wherein, in Chemical Formula 1, among Rm-*s (m is 1 to 10), two adjacent R—* and R—* (n is 1 to 9) form an unsubstituted or substituted single or multiple ring compound of Cwith an alky group of C, and Rm-*s other than R—* and R—* are each independently one of H—*, an alkyl group of C, a cycloalkyl group of C, and an aryl group of C.'}3. The hybrid metallocene-supported catalyst of claim 1 ,{'sub': n', 'n+1', '1-15', '1-4', 'n', 'n+1', '2-10', '3-6', '6-14, 'wherein, in Chemical Formula 2, among Rm-*s (m is 1 to 12), two adjacent R—* and R—* (n is 1 to 11) form an unsubstituted or substituted single or multiple ring compound of Cwith an alky group of C, and Rm-*s other than R—* and R—* are each independently one of *—H—, an alkyl group of C, a cycloalkyl group of C, and an aryl group of C.'}5. The hybrid metallocene-supported catalyst of claim 1 ,wherein a sum of an amount of the first metallocene compound to be supported and an amount of the second metallocene compound to be supported is 0.5 parts by weight to 3.0 parts by weight based on 1 g of the carrier, andan amount of the co-catalyst compound to be supported is 20 parts by weight to 30 parts by weight based on 1 g of the carrier.6. A method of preparing an olefin polymer claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'polymerizing olefin monomers in the presence of the hybrid metallocene- ...

Catalyst Systems and Polymerization Processes for Using the Same

A catalyst system including the product of the combination of an unbridged Group 4 metallocene compound and a 2,6-bis(imino)pyridyl iron complex is provided. A process for the polymerization of monomers (such as olefin monomers) and a polymer produced therefrom are also provided. 1. An ethylene copolymer composition comprising 90 wt % or more of ethylene derived units and from 6 wt % to 10 wt % Cto Cα-olefin derived units , based on the total weight of the ethylene composition;{'sup': '3', 'wherein the ethylene copolymer composition has density within the range from 0.910 to 0.960 g/cmand a ratio of weight average molecular weight to number-average molecular weight (Mw/Mn) of greater than 3; and'}further wherein the ethylene copolymer composition has one or more of the following properties:a mole-basis reversed comonomer index (RCI,m) within the range from 150 to 500;a comonomer distribution ratio (CDR-2,m) within the range from 1 to 4; and{'sub': 75', '25, 'a composition distribution breadth (T-Tvalue as measured by TREF) within the range from 15 to 50° C.'}2. The ethylene copolymer composition of claim 1 , wherein the Cto Cα-olefin derived units are selected from the group consisting of 1-butene claim 1 , 1-hexene claim 1 , 1-octene claim 1 , and combinations thereof.3. The ethylene copolymer composition of claim 1 , having T-Tvalue as measured by TREF greater than 30° C.4. The ethylene copolymer composition of claim 1 , having both (1) RCI claim 1 ,m within the range from 150 to 500 and (2) CDR-2 claim 1 ,m within the range from 1 to 4.5. The ethylene copolymer composition of claim 1 , further having one or more of the following properties:(a) weight average molecular weight (Mw) within the range from 75,000 to 200,000 g/mol;(b) ratio of z-average molecular weight to weight average molecular weight (Mz/Mw) within the range from 1 to 10; and{'sub': 'vis', '(c) g′greater than 0.9.'}6. The ethylene copolymer composition of claim 5 , having all of the properties (a ...

Methods for Determining Transition Metal Compound Concentrations in Multicomponent Liquid Systems

Methods for determining the concentration of transition metal compounds in a solution containing more than one transition metal compound are described. Polymerization reactor systems providing real-time monitoring and control of the concentrations of the transition metal components of a multicomponent catalyst system are disclosed, as well as methods for operating such polymerization reactor systems and for improving methods of preparing the multicomponent catalyst system.

Catalyst for recycling a plastic

A catalyst for recycling a plastic chosen from polyethylene, polypropylene, polystyrene, and combinations thereof includes a porous support having an exterior surface and at least one pore therein, a depolymerization catalyst component comprising a metallocene catalyst disposed on the exterior surface of the porous support, and a reducing catalyst component disposed in the at least one pore. The exterior surface of the porous support comprises less than 10 parts by weight of the reducing catalyst component based on 100 parts by weight of the depolymerization catalyst component as determined using Energy Dispersive X-Ray Spectroscopy (EDS). Moreover, the reducing catalyst component comprises a transition metal selected from the group of iron, nickel, palladium, platinum, and combinations thereof. The at least one pore in the porous support has an average pore size of 10 Angstroms.

IN-SITU GENERATION OF RUTHENIUM CATALYSTS FOR OLEFIN METATHESIS

The present invention relates to a process for preparing olefins by means of metathesis, which comprises the following steps 2. The process according to claim 1 , wherein the anionic ligands X are identical and are each chlorine and Lis selected from the group consisting of nitrogen bases claim 1 , phosphanes claim 1 , phosphinites claim 1 , phosphonites claim 1 , phosphites and arsanes.3. The process according to claim 2 , wherein Lis selected from the group consisting of benzene claim 2 , toluene claim 2 , xylene claim 2 , cymene claim 2 , trimethylbenzene claim 2 , tetramethylbenzene claim 2 , hexamethylbenzene claim 2 , tetrahydronaphthalene and naphthalene claim 2 , and Lis selected from the group consisting of N-heterocyclic carbenes and phosphanes.4. The process according to claim 3 , wherein Lis selected from the group consisting of P(phenyl) claim 3 , P(cyclohexyl)and N-heterocyclic carbenes of the formula VI claim 3 , VII claim 3 , VIII claim 3 , IX claim 3 , X and XI.6. The process according to claim 5 , wherein the ruthenium compound is a compound of the general formula RuXLL(II) claim 5 , wherein the anionic ligands X are identical and are each chlorine and Lis selected from the group consisting of N-heterocyclic carbenes and phosphanes.7. The process according to claim 6 , wherein Lis selected from the group consisting of benzene claim 6 , toluene claim 6 , xylene claim 6 , cymene claim 6 , trimethylbenzene claim 6 , tetramethylbenzene claim 6 , hexamethylbenzene claim 6 , tetrahydronaphthalene and naphthalene claim 6 , and Lis selected from the group consisting of P(cyclohexyl)and the N-heterocyclic carbenes of the formulae VI claim 6 , VII claim 6 , VIII claim 6 , IX claim 6 , X and XI.8. The process according to claim 7 , wherein the ruthenium compound is selected from the group consisting of compounds of the formulae A claim 7 , B and C.9. The process according to claim 5 , wherein the ruthenium compound is a compound of the general formula RuXL( ...

METALLATED METAL-ORGANIC FRAMEWORKS

Porous metal-organic frameworks (MOFs) and metallated porous MOFs are provided. Also provided are methods of metallating porous MOFs using atomic layer deposition and methods of using the metallated MOFs as catalysts and in remediation applications. 1. A method of metallating a porous metal-organic framework comprising inorganic nodes and organic linkers , the method comprising depositing a film comprising a metal on the surfaces within the pores of the metal-organic framework via atomic layer deposition.2. The method of claim 1 , wherein the inorganic nodes of the metal-organic framework comprise zirconium.3. The method of claim 1 , wherein the film comprises zinc or aluminum.4. The method of claim 1 , wherein the film comprises only a single metal element.5. The method of claim 1 , wherein the film comprises a binary combination of metals.6. The method of claim 1 , wherein the film comprises a metal oxide.7. The method claim 1 , wherein the metal-organic framework comprises channels having an average pore size in the range from about 2 to about 50 nm.8. The method of claim 1 , wherein the surfaces within the pores of the porous metal-organic framework are functionalized with hydroxyl groups.9. The method of claim 2 , wherein the metal-organic framework comprises channels having an average pore size in the range from about 2 to about 50 nm.10. The method of claim 1 , wherein the inorganic nodes comprise an octahedral Zrcluster capped by eight μ-ligands and have eight octahedral edges claim 1 , the linkers comprise 1 claim 1 ,3 claim 1 ,6 claim 1 ,8-tetrakis(p-benzoic acid)pyrene units claim 1 , and eight of the octahedral edges are connected to the 1 claim 1 ,3 claim 1 ,6 claim 1 ,8-tetrakis(p-benzoic acid)pyrene units and further wherein the μ-ligands are hydroxo ligands claim 1 , oxo ligands or aquo ligands.11. The method of claim 10 , wherein the μ-ligands comprise hydroxo ligands.12. A metal-organic framework comprising a porous metal-organic framework ...

HIGHLY EFFICIENT PROCESS FOR THE PREPARATION OF SITAGLIPTIN VIA RHODIUM CATALYZED ASYMMETRIC HYDROGENATION

The present invention provides highly efficient process for the preparation of enantiomerically enriched Sitagliptin of Formula (Ia). More particularly, a direct rhodium catalyzed asymmetric hydrogenation in the presence of bis-phosphine chiral ligand has been developed to yield enantiopure Sitagliptin product with the highest enantiomeric excess of 85-99.9%. 14-. (canceled)6. The process of claim 5 , wherein the rhodium catalyst is [Rh(COD)OTf].7. The process of claim 6 , wherein the additive is selected from the group consisting of salicylic acid claim 6 , acetic acid claim 6 , ammonium chloride claim 6 , phosphoric acid claim 6 , ammonium salicylate claim 6 , tetramethyl ammonium iodide claim 6 , tetraethyl ammonium iodide claim 6 , tetra butyl ammonium bromide claim 6 , butyl phosphoric acid claim 6 , dibutyl phosphate claim 6 , and tributyl phosphate.8. The process of claim 6 , wherein the solvent is selected from the group consisting of methanol claim 6 , dichloromethane claim 6 , tetrahydrofuran claim 6 , trifluoroethanol claim 6 , toluene claim 6 , 1 claim 6 ,4-dioxane claim 6 , and ethyl acetate. This application is a national-stage application under 35 U.S.C. § 371 of International Application No. PCT/IN2019/050896, filed Dec. 9, 2019, which International Application claims benefit of priority to Indian Application No. 201811046767, filed Dec. 11, 2018.The present disclosure provides highly efficient process for the preparation of enantiomerically enriched Sitagliptin. More particularly, a direct rhodium catalyzed asymmetric hydrogenation in the presence of bis-phosphine chiral ligand has been developed to yield enantiopure Sitagliptin product with the highest enantiomeric excess of 85-99.9%.Beta amino acids and its derivatives have lot of medicinal significance. Beta amino acids are also present in peptides and different heterocycles. In beta amino acids, the amino group is linked to the beta carbon. Different free forms and derivatives of beta amino acid ...

PROCESS FOR THE CATALYTIC REVERSIBLE ALKENE-NITRILE INTERCONVERSION

The present invention refers to processes for catalytic reversible alkene-nitrile interconversion through controllable HCN-free transfer hydrocyanation. 2. Process according to claim 1 , wherein R claim 1 , R claim 1 , Rand Rcan be the same or different and each independently represents H claim 1 , aryl claim 1 , aralkyl claim 1 , heteroaryl claim 1 , heteroaralkyl claim 1 , each being optionally substituted by one or more groups selected from straight chain or branched chain alkyl claim 1 , cycloalkyl claim 1 , heterocycloalkyl claim 1 , alkenyl claim 1 , alkynyl claim 1 , aryl claim 1 , aralkyl claim 1 , heteroaryl claim 1 , heteroaralkyl or a heterosubstituent claim 1 , or a heterosubstituent claim 1 , or Rand Rform a bond; wherein at least one of R claim 1 , R claim 1 , Rand Ris not hydrogen.3. Process according to claim 1 , wherein R claim 1 , R claim 1 , Rand Rcan be the same or different and each independently represents H claim 1 , straight chain or branched chain alkyl claim 1 , cycloalkyl claim 1 , heterocycloalkyl claim 1 , each being optionally substituted by one or more groups selected from straight chain or branched chain alkyl claim 1 , cycloalkyl claim 1 , heterocycloalkyl claim 1 , alkenyl claim 1 , alkynyl claim 1 , aryl claim 1 , aralkyl claim 1 , heteroaryl claim 1 , heteroaralkyl or a heterosubstituent claim 1 , or a heterosubstituent claim 1 , or at least two of R claim 1 , R claim 1 , Rand Rmay each form a cyclic 3 to 20 membered hydrocarbon ring structure which may further be substituted by one or more groups selected from alkyl claim 1 , cycloalkyl claim 1 , heterocycloalkyl claim 1 , aryl claim 1 , heteroaryl or heterosubstituent claim 1 , and optionally having any of O claim 1 , S claim 1 , N in the straight chain claim 1 , branched chain or cyclic structure claim 1 , wherein optionally at least one of R claim 1 , R claim 1 , Rand Ris not hydrogen.4. Process according to claim 3 , wherein R claim 3 , R claim 3 , Rand Rcan be the same or ...

PHOSPHINE SUBSTITUTED FERROCENYL COMPLEX

A functionalized magnetic nanoparticle including an organometallic sandwich compound and a magnetic metal oxide. The functionalized magnetic nanoparticle may be reacted with a metal precursor to fol in a catalyst for various C—C bond forming reactions. The catalyst may be recovered with ease by attracting the catalyst with a magnet. 2. (canceled)3. The complex of claim 1 , wherein Ris an optionally substituted alkyl.4. The complex of claim 1 , wherein Ris an optionally substituted aryl.5. The complex of claim 1 , wherein X is NH.620-. (canceled) This application claims the priority of the filing date of the U.S. Provisional Patent Application No. 62/406,449 filed Oct. 11, 2016, the disclosure of which is hereby incorporated herein by reference in its entirety.This project was funded by the National Plan for Science, Technology and Innovation (MAARIFAH)-King Abdulaziz City for Science and Technology through the Science and Technology Unit at King Fahd University of Petroleum and Minerals (KFUPM), the Kingdom of Saudi Arabia, award number 15-NAN4650-04.Aspects of this technology are described in an article “Magnetic nanoparticle-supported ferrocenylphosphine: a reusable catalyst for hydroformylation of alkene and Mizoroki-Heck olefination” by M. Nasiruzzaman Shaikh, Md. Abdul Aziz, Aasif Helal, Mohamed Bououdina, Zain H. Yamania, and Tae-Jeong Kim, in RSC Advances, 2016, pages 41687-41695, which is incorporated herein by reference in its entirety.The present disclosure relates to a functionalized magnetic nanoparticle including an organometallic sandwich compound and a functional group which can bind to a nanoparticle. The disclosure also relates to a magnetic catalyst which catalyzes C—C bond forming reactions such as hydroformylation and the Mizoroki-Heck coupling reaction.Carbon-carbon bond formation reactions mediated by various transition metals have emerged as increasingly important methodologies for the preparation of numerous organic building blocks for drugs, ...

POLYMERIZATION CATALYSTS WITH IMPROVED ETHYLENE ENCHAINMENT

Embodiments of the present disclosure directed towards polymerization catalysts having improved ethylene enchainment. As an example, the present disclosure provides a polymerization catalyst having improved ethylene enchainment, the polymerization catalyst comprising a zirconocene catalyst of Formula (I) where Ris a Cto Calkyl, aryl or aralkyl group, wherein Ris an Cto Calkyl, aryl or aralkyl group, and where Ris a Cto Calkyl or a hydrogen, and where each X is independently a halide, Cto Calkyl, aralkyl group or hydrogen. 2. The polymerization catalyst of claim 1 , wherein Ris a Calkyl.3. The polymerization catalyst of claim 2 , wherein Ris a Calkyl.4. The polymerization catalyst of claim 3 , wherein Ris a linear Calkyl.5. The polymerization catalyst of claim 3 , wherein Ris an Calkyl.6. The polymerization catalyst of claim 2 , wherein Ris a hydrogen.7. The polymerization catalyst of claim 6 , wherein Ris an Calkyl.8. The polymerization catalyst of claim 6 , wherein Ris a Calkyl.9. The polymerization catalyst of claim 1 , wherein the polymerization catalyst of Formula I is included in a bimodal polymerization catalyst system further including a non-metallocene olefin polymerization catalyst.11. The bimodal polyethylene composition of claim 10 , wherein the low molecular weight polyethylene has a butyl branching frequency of from 0.43 to 0.72. Embodiments of the present disclosure are directed towards polymerization catalysts with improved ethylene enchainment, more specifically, embodiments are directed towards bimodal polymerization catalysts that can be utilized to form bimodal polymers with improved ethylene enchainment.Polymers may be utilized for a number of products including films and pipes, among other. Polymers can be formed by reacting one or more types of monomer in a polymerization reaction. There is continued focus in the industry on developing new and improved materials and/or processes that may be utilized to form polymers.Ethylene alpha-olefin ( ...

Process for the Decarboxylation, Isomerization, Hydrogenation, Dehydrogenation and Cyclization Aromatization of Fatty Acids Yielding Products with Significant Aromatic Content

Disclosed herein are processes for the decarboxylation, isomerization, hydrogenation, dehydrogenation, and cyclization/aromatization of fatty acids involving contacting a starting material which is an unsaturated fatty acid, unsaturated fatty acid derivative, or an unsaturated triglyceride, in the presence of a catalyst at a temperature at which decarboxylation, isomerization, hydrogenation, dehydrogenation, and cyclization/aromatization occurs and recovering the unsaturated organic compound product; wherein the catalyst is chloro-1,5-cyclooctadiene iridium (I) dimer. The product may contain at least about 8% by volume aromatic content and less than about 25% by volume aromatic content, and wherein the product contains less than about 1% by volume of naphthalenes.

1-HEXENE PRODUCTION PROCESS

Disclosed is transition metal complex that serves as a catalytic component with which 1-hexene can be produced efficiently with excellent selectivity, even under high temperature conditions, by means of an ethylene trimerization reaction. Said transition metal complex is represented by the following general formula (1), wherein Mrepresents a Group 4 transition metal atom, and Rthrough Rand Xthrough Xeach independently represent a hydrogen atom, a halogen atom, or a specific organic group. 2. The process according to claim 1 , wherein Min the general formula (1) is a titanium atom.3. The process according to claim 1 , wherein each of R claim 1 , R claim 1 , Rand Rin the general formula (1) is a methyl group.4. The process according to claim 1 , wherein claim 1 , in the general formula (1) claim 1 , Ris a methyl group claim 1 , and Risan alkyl group having 2 to 20 carbon atoms which may have a halogen atom as a substituent oran aryl group having 6 to 20 carbon atoms which may have a halogen atom as a substituent.5. The process according to claim 1 , wherein in the general formula (1) claim 1 , Rand Rare the same and arealkyl groups having 1 to 20 carbon atoms which may have a halogen atom as a substituent oraryl groups having 6 to 20 carbon atoms which may have a halogen atom as a substituent.6. The process according to claim 1 , wherein in the general formula (1) claim 1 , Rand Rare eachan alkyl group having 1 to 20 carbon atoms which may have a halogen atom as a substituent oran aryl group having 6 to 20 carbon atoms which may have a halogen atom as a substituent, and{'sup': 10', '11, 'Rand Rare each an aryl group having 6 to 20 carbon atoms which may have a halogen atom as a substituent.'} This application is a divisional of co-pending U.S. patent application Ser. No. 14/575,250, filed Dec. 18, 2014, which is a divisional of U.S. patent application Ser. No. 13/498,980, filed Mar. 29, 2012, now abandoned, which was a Section 371 of International Application No. PCT/ ...

BIOFUEL AND METHOD FOR PREPARATION BY ISOMERIZING METATHESIS

Subject of the invention is a process for producing a biofuel from fatty acid methyl esters (FAMEs) obtained by transesterification of vegetable oils, comprising the steps of 124.-. (canceled)25. A process for producing a biofuel from fatty acid methyl esters (FAMEs) obtained by transesterification of vegetable oils , comprising the steps of(a) ethenolysis of the fatty acid methyl esters in the presence of ethylene and an ethenolysis catalyst, and(b) isomerizing metathesis in the presence of an isomerization catalyst and a metathesis catalyst, wherein ethenolysis (a) and isomerizing metathesis (b) are carried out simultaneously and wherein the process is carried out without an additional solvent.26. The process according to claim 25 , wherein the vegetable oil and/or fatty acid methyl esters comprise more than 80 mol-% unsaturated fatty acids claim 25 , based on the total amount of fatty acids in esterified and free form claim 25 , wherein the vegetable oil is preferably rapeseed oil claim 25 , soy bean oil claim 25 , jatropha oil or tall oil.27. The process according to at least claim 25 , wherein the isomerization catalyst is an organometallic palladium catalyst.28. The process according to at least claim 25 , wherein the isomerization catalyst is an organometallic palladium containing palladium in oxidation states selected from the group consisting of Pd(0) claim 25 , Pd(I) claim 25 , Pd(II) and combinations thereof.29. The process according to at least claim 25 , wherein the isomerization catalyst is an organometallic palladium catalyst containing at least one structural element Pd—P(RRR) claim 25 , wherein the Rto Rradicals each independently have 2 to 10 carbon atoms claim 25 , each of which may be aliphatic claim 25 , alicyclic claim 25 , aromatic or heterocyclic claim 25 , with the proviso that at least one of the Rto Rradicals contains a beta-hydrogen.31. The process according to claim 30 , wherein groups Yand Yare the same.32. The process according to ...

SYNTHESIS AND CHARACTERIZATION OF RU ALKYLIDENE COMPLEXES

This invention relates generally to olefin metathesis catalyst compounds, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, articles of manufacture comprising such compounds, and the use of such compounds in the metathesis of olefins and olefin compounds. The invention has utility in the fields of catalysts, organic synthesis, polymer chemistry, and industrial and fine chemicals industry. 8. The olefin metathesis catalyst according to claim 7 , wherein{'sup': '1', 'Xis Cl;'}{'sup': '2', 'Xis Cl;'}{'sup': '1', 'Ris morpholino, thiomorpholino, 1-methyl-piperazino, piperidino, N-acetyl-piperazino, di-benzyl-amino, N-ethylcarboxylate-piperazino, diethylamino, methyl-phenylamino, or di-iso-propylamino;'}{'sup': '2', 'Ris phenyl, morpholino, thiomorpholino, 1-methyl-piperazino, piperidino, N-acetyl-piperazino, di-benzyl-amino, N-ethylcarboxylate-piperazino, diethylamino, methyl-phenylamino, or di-iso-propylamino; and'}{'sup': '3', 'Ris phenyl or morpholino.'}11. The method according to claim 10 , wherein:{'sup': '1', 'Xis Cl;'}{'sup': '2', 'Xis Cl;'}{'sup': '1', 'Ris morpholino, thiomorpholino, 1-methyl-piperazino, piperidino, N-acetyl-piperazino, di-benzyl-amino, N-ethylcarboxylate-piperazino, diethylamino, methyl-phenylamino, or di-iso-propylamino;'}{'sup': '2', 'Ris phenyl, morpholino, thiomorpholino, 1-methyl-piperazino, piperidino, N-acetyl-piperazino, di-benzyl-amino, N-ethylcarboxylate-piperazino, diethylamino, methyl-phenylamino, or di-iso-propylamino; and'}{'sup': '3', 'Ris phenyl or morpholino'}{'sup': '5', 'Ris 2,4,6-trimethylphenyl;'}{'sup': '6', 'Ris 2,4,6-trimethylphenyl;'}{'sup': 'd', 'Ris phenyl;'}{'sup': 'e', 'Ris phenyl; and'}{'sup': 'f', 'Ris phenyl, methyl, p-(OMe)phenyl, or iso-propyl.'}13. The method according to claim 12 , wherein:{'sup': '1', 'Ris morpholino, thiomorpholino, 1-methyl-piperazino, piperidino, N-acetyl-piperazino, di-benzyl-amino, N-ethylcarboxylate-piperazino, diethylamino, ...

PRODUCTION OF FARNESOL

The present invention relates to an improved way for the production of farnesol. 3. Process according to claim 1 , wherein the substrate (compound of formula (II) to catalyst ratio claim 1 , which based on weight claim 1 , is 10:1 to 500:1.4. Process according to claim 1 , wherein step (1) the reaction is carried out in at least one solvent claim 1 , which is non-polar aprotic.5. Process according to claim 4 , wherein the solvents are aliphatic solvents having a high boiling point (above 280° C.) claim 4 , as well as aromatic solvents claim 4 , such as xylene or toluene.6. Process according to claim 1 , wherein the reaction of step (1) is carried out at a temperature between 30° C. and 180° C.7. Process according to claim 1 , wherein at least one least one saturated fatty acid with a 16-22 carbon chain chosen from the groups consisting of stearic acid claim 1 , palmitic acid claim 1 , arachidic acid and behenic acid is used in step (1).8. Process according to claim 1 , wherein the reaction of step (2) is a hydrogenation.9. Process according to claim 8 , wherein the hydrogenation is carried out with H-gas.10. Process according to claim 8 , wherein the hydrogenation is a transfer hydrogenation.11. Process according to claim 10 , wherein the transfer hydrogenation is a transfer hydrogenation is carried out in the presence of at least one metal-complex claim 10 , wherein the metal is chosen from the group consisting of Ir claim 10 , Rh and Ru.12. Process according to claim 11 , wherein the metal-complex is chosen from the group consisting of pentamethylcyclopentadienyl Ir-complex (Cp*Ir) claim 11 , Cp*Rh claim 11 , Ru-arene-complexes claim 11 , preferably Ru-p-cymene and Ru-benzene complexes.13. Process according to claim 11 , wherein the metal-complex also comprises at least one organic ligand claim 11 , which comprises at least one N and/or P atom.14. Process according to claim 13 , wherein the organic ligand are 1 claim 13 ,2 amino alcohols and/or mono-sulfonated 1 ...

SULFUR OXOACID-SUBSTITUTED AND PHOSPHORUS OXOACID-SUBSTITUTED POLYAROMATIC RESINS AND SALTS THEREOF AS PROMOTERS IN ACRYLATE PRODUCTION FROM COUPLING REACTIONS OF OLEFINS AND CARBON DIOXIDE

This disclosure provides for catalyst systems and processes for forming an α,β-unsaturated carboxylic acid or a salt thereof. In an aspect, the catalyst system can comprise: a transition metal precursor comprising a Group 8-11 transition metal and at least one first ligand; optionally, at least one second ligand; an olefin; carbon dioxide (CO); a diluent; and an oxoacid anion-substituted polyaromatic resin comprising a sulfonated polyaromatic resin, a phosphonated polyaromatic resin, a sulfinated polyaromatic resin, a thiosulfonated, or a thiosulfinated polyaromatic resin, and further comprising associated metal cations. Methods of regenerating the polyaromatic resin with associated metal cations are described. 1. A catalyst system for forming an α ,β-unsaturated carboxylic acid or a salt thereof , the catalyst system comprising:a) a transition metal precursor comprising a Group 8-11 transition metal and at least one first ligand;b) optionally, at least one second ligand;c) an olefin;{'sub': '2', 'd) carbon dioxide (CO);'}e) a diluent; andf) an oxoacid anion-substituted polyaromatic resin comprising a sulfonated polyaromatic resin, a phosphonated polyaromatic resin, a sulfinated polyaromatic resin, a thiosulfonated, or a thiosulfinated polyaromatic resin, and further comprising associated metal cations.2. The catalyst system according to claim 1 , wherein the catalyst system further comprises a metalalactone compound or an adduct of a metalalactone compound and the oxoacid anion-substituted polyaromatic resin.3. The catalyst system according to claim 1 , wherein the oxoacid anion-substituted polyaromatic resin has a) an average particle size from about 0.1 mm to about 1.0 mm claim 1 , b) an average pore diameter from about 50 nm to about 250 nm claim 1 , or c) both an average particle size from about 0.1 mm to about 1.0 mm and an average pore diameter from about 50 nm to about 250 nm.4. The catalyst system according to claim 1 , wherein:the oxoacid anion-substituted ...

Ruthenium-based metathesis catalysts and precursors for their preparation

The invention is directed to ruthenium-based metathesis catalysts of the Hoveyda-Grubbs type. The new N-chelating diarylamino-based ruthenium catalysts described herein are stable in solid state and in solution and reveal rapid initiation behavior. Further, the corresponding N-substituted styrene precursor compounds are disclosed. The catalysts are prepared in a cross-metathesis reaction starting from N-substituted styrene precursors. The new Hoveyda-Grubbs type catalysts are suitable to catalyze ring-closing metathesis (RCM), cross metathesis (CM) and ring-opening metathesis polymerization (ROMP). Low catalyst loadings are sufficient to convert a wide range of substrates via metathesis reactions.

ELECTROLESS METALLIZATION OF DIELECTRICS WITH ALKALINE STABLE PYRAZINE DERIVATIVE CONTAINING CATALYSTS

Pyrazine derivatives which contain one or more electron donating groups on the ring are used as catalytic metal complexing agents in aqueous alkaline environments to catalyze electroless metal plating on metal clad and un-clad substrates. The catalysts are monomers and free of tin and antioxidants. 2. The method of claim 1 , wherein the one or more pyrazine derivatives are chosen from 2 claim 1 ,6-dimethylpyrazine claim 1 , 2 claim 1 ,3-dimethylpyrazine claim 1 , 2 claim 1 ,5-dimethylpyrazine claim 1 , 2 claim 1 ,3 claim 1 ,5-trimethylpyraizine claim 1 , 2-acetylpyrazine claim 1 , aminopyrazine claim 1 , ethylpyrazine claim 1 , methoxypyrazine claim 1 , 3 claim 1 ,4-dimethylpyrazine and 2-(2′-hydroxyethyl)pyrazine.3. The method of claim 1 , wherein a molar ratio of the one or more pyrazine derivatives to the metal ions is 1:1 to 4:1.4. The method of claim 1 , wherein the metal ions are chosen from palladium claim 1 , silver claim 1 , gold claim 1 , platinum claim 1 , copper claim 1 , nickel and cobalt.5. The method of claim 1 , wherein the metal on the substrate is copper claim 1 , copper alloy claim 1 , nickel or nickel alloy.6. The method of claim 1 , wherein the aqueous alkaline catalyst solution has a pH of 8.5 or greater.7. The method of claim 6 , wherein the aqueous alkaline catalyst solution has pH of 9 or greater.8. The method of claim 1 , wherein the substrate comprising the dielectric further comprises a plurality of through-holes.9. The method of claim 8 , wherein the substrate comprising the dielectric further comprises metal cladding. The present invention is directed to electroless metallization of dielectrics with alkaline stable pyrazine derivative containing catalysts. More specifically, the present invention is directed to metallization of dielectrics with alkaline stable pyrazine derivative containing catalysts as a replacement for palladium/tin colloidal catalysts.Conventional printed circuit boards (PCBs) consist of laminated non-conductive ...

WATER SOLUBLE CATALYSTS FOR NMR/MRI ENHANCEMENT

Iridium catalysts for nuclear spin polarization enhancement in solution via signal amplification by reversible exchange are provided. The iridium catalysts can be water-soluble iridium catalysts. Also provided are methods for preparing iridium catalysts, and methods of activating and using iridium catalysts for nuclear spin polarization enhancement in solution via signal amplification by reversible exchange. 2. The compound of claim 1 , wherein the water-solubilizing substituent group is a polyethylene glycol-containing substituent group claim 1 , a hydroxyl group claim 1 , an alkoxy group claim 1 , a carboxylic acid group claim 1 , or a combination thereof.3. The compound of claim 1 , wherein Ris mesityl.4. The compound of claim 1 , wherein Rand Rare hydrogen.5. The compound of claim 1 , wherein Ris chloro.7. The compound of claim 1 , wherein m is 0.8. The compound of claim 1 , wherein m is 2 and each Ris hydroxy.12. The compound of claim 11 , wherein n averages 12.16. The method of claim 15 , wherein the solvent is an alcoholic solvent.17. The method of claim 16 , wherein the alcoholic solvent is ethanol.18. The method of claim 15 , wherein the substrate is nicotinamide.19. The method of claim 15 , wherein the substrate is pyridine.20. The method of claim 15 , further comprising:removing the solvent to provide a solid activated catalyst; andreconstituting the activated catalyst in an aqueous solvent.21. The method of claim 20 , wherein the aqueous solvent comprises water and ethanol.23. The method of claim 22 , wherein the substrate is nicotinamide.24. The method of claim 22 , wherein the substrate is pyridine.25. The method of claim 22 , wherein the substrate is a lutidine.26. The method of claim 22 , wherein the substrate is a picoline.27. The method of claim 22 , wherein the catalyst of formula (II) is IrCl(COD)(IMes) where IMes is 1 claim 22 ,3-bis(2 claim 22 ,4 claim 22 ,6-trimethylphenyl)imidazole-2-ylidene and COD is cyclooctadiene.29. The method of claim ...

RUTHENIUM-BASED TRIAZOLE CARBENE COMPLEXES

The present invention relates to novel ruthenium-based triazole carbene complexes comprising specific ligands, their preparation and their use as catalysts in hydrogenation processes. Such complex catalysts are inexpensive, thermally robust, gel formation inhibiting and olefin selective. 2. The catalyst according to claim 1 , wherein:{'sub': 6', '10', '6', '10', '2', '3', '3, 'sup': 3', '3', '3, 'R is independently of one another hydrogen, halogen, nitro, methyl, ethyl, n-propyl, isopropyl, n-butyl, iso-butyl, sec-butyl or tert-butyl, phenyl, or together with the carbon atoms to which they are bound form a C-C-cycloalkyl or C-C-aryl substituent, alkyl thiolate, aryl thiolate, B(R)or B(R), whereas Ris alkyl, aryl, alkoxy or aryloxy or CF,'}n is 0 to 4, preferably 0 to 2, more preferably 0 to 1{'sup': 1', '2, 'sub': '1', 'Rand Rare identical or different and are each methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl or neopentyl, cyclohexyl, adamantyl, phenyl, C-methanesulphonate, p-toluenesulphonate, 2,4,6-trimethylphenyl (Mes) or 2,4,6-triisopropylphenyl (Trip),'}{'sub': 1', '30', '6', '24, 'X is hydride, halide pseudohalide, alkoxide, amide, triflate, phosphate, borate, straight-chain or branched C-C-alkyl or C-C-aryl, carboxylate, acetate, halogenated acetate, halogenated alkylsulfonate, tosylate or any weakly coordinating anionic ligands, and'}{'sup': 1', '2, 'sub': 1', '10', '3', '20', '3', '1', '10', '1', '10', '1', '10', '1', '10', '1', '10', '1', '10', '1', '10', '1', '10', '1', '10', '1', '5', '1', '5, 'Yand Yare identical or different and are each C-C-alkylphosphine or C-C-cycloalkylphosphine ligand, preferably tricyclohexylphosphine (PCy), a sulfonated C-C-alkylphosphine ligand, a C-C-alkylphosphinite ligand, a C-C-alkylphosphonite ligand, a C-C-alkyl phosphite ligand, a C-C-alkylarsine ligand, a C-C-alkylamine ligand, a substituted or not substituted pyridine ligand, a C-C-alkyl sulfoxide ligand, a C-C-alkyloxy ligand or a C-C ...

Olefin Hydroboration

A process comprising contacting a) an alkene, b) a hydrogen-boron bond containing compound, c) an α-diimine metal salt complex comprising an α-diimine iron salt complex or an α-diimine cobalt salt complex, and d) a group 1 metal borohydride under conditions suitable to form an alkylboron compound. A process comprising contacting a) an alkene, b) a hydrogen-boron bond containing compound, and c) an α-diimine metal salt complex comprising an α-diimine iron methylenetrihydrocarbylsilyl complex or an α-diimine cobalt methylenetrihydrocarbylsilyl complex, to form an alkyl-boron compound under conditions suitable to form an alkylboron compound. A process comprising contacting an alkene, a hydrogen-boron bond containing compound, and an α-diimine metal salt complex to form an alkyl-boron compound under conditions suitable to form an alkylboron compound. 1. A process comprising contacting:a) a linear internal alkene,b) a hydrogen-boron bond containing compound,c) an α-diimine metal salt complex comprising an α-diimine iron salt complex or an α-diimine cobalt salt complex, andd) a group 1 metal borohydride to form an alkyl-boron compound under conditions suitable to form an alkylboron compound.2. The process of claim 1 , wherein the α-diimine metal salt complex is an α-diimine iron halide complex or an α-diimine cobalt halide complex.3. The process of claim 1 , wherein the α-diimine comprises:i) an α-diimine group,{'sub': 1', '30, 'ii) a first imine nitrogen group comprising a Cto Chydrocarbyl group attached to a first imine nitrogen atom of the α-diimine group, and'} (1) a metal complexing group, and', '(2) a linking group linking the metal complexing group to a second imine nitrogen atom of the α-diimine group., 'iii) a second imine nitrogen group comprising5. (canceled)6. The process of claim 1 , wherein a cobalt to boron molar ratio ranges from 0.001:1 to 0.05:1.7. The process of claim 1 , wherein the alkylboron compound is formed at a temperature of from 15° C. to 30° C ...

MODIFIED ORGANOMETALLIC FRAMEWORK AND CATALYST FOR HYDROGENATION REACTION INCLUDING SAME

The present disclosure relates to an organometallic framework modified using a compound having a hydroxyl group (—OH), a catalyst for a hydrogenation reaction including the same, and a method of manufacturing the same. The catalyst according to the present disclosure has high activity to the hydrogenation reaction even at a low temperature of 30 to 40° C., thus making low-grade waste heat usable.

Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus

A method for manufacturing a carbon nanotube includes: a growing step of growing a carbon nanotube from a catalyst particle by supplying a carbon-containing gas to the catalyst particle in a suspended state; and a drawing step of drawing the carbon nanotube by applying a tensile force to the carbon nanotube in a suspended state.

OLEFIN METATHESIS CATALYSTS

This invention relates generally to metathesis catalysts and the use of such catalysts in the metathesis of olefins and olefin compounds, more particularly, in the use of such catalysts in Z and E selective olefin metathesis reactions. The invention has utility in the fields of organometallics and organic synthesis. 18.-. (canceled)10. The compound of whereinX is O or S;Y is O or S;{'sup': '32', 'Z is N or CR;'}{'sup': '33', 'W is O, NRor S;'}{'sup': 1', '25', '26', '27', '28', '29', '31, 'sub': 1-24', '2', '3', 'm', '2', '2', '3-8', '5-24', '3-8, 'Ris hydrogen, optionally substituted Calkyl, halogen, —C(O)R, —OR, CN, —NRR, NO, —CF, —S(O)R, —P(O)(OH), —OP(O)(OH), —SR, optionally substituted heterocycle, optionally substituted Ccycloalkyl, optionally substituted Caryl or optionally substituted Ccycloalkenyl;'}{'sup': 2', '25', '26', '27', '28', '29', '31', '3, 'sub': 1-24', '2', '3', 'm', '2', '2', '3-8', '5-24', '3-8, 'Ris hydrogen, optionally substituted Calkyl, halogen, —C(O)R, —OR, CN, —NRR, NO, —CF, —S(O)R, —P(O)(OH), —OP(O)(OH), —SR, optionally substituted heterocycle, optionally substituted Ccycloalkyl, optionally substituted Caryl, optionally substituted Ccycloalkenyl or together with Rmay form a polycyclic ring;'}{'sup': 3', '25', '26', '27', '28', '29', '31', '2, 'sub': 1-24', '2', '3', 'm', '2', '2', '3-8', '5-24', '3-8, 'Ris hydrogen, optionally substituted Calkyl, halogen, —C(O)R, —OR, CN, —NRR, NO, —CF, —S(O)R, —P(O)(OH), —OP(O)(OH), —SR, optionally substituted heterocycle, optionally substituted Ccycloalkyl, optionally substituted Caryl or optionally substituted Ccycloalkenyl or together with Rmay form a polycyclic ring;'}{'sup': 4', '25', '26', '27', '28', '29', '31, 'sub': 1-24', '2', '3', 'm', '2', '2', '3-8', '5-24', '3-8, 'Ris hydrogen, optionally substituted Calkyl, halogen, —C(O)R, —OR, CN, —NRR, NO, —CF, —S(O)R, —P(O)(OH), —OP(O)(OH), —SR, optionally substituted heterocycle, optionally substituted Ccycloalkyl, optionally substituted Caryl or ...

MANGANESE-CATALYSED HYDROGENATION OF ESTERS

The present invention relates to the field of catalytic hydrogenation and, more particularly, to methods of manganese-catalysed hydrogenation of esters to alcohols. Advantageously, where the esters are chiral, the hydrogenations proceed with high or complete stereochemical integrity. 2. The method of wherein the base is selected from the group consisting of potassium carbonate claim 1 , potassium phosphate claim 1 , potassium hydroxide claim 1 , sodium carbonate claim 1 , cesium carbonate claim 1 , sodium hydroxide claim 1 , lithium carbonate claim 1 , lithium hydroxide claim 1 , calcium hydroxide claim 1 , potassium bicarbonate claim 1 , sodium bicarbonate claim 1 , lithium bicarbonate and tertiary amines.3. The method of wherein the conjugate acid of the base has a pKa from 10.3 to 14.4. The method of wherein the base is selected from the group consisting of potassium carbonate claim 3 , potassium phosphate claim 3 , potassium hydroxide claim 3 , sodium carbonate claim 3 , cesium carbonate claim 3 , sodium hydroxide claim 3 , lithium carbonate claim 3 , lithium hydroxide claim 3 , and calcium hydroxide.5. The method of wherein the base is selected from the group consisting of potassium carbonate claim 4 , potassium phosphate claim 4 , potassium hydroxide claim 4 , sodium carbonate and cesium carbonate.622-. (canceled)23. The method of wherein the RRP-Fc-CH(Me)-NH— component of the complex is 1-[bis(4-methoxy-3 claim 1 ,5-dimethylphenyl)phosphino]-2-[1-(HN)ethyl]ferrocene; 1-[1-(HN)ethyl]-2-(diphenylphosphino)ferrocene; 1-[bis(4-methoxy-3 claim 1 ,5-di-tert-butylphenyl)phosphino]-2-[1-(HN)ethyl]ferrocene; 1-(difuranylphosphino)-2-[1-(HN)ethyl]ferrocene; 1-[bis[3 claim 1 ,5-bis(trifluoromethyl)phenyl] phosphino]-2-[1-(HN)ethyl]ferrocene or 1-(dicyclohexylphosphino)-2-[1-(HN)ethyl]ferrocene.24. The method of claim 23 , wherein the RRP-Fc-CH(Me)-NH-component of the complex is (S)-1-[bis(4-methoxy-3 claim 23 ,5-dimethylphenyl)phosphino]-2-[(R)-1-(HN)ethyl]ferrocene ...