ПРОСТРАНСТВЕННО ЗАТРУДНЕННЫЕ НАФТОКСИИМИНОВЫЕ БИДЕНТАТНЫЕ И ТРИДЕНТАТНЫЕ ЛИГАНДЫ И МЕТАЛЛИЧЕСКИЕ КОМПЛЕКСЫ С ЭТИМИ ЛИГАНДАМИ

Данное изобретение раскрывает постметаллоценовые комплексы, основанные на пространственно затрудненных би- и тридентных нафтоксииминовых лигандах. Оно также относится к применению таких постметаллоценовых комплексов в олигомеризации этилена для селективного приготовления линейных альфа-олефинов, кэппированных на конце винилом.

SELECTIVE HYDROGENIZING PROCESS OF CYCLOPENTADIENE

CATALYST COMPOSITION FOR THE SYNTHESIS OF VINYL ACETATE

SELECTIVE CATALYSTS HAVING HIGH TEMPERATURE ALUMINA SUPPORTS FOR NAPHTHA HYDRODESULFURIZATION

This invention relates to a catalyst and method for hydrodesulfurizing naphtha. More particularly, a Co/Mo metal hydrogenation component is loaded on a high temperature alumina support in the presence of a dispersion aid to produce a catalyst that is then used for hydrodesulrurizing naphtha. The high temperature alumina support has a defined surface area that minimizes olefin saturation. © KIPO & WIPO 2009 ...

BISMUTH CONTAINING COMPLEX AND CONDENSATION REACTION CATALYSTS, METHODS FOR PREPARING THE CATALYSTS, AND COMPOSITIONS CONTAINING THE CATALYSTS

A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.

ZIRCONIUM CONTAINING COMPLEX AND CONDENSATION REACTION CATALYSTS, METHODS FOR PREPARING THE CATALYSTS, AND COMPOSITIONS CONTAINING THE CATALYSTS

A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.

Bismuth Containing Complex and Condensation Reaction Curable Compositions and Methods for the Preparation and Use of the Compositions

A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.

METHOD FOR PREPARING 1,3-PROPANEDIOL BY COUPLING ETHYLENE OXIDE WITH SYNGAS

A catalytic reaction of ethylene oxide (EO) coupling with syngas to produce 1,3-propanediol (1,3-PDO) is disclosed. The catalytic reaction of EO, carbon monoxide and the alcohol uses a N,O-ligand coordinated metal complex catalyst. The reaction is carried out in an organic solvent in the presence of an additive at the temperature of 30-190° C. and the CO pressure of 1-150 atm for 0.1-200 h to prepare 3-hydroxypropinate (3HP). The catalytic reaction of 3HP with dihydrogen uses a copper-containing mixed metal silicon oxide catalyst with a molecular formula of M′CuSiO. The reaction is carried out at 80-400° C. and 20-150 atm for 0.1-200 h to prepare the 1,3-PDO. The yield of the 1,3-PDO can reach to 73%. The alcohol byproduct generated in the second step catalytic hydrogenation reaction can be recycled to use for the first step catalytic reaction by the ring opening-carbonylation-esterification. 1. A method for preparing 1 ,3-propanediol (1 ,3-PDO) by coupling ethylene oxide (EO) with syngas , comprising:S1: subjecting EO, carbon monoxide and an alcohol molecule to ring opening-carbonylation-esterification to prepare 3-hydroxypropionate (3HP);S2: hydrogenating the obtained 3HP to produce 1,3-PDO;wherein the two steps use different catalysts, and an alcohol molecule byproduct generated in the second step can be used for the first step reaction.2. The method according to claim 1 , wherein S1 specifically comprises:a) subjecting EO, carbon monoxide and alcohol to reaction in an organic solvent in the presence of a catalyst and an additive under required reaction conditions as settled temperature and pressure and controlled time;b) conducting phase separation of the species obtained from the reaction system after reaction is completed, where an aqueous phase, an organic phase and a precipitate phase are formed and the 3HP product is maximally retained in the organic phase;c) collecting the organic phase, from which the 3HP product is further subject to separation for use, ...

POLYURETHANES MADE USING COPPER CATALYSTS

Cu(II) and Zn(II)-phenoxy complexes, and radical complexes derived therefrom, their preparation and use

New 4-Coordinate copper (II) and zinc (II) complexes useful as catalysts for oxidation of alcohols and amines 4-Coordinate copper (II) and zinc (II) complexes which include one ligand L per metal atom, are new. 4-Coordinate copper (II) and zinc (II) complexes which include one phenoxy (or phenoxy radical) ligand L per metal atom. H2L is of formula (III): Q = S, O, N(R3), P(R4) or NH-Ph'-NH; R1, R2 = a radical-stabilizing residue, especially an alkyl group which has a tertiary C atom linked to the phenyl ring; R3, R4 = H or 1-6C alkyl; Ph = 1,2-phenylene Independent claims are included for: (A) The preparation method of complexes as described above, comprising: (a) reaction of a copper or zinc salt with a compound of formula (III), in a ratio of at least one mole of ligand per gram-atom of metal, in a dry, oxygen-free solvent (especially methanol or an ether), in the presence of at least 2 gram-equivalents of a nitrogen-containing base B per gram-atom of metal, at 20-100 degrees C, under ...

ЭНЕРГОЭФФЕКТИВНЫЙ СПОСОБ ДЛЯ ПОЛУЧЕНИЯ ХЕЛАТОВ МЕТАЛЛОВ БЕЗ РАСТВОРИТЕЛЯ

Cu(II)- und Zn(II)-Phenoxylkomplexe und Radikalkomplexe hiervon, Verfahren zu deren Herstellung und deren Verwendung

N ortho substituted nitrogen-containing heterocyclic compound and procss for preparing aminal iron (II) complexes thereof

Provided are a N ortho acyl substituted nitrogen-containing heterocyclic compound and a process for preparing aminal iron (II) complexes thereof, and use of the complexes obtained by the process in an olefin oligomerization catalyst. The N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is for example a 2-acyl-1,10-phenanthroline or a 2,6-diacetyl pyridine as shown in the formula b; the N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is produced by a reaction of a precursor thereof in a substituted or unsubstituted nitrobenzene. Preferably the precursor shown in formula I in the present invention is produced by reacting the 1,10-phenanthroline with a trialkyl aluminum, or a halogenoalkyl aluminum RnAlXm, or a substituted or unsubstituted benzyl lithium Ph'CH2Li, followed by hydrolysis. The preparation method provided in the present invention has few synthetic steps, an easy process, a low toxic effect, ...

N ortho substituted nitrogen-containing heterocyclic compound and procss for preparing aminal iron (II) complexes thereof

SELECTIVE CATALYSTS HAVING HIGH TEMPERATURE ALUMINA SUPPORTS FOR NAPHTHA HYDRODESULFURIZATION

This invention relates to a catalyst and method for hydrodesulfurizing naphtha. More particularly, a Co/Mo metal hydrogenation component is loaded on a high temperature alumina support in the presence of a dispersion aid to produce a catalyst that is then used for hydrodesulrurizing naphtha. The high temperature alumina support has a defined surface area that minimizes olefin saturation.

STERICALLY ENCUMBERED BIDENTATE AND TRIDENTATE NAPHTHOXY-IMINE METALLIC COMPLEXES

The present invention discloses post-metallocene complexes based on sterically encumbered bi- and tri-dentate naphthoxy-imine ligands. It also relates to the use of such post-metallocene complexes in the oligomerisation of ethylene to selectively prepare vinyl-end capped linear alpha-olefins.

ПРОСТРАНСТВЕННО ЗАТРУДНЕННЫЕ БИДЕНТАТНЫЕ И ТРИДЕНТАТНЫЕ НАФТОКСИ-ИМИНОВЫЕ МЕТАЛЛИЧЕСКИЕ КОМПЛЕКСЫ

Данное изобретение раскрывает постметаллоценовые комплексы, основанные на пространственно затрудненных би- и тридентных нафтоксииминовых лигандах. Оно также относится к применению таких постметаллоценовых комплексов в олигомеризации этилена для селективного приготовления линейных α-олефинов, кэппированных на конце винилом.

PROCEEDED Of OLIGOMERIZATION OF OLEFINS USING a CATALYTIC COMPOSITION INCLUDING/UNDERSTANDING an ORGANOMETALLIC COMPLEX CONTAINING a LIGAND PHENOXY FUNCTIONALIZES BY a HETEROATOM

L'invention décrit un procédé d'oligomérisation des oléfines en composés ou en un mélange de composés de formule générale CpH2p avec 4 ≤ p ≤ 80 mettant en oeuvre un composition catalytique comprenant au moins un complexe organométallique d'un élément du groupe IV choisi parmi le titane, le zirconium ou l'hafnium, ledit complexe organométallique contenant au moins un ligand de type aryloxy (ou phenoxy) fonctionnalisé par un hétéro-atome choisi parmi l'azote, l'oxygène, le phosphore ou le soufre ou par un groupement aromatique.

LANTHANIDE COMPLEXES WITH IMIDAZOLE LIGANDS FOR CONDENSATION REACTIONS

A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.

LIGAND FOR ASYMMETRIC SYNTHESIS CATALYST, AND PROCESS FOR PRODUCTION OF ALPHA-ALKENYL CYCLIC COMPOUND USING SAME

Disclosed are: a ligand for an asymmetric synthesis catalyst; and a process for producing an -alkenyl cyclic compound using the ligand. Specifically disclosed are: a ligand for an asymmetric synthesis catalyst, which is represented by any one of formulae (1) to (4) [wherein R1 represents Cl or Br; R2 represents CH3 or CF3; and R3 represents CH2CHCH2 or H]; and a process for producing an -alkenyl cyclic compound using the ligand.

Transfer hydrogenation process and catalyst

A catalytic transfer hydrogenation process is provided. The catalyst employed in the process is a metal hydrocarbyl complex which is coordinated to defined bidentate ligands substituted with at least one group selected from an optionally substituted sulphonated hydrocarbyl group, a sulphonated perhalogenated hydrocarbyl group, or an optionally substituted sulphonated heterocyclyl group. Preferred metals include rhodium, ruthenium and iridium. Preferred bidentate ligands are diamines and aminoalcohols, particularly those comprising chiral centres. The hydrogen donor is advantageously a secondary alcohol or a mixture of triethylamine and formic acid. The process can be employed to transfer hydrogenate ketones and imines, which are preferably prochiral. Catalysts for use in such a process are also provided.

METHOD AND CATALYST FOR SELECTIVE OLIGOMERIZATION OF ETHYLENE

The present disclosure provides a method and a catalyst for selective oligomerization of ethylene. The raw material for the catalyst consists of a dehydropyridine annulene-type ligand, a transition metal compound, and an organometallic compound in a molar ratio of 1:0.5-100:0.1-5000. The present disclosure also provides a method for selective oligomerization of ethylene accomplished by using the above-mentioned catalyst. The catalyst for selective oligomerization of ethylene has high catalytic activity, high selectivity for the target products 1-hexene and 1-octene, and low selectivity for 1-butene and 1-C10+.

Production method for 2-alkenylamine compound

Provided is a method for producing a 2-alkenylamine compound efficiently and at low cost, using a primary or secondary amine compound and a 2-alkenyl compound as the starting materials therefor. The 2-alkenylamine compound is produced by adding Bronsted acid when 2-alkenylating by reacting the primary or secondary amine compound with the 2-alkenyl compound, and 2-alkenylating in the presence of a catalyst comprising a complexing agent and a transition metal precursor stabilized by a monovalent anionic five-membered conjugated diene.

Sterically emcumbered bidentate and tridentate naphthoxy-imine metallic complexes

The present invention discloses post-metallocene complexes based on sterically encumbered bi- and tri-dentate naphthoxy-imine ligands. It also relates to the use of such post-metallocene complexes in the oligomerization of ethylene to selectively prepare vinyl-end capped linear alpha-olefins.

Inhibitors of ruthenium olefin metathesis catalysts

The present invention relates to a catalytic system comprising a precatalyst, a precatalyst activator and an inhibitor. Further, the invention relates to the use of this catalytic system in ring-opening metathesis polymerisation reactions.

ПОЛИУРЕТАНЫ, ИЗГОТОВЛЕННЫЕ С ИСПОЛЬЗОВАНИЕМ МЕДЬСОДЕРЖАЩИХ КАТАЛИЗАТОРОВ

... 1. Способ получения полимера на основе полиизоцианата, включающий получение реакционной смеси, содержащей, по меньшей мере, один полиизоцианат, по меньшей мере, одно изоцианат-реакционноспособное соединение, имеющее, по меньшей мере, две изоцианат-реакционноспособные группы, и, по меньшей мере, один медьсодержащий катализатор, и затем отверждение реакционной смеси с получением полимера, где медьсодержащий катализатор содержит, по меньшей мере, один атом меди, ассоциированный с полидентатным органическим лигандом, который содержит, по меньшей мере, два комплексообразующих центра, из которых, по меньшей мере, один является азотсодержащим, где лиганд представляет собойа) α-аминогидроксил-содержащее соединение или α-иминогидроксил-содержащее соединение, имеющее одну из структур I и IAгде Rпредставляет собой группу, которая связана с упомянутым атомом азота через атом углерода, кислорода, азота или кремния, и каждый из Rи R, независимо, представляет собой водород или группу, которая связана ...

CATALYST COMPOSITION FOR THE SYNTHESIS OF VINYL ACETATE

... 1341143 Vinyl acetate COMPAGNIE FRANCAISE DE RAFFINAGE 2 Feb 1972 [5 Feb 1971 29 April 1971] 4989/72 Heading C2C [Also in Division B1] Vinyl acetate is prepared by contacting a mixture of ethylene and an oxygen-containing gas in the absence of halogen ions with a solution in pure or dilute acetic acid of a catalytic composition comprising a cupric salt and a palladium chelate, the chelating agent being a peptide or an amino acid in which the nitrogen atom is not the heteroatom of a heterocyclic ring. The catalyst may also contain a salt of an alkaline metal. The reaction is performed under a pressure of 5-150 bars, at 20-200‹ C. with agitation and may be continuous.

TRANSFER HYDROGENATION PROCEDURE AND CATALYST

METHODS OF PREPARING BULK GROUP VIII/GROUP VIB METAL CATALYSTS

Bulk metallic catalysts comprised of a Group VIII metal and a Group VIB m etal and methods for synthesizing bulk metallic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mix ed and interacted with at least one organic acid, such as glyoxylic acid, dr ied, calcined, and sulfided. The catalysts are used for hydroprocessing, par ticularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feed stocks.

Using copper catalyst preparation of polyurethane

catalisador de oxidação de alcano e método para oxidação de um alcano

C1,C2-Bridged Ligands and Catalysts

The present disclosure provides catalyst compounds including a nonsymmetric bridged amine bis(phenolate), catalyst systems including such, and uses thereof. Catalyst compounds, catalyst systems, and processes of the present disclosure can provide high comonomer content and high molecular weight polymers having narrow Mw/Mn values, contributing to good processability for the polymer itself and for the polymer used in a composition. 2. The catalyst compound of claim 1 , wherein M is Hf or Zr.3. The catalyst compound of claim 1 , wherein each Xand Xis independently a substituted or unsubstituted C-Calkyl claim 1 , phenyl claim 1 , benzyl claim 1 , naphthyl claim 1 , or cyclohexyl.4. The catalyst compound of claim 1 , wherein Ris a substituted or unsubstituted C-Cdiyl.5. The catalyst compound of claim 1 , wherein Ris selected from methanediyl claim 1 , ethanediyl claim 1 , propanediyl claim 1 , butanediyl claim 1 , pentanediyl claim 1 , hexanediyl claim 1 , heptanediyl claim 1 , octanediyl claim 1 , nonanediyl claim 1 , decanediyl claim 1 , undecanediyl claim 1 , dodecanediyl claim 1 , isomers thereof claim 1 , halide substitutes thereof claim 1 , or other substitutes thereof.6. The catalyst compound of claim 1 , wherein Ris selected from unsubstituted methanediyl claim 1 , ethanediyl claim 1 , propanediyl claim 1 , butanediyl claim 1 , or pentanediyl.7. The catalyst compound of claim 1 , wherein Lis an unsubstituted methanediyl and Lis an unsubstituted ethanediyl.8. The catalyst compound of claim 1 , wherein Qis N claim 1 , n is 2 claim 1 , and each Ris independently hydrogen or unsubstituted C-Chydrocarbyl.9. The catalyst compound of claim 1 , wherein Qis N claim 1 , n is 2 claim 1 , and each Ris independently methyl or ethyl.10. The catalyst compound of claim 1 , wherein each R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , R claim 1 , and Ris independently hydrogen claim 1 , halogen claim 1 , methyl claim 1 , ethyl claim 1 , ethenyl claim 1 , ...

Method for producing unsaturated compounds

The invention relates to a method for producing compositions containing unsaturated compounds, wherein (A) one or more unsaturated monocarboxylic acids having 10 to 24 C-atoms or esters of said monocarboxylic acids and optionally (B) one or more compounds having at least one CC double bond (wherein the compounds (B) are different from the compounds (A)) are subjected to a tandem isomerization/metathesis reaction sequence in the presence of a palladium catalyst and a ruthenium catalyst, providing that the palladium catalysts used are compounds that contain at least one structural element PdP(R1R2R3), wherein the radicals R1 to R3, independently of one another, each comprise 2 to 10 C-atoms, which may be aliphatic, alicyclic, aromatic or heterocyclic respectively, providing that at least one of the radicals R1 to R3 contains a beta-hydrogen, wherein the palladium catalyst is used as such or is produced in situ, providing that the method is carried out in the absence of substances that have ...

STERICALLY EMCUMBERED BIDENTATE AND TRIDENTATE NAPHTHOXY-IMINE METALLIC COMPLEXES

СПОСОБ МЕТАТЕЗИЗА ОЛЕФИНОВ С ИСПОЛЬЗОВАНИЕМ КАТАЛИЗАТОРА, СОДЕРЖАЩЕГО КРЕМНИЙ И МОЛИБДЕН

USE OF CELL SURFACE DISPLAYS IN YEAST CELL CATALYST SUPPORTS

Methods and compositions for providing novel catalyst supports are includ ed herein. In one embodiment, included herein are yeast cell supports includ ing one or more receptor proteins uniformly displayed on the surface of a ye ast cell having the species Saccharomyces cerevisiae. Each receptor protein is anchored to a ligand that is selective for that protein, and each ligand is, in turn, bound to a catalyst. Both the catalyst support-catalyst combina tions and the catalyst supports alone are contemplated by the invention. ...

BULK GROUP VIII/GROUP VIB METAL CATALYSTS AND METHOD OF PREPARING SAME

Bulk metallic catalysts comprised of a Group VIII metal and a Group VIB m etal and methods for synthesizing bulk metallic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mix ed and interacted with at least one organic acid, such as glyoxylic acid, dr ied, calcined, and sulfided. The catalysts are used for hydroprocessing, par ticularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feed stocks.

STERICALLY EMCUMBERED BIDENTATE AND TRIDENTATE NAPHTHOXY-IMINE METALLIC COMPLEXES

The present invention discloses post-metallocene complexes based on sterically encumbered bi- and tri-dentate naphthoxy-imine ligands. It also relates to the use of such post-metallocene complexes in the oligomerisation of ethylene to selectively prepare vinyl-end capped linear alpha-olefins.

루테늄- 또는 오스뮴-기재 착물 촉매

... 본 발명은 쉬프-염기 유형 리간드, N-헤테로시클릭 카르벤 리간드 및 CO 리간드를 포함하는 리간드의 독특한 조합을 포함하는 신규 루테늄 또는 오스뮴 기재 착물 구조를 제공하며, 이는 용이하게 접근가능한 출발 물질을 수반하는 2개의 상이한 경로에 따라 제조될 수 있고, 불포화 화합물, 올리고머 및 중합체를, 특히 예측불허한 저온에서 수소화하는데 탁월한 촉매를 나타낸다. <화학식 I> ...

USE OF METAL COMPLEX COMPOUNDS AS OXIDATION CATALYSTS

The present invention relates to the use of metal complex compounds having hydrazide ligands as oxidation catalysts. Further aspects of the invention are formulations comprising such metal complex compounds, novel metal complex compounds and novel ligands. The metal complex compounds are used especially for enhancing the action of peroxides, for example in the treatment of textile material, without at the same time causing any appreciable damage to fibres and dyeings. There is also no appreciable damage to fibres and dyeings if these metal complexes are used in combination with an enzyme or a mixture of enzymes. COPYRIGHT KIPO & WIPO 2010 ...

SELECTIVE HYDROGENATION OF CYCLOPENTADIENE

Phosphine azacrown ether compounds

Phosphine azacrown ethers and complexes thereof with selected cations as promoters for hydroformylation catalysts; adducts of said promoters with selected hydroformylation catalysts; process for making the promoters; and process for hydroformylation.

Use of cell surface displays in yeast cell catalyst supports

Methods and compositions for providing novel catalyst supports are included herein. In one embodiment, included herein are yeast cell supports including one or more receptor proteins uniformly displayed on the surface of a yeast cell having the species Saccharomyces cerevisiae. Each receptor protein is anchored to a ligand that is selective for that protein, and each ligand is, in turn, bound to a catalyst. Both the catalyst support-catalyst combinations and the catalyst supports alone are contemplated by the invention.

PROCESS FOR PREPARATION OF SUPPORTED CATALYSTS AND USE OF THE CATALYST FOR THE ESTERIFICATION OF FREE FATTY ACIDS IN VEGETABLE OIL

BULK GROUP VIII/VIB METAL CATALYSTS AND METHOD OF PREPARING SAME

CYANATION CATALYST AND METHOD FOR PRODUCING OPTICALLY ACTIVE CYANHYDRIN COMPOUND USING THE SAME

The present invention can provide a cyanation catalyst represented by the general formula (I): (in the formula (I), R1 through R4 are each an optionally substituted hydrocarbon group; R1 and R2 and/or R3 and R4 may form an optionally substituted carbon chain ring; R5 through R8 are each a hydrogen atom, or an optionally substituted hydrocarbon group; R5 and R6 and/or R7 and R8 may form an optionally substituted carbon chain ring; R9 and R10 are each a hydrogen atom, or an optionally substituted hydrocarbon group; W, X and Y each represent an optionally substituted binding chain; X and/or Y may be non-existent; M represents a metal or a metal ion; and ligands of M may each be located at any position).

СПОСОБ ПОЛУЧЕНИЯ КАТИОННЫХ КОМПЛЕКСОВ ПАЛЛАДИЯ С ТРЕТИЧНЫМИ АМИНАМИ

Изобретение относится к способу получения катионных комплексов палладия, содержащих органические и элементоорганические лиганды общей формулы [Pd(acac)(L)]A, где А – BF. Способ включает взаимодействие комплекса палладия с электронодонорными лигандами в среде дихлорметана или ацетонитрила при комнатной температуре. В качестве исходного комплекса палладия используют катионный комплекс формулы [Pd(acac)(MeCN)]BF, где асас - ацетилацетонат, MeCN – ацетонитрил. В качестве электронодонорных лигандов L используют монодентатные третичные амины, такие как трибензиламин, триэтиламин, трибутиламин, N,N-диэтиламин-2,7-октадиен, пиридин. Изобретение позволяет получить катионные комплексы палладия, которые могут быть использованы в качестве компонентов каталитических систем. 5 пр.

СПОСОБ ПОЛУЧЕНИЯ КАТАЛИЗАТОРА ОЛИГОМЕРИЗАЦИИ ЭТИЛЕНА И ЕГО ОЛИГОМЕРИЗАЦИЯ

FIELD: chemistry.SUBSTANCE: present invention relates to a catalytic composition applicable as a catalytic system for oligomerisation of ethylene, providing high activity and production of a linear oligomeric product with a broad weight percentage distribution, that is, from C4to C16. Described is a catalytic composition applicable as a catalytic system for oligomerisation of ethylene, wherein said catalytic composition comprises a zirconium amide compound with the general formulawherein X constitutes a halogen atom, preferably chlorine; m constitutes an integer with a value of 4; n constitutes a number equal to 2; R, R' andconstitute a saturated or unsaturated aliphatic C1-C10hydrocarbon; an organoaluminium compound and an additive, wherein the organoaluminium compound is selected from alkylaluminium, trialkenylaluminium, dialkylaluminium halide, alkylaluminium sesquihalide, dialkylaluminium hydride, alumoxane, dialkylaluminium alkoxide and mixtures thereof, wherein: (i) alkylaluminium constitutes a trialkylaluminium halide selected from triethylaluminium chloride; (ii) trialkenylaluminium constitutes triisoprenylaluminium; (iii) dialkylaluminium halide is selected from diethylaluminium chloride; (iv) alkylaluminium sesquigalide is selected from ethylaluminium sesquichloride; (v) dialkylaluminium hydride is selected from dibutylaluminium hydride; (vi) alumoxane is selected from methylalumoxane; and (vii) dialkylaluminium alkoxide constitutes diethylaluminium ethoxide; wherein the additive is selected from a group consisting of an ether, an ester, an amine, an anhydride and a sulphur compound; or, preferably, wherein the additive is selected from ethyl acetate, ethyl acetoacetate, ethyl benzoate, anisole, tetrahydrofurane, 1,2-dioxane, isobutylamine, acetic anhydride, thiophene and mixtures thereof.EFFECT: creation of a catalytic composition applicable as a catalytic system for oligomerisation of ethylene, capable of ensuring production of highly pure linear ...

Recyclable chiral catalyst for asymmetric nitroaldol reaction and process for the preparation thereof

The present invention relates to preparation of highly efficient chiral recyclable homogeneous catalysts generated in situ by the reaction of chiral oligomeric [H ...

METHODS OF PREPARING BULK GROUP VIII/GROUP VIB METAL CATALYSTS

Bulk metallic catalysts comprised of a Group VIII metal and a Group VIB metal and methods for synthesizing bulk metallic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mixed and interacted with at least one organic acid, such as glyoxylic acid, dried, calcined, and sulfided. The catalysts are used for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.

STERICALLY EMCUMBERED BIDENTATE AND TRIDENTATE NAPHTHOXY-IMINE METALLIC COMPLEXES

The present invention discloses post-metallocene complexes based on sterically encumbered bi- and tri-dentate naphthoxy-imine ligands. It also relates to the use of such post-metallocene complexes in the oligomerisation of ethylene to selectively prepare vinyl-end capped linear alpha-olefins.

Bicyclic amide acetal modified catalysts for polyurethane polymer formation

A catalyst composition which is useful in the preparation of polyurethanes by reaction of polyols with polyisocyanates is prepared by the reaction of a metal salt having the formula MXn wherein M represents potassium, zinc, copper, nickel, cobalt, iron, bismuth, lead, vanadium, or antimony, X represents a carboxylate group having from 2 to 20 carbon atoms, a halogen or an alkoxide group having from 1 to 20 carbon atoms, and n is a number equal to the valence state of M with a bicyclic amide acetal having the formula см. иллюстрацию в PDF-документе wherein R, R" and R' independently represent hydrogen, an alkyl group having from 1 to 20 carbon atoms, an alkyl ether group having from 1 to 20 carbon atoms, an aryl group having from 6 to 12 carbon atoms, an aryl ether group having from 6 to 12 carbon atoms, an alkaryl group having from 7 to 20 carbon atoms or an alkaryl ether group having from 7 to 20 carbon atoms.

Preparation method of 3,5-substituted thiazolidine -2- thioketone compound

Preparation method of tetrahydrocarbyl substituted biphenyl

INHIBITORS OF RUTHENIUM OLEFIN METATHESIS CATALYSTS

Production method for 2-alkenylamine compound

Provided is a method for producing a 2-alkenylamine compound efficiently and at low cost, using a primary or secondary amine compound and a 2-alkenyl compound as the starting materials therefor. The 2-alkenylamine compound is produced by adding Bronsted acid when 2-alkenylating by reacting the primary or secondary amine compound with the 2-alkenyl compound, and 2-alkenylating in the presence of a catalyst comprising a complexing agent and a transition metal precursor stabilized by a monovalent anionic five-membered conjugated diene.

NICKEL CONTAINING COMPLEX AND CONDENSATION REACTION CATALYSTS, METHODS FOR PREPARING THE CATALYSTS, AND COMPOSITIONS CONTAINING THE CATALYSTS

A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.

Catalyst and method for alkli-free purification of oil raw materials from mercaptans

A catalyst for alkali-free purification of oil raw material, consisting of a metalocomplex selected from the group consisting of a solid metalocomplex and a liquid metalocomplex with a general formula (CuIICl)2O(L1)2-4(L2)1-4, where L1 is amino alcohol L2 is acetonitrol or single atom alcohol.

BULK GROUP VIII/GROUP VIB METAL CATALYSTS AND METHOD OF PREPARING SAME

Bulk metallic catalysts comprised of a Group VIII metal and a Group VIB metal and methods for synthesizing bulk metallic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mixed and interacted with at least one organic acid, such as glyoxylic acid, dried, calcined, and sulfided. The catalysts are used for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.

Preparation method of gold-based catalyst for preparing vinyl chloride by acetylene hydrochlorination method

ORGANOMETALLIC COMPLEXES AS CATALYST PRECURSORS FOR SELECTIVE OLEFIN DIMERIZATION AND PROCESSES THEREFOR

Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts, wherein the catalytic component is of the formula (I) where M is selected from the group of Ti, Zr, Hg, Ni, and V and R and R' are selected from the group consisting of hydrogen, alkyl, aryl, alkenyl, alkinyl, alkyloxy, substituted aryl, and halogens, are provided.

ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE

Disclosed herein is a method for selectively reducing, using electrical energy, COto carbon monoxide or formic acid, a catalyst for use in the method, and an electrochemical reduction system. The method for producing carbon monoxide or formic acid by electrochemically reducing carbon dioxide of the present invention includes (a) reacting carbon dioxide with a metal complex represented by formula (1), and (b) applying a voltage to a reaction product of the carbon dioxide and the metal complex represented by formula (1): 2. The production method according to claim 1 , wherein the steps (a) and (b) are performed within an electrochemical cell including a working electrode and a counter electrode claim 1 , and the method comprises:(a1) introducing carbon dioxide into a solution comprising the metal complex held in the electrochemical cell; and(b1) applying a negative voltage and a positive voltage respectively to the working electrode and the counter electrode of the electrochemical cell.3. The production method according to claim 2 , wherein the carbon dioxide is introduced by introducing a carbon dioxide-containing gas into the solution containing the metal complex.4. The production method according to claim 1 , wherein the carbon dioxide to be reacted is a gas containing 0.03 to 100% of carbon dioxide.5. The production method according to claim 1 , wherein the nitrogen atom-containing heterocycle is a heterocycle having a 2 claim 1 ,2′-bipyridine structure optionally having a substituent.6. The production method according to claim 1 , wherein each hydrocarbon group optionally having a substituent represented by R claim 1 , R claim 1 , R claim 1 , R claim 1 , X claim 1 , Xand Xis one selected from the group consisting of an alkyl group claim 1 , an alkenyl group claim 1 , a cycloalkyl group claim 1 , a cycloalkenyl group and an aromatic hydrocarbon group claim 1 , each of which optionally has one to three substituents selected from the group consisting of a primary ...

Bicyclic alkyl compounds and synthesis

Disclosed herein are compounds of the general Formula (I), and methods of synthesizing a substituted bicyclo[1.1.1]pentane using a Group VII or Group IX transition metal compound.

Transfer hydrogenation

OXO CATALYST

... 1,243,190. Complexes of rhodium, osmium or iridium. BRITISH PETROLEUM CO. Ltd. 20 Nov., 1968 [5 Dec., 1967], No. 38579/70. Divided out of 1,243,189. Heading C2C. Novel oxo process catalysts comprise complexes of Rh, Os or Ir containing at least one neutral complexing ligand, other than a triphenylphosphine, triphenylstibine or triphneylarsine ligand, containing a Group VB or VIB element having a single pair of electrons available for donation and a bidentate ligand coordinating through at least one oxygen atom. Specified neutral ligands include amines, NH 3 , NH 2 OH, ethers, phosphines, arsines, stibines, mercaptans, sulphoxides, phosphites, arsenites, stibinites, pyridines and phenanthroline. Specified bidentate ligands are keto-enolates and naono-Schiff's bases of ketoenolates, specifically acetylacetone, dibenzoylmethane, benzoylacetone, trifluoroacetylacetone, hexafluoroacetylacetone, dipivaloylmethane, 2-acetylcyclohexanone, 3 - ethylacetylacetone, 3 - propenylacetylacetone, 3 - isobutylacetylacetone ...

Methods of 1,3-enyne preparation using copper (I) catalysts

SELECTIVE HYDROGENATION OF CYCLOPENTADIENE

SELECTIVE CATALYSTS HAVING HIGH TEMPERATURE ALUMINA SUPPORTS FOR NAPHTHA HYDRODESULFURIZATION

This invention relates to a catalyst and method for hydrodesulfurizing naphtha. More particularly, a Co/Mo metal hydrogenation component is loaded on a high temperature alumina support in the presence of a dispersion aid to produce a catalyst that is then used for hydrodesulrurizing naphtha. The high temperature alumina support has a defined surface area that minimizes olefin saturation.

USE OF SURFACE DISPLAY PROTEINS TO DISPLAY INORGANIC CATALYSTS ON THE SURFACE OF A YEAST, BACTERIUM OR VIRION

Methods and compositions for providing inorganic catalysts displayed on the surface of biological particles such as a cell or virion are described. In an exemplary embodiment the biological particle is a yeast cell including one or more receptor proteins uniformly displayed on the surface of the yeast Saccharomyces cerevisiae. Each receptor protein is anchored to a ligand that is selective for that protein, and each ligand is, in turn, bound to a catalyst. Other contemplated embodiments include where the biological particles are other yeasts, bacterial cells or virions where a protein may be displayed on the surface and linked to a ligand that binds the inorganic catalyst.

Method for preparing 1,6-adipaldehyde through selective oxidation of cyclohexene

이산화탄소와 에폭사이드의 공중합용의 금속 착체

... 본 발명은 이산화탄소와 에폭사이드의 공중합에 있어서 증가된 활성을 지니는 단분자 금속 착체를 제공한다. 또, 중합체의 합성에 있어서 이러한 금속 착체를 이용하는 방법이 제공된다. 일 양상에 따르면, 본 발명은 착체의 활성 금속 중심에 배위된 다좌 리간드에 테더링된 공촉매 활성을 지니는 활성화 종을 포함하는 금속 착체를 제공한다.

ZIRCONIUM CONTAINING COMPLEX AND CONDENSATION REACTION CATALYSTS, METHODS FOR PREPARING THE CATALYSTS, AND COMPOSITIONS CONTAINING THE CATALYSTS

A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.

CATALYST SUPPORT MATERIAL COMPRISING POLYAZOLE SALT, ELECTROCHEMICAL CATALYST, AND THE PREPARATION OF A GAS DIFFUSION ELECTRODE AND A MEMBRANE-ELECTRODE ASSEMBLY THEREFROM

A catalyst material comprising an electrically conducting support material, a proton-conducting, acid-doped polymer based on a polyazole salt, and a catalytically active material. A process for preparing the catalyst material. A catalyst material prepared by the process of the invention. A catalyst ink comprising the catalyst material of the invention and a solvent. A catalyst-coated membrane (CCM) comprising a polymer electrolyte membrane and also catalytically active layers comprising a catalyst material of the present invention. A gas diffusion electrode (GDE) comprising a gas diffusion layer and a catalytically active layer comprising a catalyst material of the invention. A membrane-electrode assembly (MEA) comprising a polymer electrolyte membrane, catalytically active layers comprising a catalyst material of the invention, and gas diffusion layers. And a fuel cell comprising a membrane-electrode assembly of the present invention.

METHOD FOR PRODUCING UNSATURATED COMPOUNDS

Catalysts for epoxide carbonylation

The present invention encompasses catalysts for the carbonylation of heterocycles such as ethylene oxide, as well as methods for their use. The catalysts feature Lewis acidic metal complexes having one or more tethered metal-coordinating groups in combination with at least one metal carbonyl species. In preferred embodiments, the inventive catalysts have improved stability when subjected to product separation conditions in continuous ethylene oxide carbonylation processes.

SELECTIVE HYDROGENATION OF CYCLOPENTADIENE

INVENTORS: Lawson G Wideman and Henry R Menapace INVENTION: SELECTIVE HYDROGENATION OF CYCLOPENTADIENE There is disclosed a method of selective hydrogenation of cyclopentadiene which comprises contacting cyclopentadiene with hydrogen in the presence of a catalyst comprising aluminum trialkyl and organonickel compounds. The preferred solvent system for the hydrogenation process is an aliphatic alcohol.

ENERGY-EFFICIENT SOLVENT-FREE METHOD FOR PRODUCING METAL CHELATES

The invention relates to a method for producing, amongst other things, amino-acid and/or hydroxycarboxylic-acid metal chelates, a solvent-free mixture of at least one metal oxide, metal hydroxide, metal carbonate or oxalate, and the solid organic acid is subjected to intensive mechanical stress. According to the invention, this is done in that the reaction partners are introduced in particle form into a fluid stream of a fluid-bed countercurrent mill operating without grinding elements, wherein mechanical activation of at least one of the reaction partners is effected by collision processes within a reaction chamber formed in a region of the fluid stream, and a solid body reaction to form the metal chelate is triggered. The novel method operates very energy-efficiently and with a high specific yield. It leads to a product having compact particles in the small, single-digit micrometer range having a comparatively narrow particle size distribution and a large surface. The product is homogenous ...

Selective catalysts having high temperature alumina supports for naphtha hydrodesulfurization

PROCEEDED Of OLIGOMERIZATION OF OLEFINS USING a CATALYTIC COMPOSITION INCLUDING/UNDERSTANDING an ORGANOMETALLIC COMPLEX CONTAINING a LIGAND PHENOXY FUNCTIONALIZES BY a HETEROATOM

바이사이클릭 알킬 화합물 및 합성

... 화학식 (I)의 화합물, 및 VII족 또는 IX족 전이금속 화합물을 사용하는 치환된 바이사이클로[1.1.1]펜탄의 합성 방법이 개시되어 있다.

METHOD FOR PRODUCING UNSATURATED COMPOUNDS

The invention relates to a method for producing compositions containing unsaturated compounds, wherein (A) one or more unsaturated monocarboxylic acids having 10 to 24 C-atoms or esters of said monocarboxylic acids and optionally (B) one or more compounds having at least one C=C double bond (wherein the compounds (B) are different from the compounds (A)) are subjected to a tandem isomerization/metathesis reaction sequence in the presence of a palladium catalyst and a ruthenium catalyst, providing that the palladium catalysts used are compounds that contain at least one structural element Pd-P(R1R2R3), wherein the radicals R1 toR3 , independently of one another, each comprise 2 to 10 C-atoms, which may be aliphatic, alicyclic, aromatic or heterocyclic respectively, providing that at least one of the radicals R1 toR3 contains a beta-hydrogen, wherein the palladium catalyst is used as such or is produced in situ, providing that the method is carried out in the absence of substances that have ...

Bulk group VIII/group VIB metal catalysts and method of preparing same

Bulk metallic catalysts comprised of a Group VIII metal and a Group VIB metal and methods for synthesizing bulk metallic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mixed and interacted with at least one organic acid, such as glyoxylic acid, dried, calcined, and sulfided. The catalysts are used for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.

Catalyst for asymmetric hydrogenation and method for manufacturing optically active carbonyl compound using the same

The present invention provides a catalyst used for manufacturing an optically active carbonyl compound by selective asymmetric hydrogenation of an alpha,beta-unsaturated carbonyl compound, which is insoluble in a reaction mixture, and a method for manufacturing the corresponding optically active carbonyl compound. Particularly, the invention provides a catalyst for obtaining an optically active citronellal useful as a flavor or fragrance, by selective asymmetric hydrogenation of citral, geranial or neral. The invention relates to a catalyst for asymmetric hydrogenation of an alpha,beta-unsaturated carbonyl compound, which comprises: a powder of at least one metal selected from metals belonging to Group 8 to Group 10 of the Periodic Table, or a metal-supported substance in which the at least one metal is supported on a support; an optically active peptide compound; and an acid, and also relates to a method for manufacturing an optically active carbonyl compound using the same.

ASYMMETRIC CATALYSTS

The present invention relates to asymmetric catalysts, including redox-reconfigurable asymmetric catalysts. Methods of producing compounds having one or more stereocenters using the asymmetric catalysts of the present invention are also disclosed.

TRANSFER HYDROGENATION PROCESS AND CATALYST

A catalytic transfer hydrogenation process is provided. The catalyst employed in the process is a metal hydrocarbyl complex which is coordinated to defined bidentate ligands substituted with at least one group selected from an optionally substituted sulphonated hydrocarbyl group, a sulphonated perhalogenated hydrocarbyl group, or an optionally substituted sulphonated heterocyclyl group. Preferred metals include rhodium, ruthenium and iridium. Preferred bidentate ligands are diamines and aminoalcolols, particularly those comprising chiral centres. The hydrogen donor is advantageously a secondary alcohol or a mixture of thiethylamine and formic acid. The process can be employed to transfer hydrogenate ketones and imines, which are preferably prochiral. Catalysts for use in such a process are also provided.

COMPOUNDS FOR COORDINATING WITH A METAL, COMPOSITIONS CONTAINING SUCH COMPOUNDS, AND METHODS OF CATALYZING REACTIONS

A compound capable of coordinating with a metal includes a chemical structure as shown in claim 1, in which: EPD represents a group having an electron pair donor atom; B and B' are each independently an aryl group, a heteroaryl group, an alkenyl group, or alkynyl group, or B and B' form a spirocyclic group; and R1, R2, and R3 are selected from various substituents.

METHODS OF 1,3-ENYNE PREPARATION USING COPPER (I) CATALYSTS

CATALYSTS FOR EPOXIDE CARBONYLATION

The present invention encompasses catalysts for the carbonylation of heterocycles such as ethylene oxide, as well as methods for their use. The catalysts feature Lewis acidic metal complexes having one or more tethered metal-coordinating groups in combination with at least one metal carbonyl species. In preferred embodiments, the inventive catalysts have improved stability when subjected to product separation conditions in continuous ethylene oxide carbonylation processes.

BICYCLIC ALKYL COMPOUNDS AND SYNTHESIS

Disclosed herein are compounds of the general Formula (I), and methods of synthesizing a substituted bicyclo[1.1.1]pentane using a Group VII or Group IX transition metal compound.

Chiral Schiff base ligand, chiral metal complex with, and preparation method and application of chiral metal complex

Alkane oxidation

Embodiments include an alkane oxidation catalyst having a support modified with a carboxylate group. The carboxylate group is functionalized with a manganese complex selected from the group consisting of [(C6H12N3R3)Mn(OCH3)3]Z, [(C6H12N3R3)Mn2O3]Z2, [(C6H15N3)Mn4O6]Z4. Each R is independently an alkyl group having 1 to 3 carbons, and each Z is independently PF6 -, ClO4 -, or Br-.

Method for preparing benzothiazole compound through microwave catalysis in water phase

Coordination polymer Salen-Rh(II) and preparation method and application thereof

Cu compound with electrocatalytic activity on H2O2 and NaNO2 and preparation method of Cu compound

SELECTIVE HYDROGENIZING PROCESS OF CYCLOPENTADIENE

N ortho acyl substituted nitrogen-containing heterocyclic compound and process for preparing aminal iron (II) complexes thereof

N ortho acyl substituted nitrogen-containing heterocyclic compound and procss for preparing aminal iron (II) complexes thereof

Catalyst for Akili-Free Purification of Oil Raw Materials from Mercaptans

A catalyst for alkali-free purification of oil raw materials includes a solid metalocomplex or a liquid metalocomplex with a general formula (Cu M Cl)20(Li)2̂(L 2 )î, where Li is amino alcohol, L2 is acetonitryl or single atom alcohol.

N ortho acyl substituted nitrogen-containing heterocyclic compound and process for preparing aminal iron (ii) complexes thereof

Provided are a process for preparing an N ortho acyl substituted nitrogen-containing heterocyclic compound and an aminal iron (II) complex thereof, and the use of the complexes obtained by the process in an olefin oligomerization catalyst. The N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is for example 2-acyl-1,10-phenanthroline or 2,6-diacetyl pyridine as shown in formula b, and the N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is produced by a reaction of a precursor thereof in a substituted or unsubstituted nitrobenzene. Preferably the precursor shown in formula I in the present invention is produced by 1,10-phenanthroline reacting with trialkyl aluminum, or a halogenoalkyl aluminum R n AlX m , or a substituted or unsubstituted benzyl lithium 2 Li, followed by hydrolysis. The preparation method provided in the present invention has a few synthetic steps, an easy process, a low toxic effect, and reduces the preparation costs of the catalyst, and has a promising outlook in the industrial application.

Method for Producing Unsaturated Compounds

The invention relates to a method for producing compositions containing unsaturated compounds, wherein (A) one or more unsaturated monocarboxylic acids having 10 to 24 C-atoms or esters of said monocarboxylic acids and optionally (B) one or more compounds having at least one C═C double bond (wherein the compounds (B) are different from the compounds (A)) are subjected to a tandem isomerization/metathesis reaction sequence in the presence of a palladium catalyst and a ruthenium catalyst, providing that the palladium catalysts used are compounds that contain at least one structural element Pd—P(R 1 R 2 R 3 ), wherein the radicals R 1 to R 3 , independently of one another, each comprise 2 to 10 C-atoms, which may be aliphatic, alicyclic, aromatic or heterocyclic respectively, providing that at least one of the radicals R 1 to R 3 contains a beta-hydrogen, wherein the palladium catalyst is used as such or is produced in situ, providing that the method is carried out in the absence of substances that have a pKa value of 3 or less.

SUSTAINABLE PROCESS FOR PREPARING POLYESTERS HAVING HIGH GLASS TRANSITION TEMPERATURE

Aspects of the present invention concern the ring-opening copolymerization (ROCOP) of aromatic anhydrides and epoxides, such as terpene oxides, using sustainable starting materials, as well as the resulting polyester products having an unusually high glass transition temperature and low dispersity. 3. The process according to claim 1 , wherein the nucleophile catalyst is a halide salt.4. The process according to claim 1 , wherein the nucleophile catalyst is a bis-triphenylphosphine iminium halide salt.6. The process according to claim 1 , wherein M is Fe.7. The process according to claim 1 , wherein the aromatic anhydride (I) is selected from the group consisting of phthalic anhydride claim 1 , 1 claim 1 ,2-naphthalic anhydride claim 1 , and 2 claim 1 ,3-naphthalic anhydride claim 1 , optionally substituted with one or more substituents selected from the group consisting of (C-C)alkyl claim 1 , halo claim 1 , (C-C)alkyloxy claim 1 , (C-C)haloalkyl claim 1 , cyano and nitro.8. The process according to claim 7 , wherein the aromatic anhydride (I) is unsubstituted.9. The process according to claim 1 , wherein the epoxide (II) is a terpene oxide.10. The process according to claim 1 , wherein the epoxide (II) is selected from the group consisting of limonene oxide claim 1 , cyclohexadiene oxide claim 1 , cyclohexene oxide claim 1 , carene oxide claim 1 , menthene oxide claim 1 , and limonene dioxide.11. The process according to claim 10 , wherein the epoxide (II) is limonene oxide or menthene oxide.13. The polyester co-polymer according to having a glass transition temperature of no more than 170° C.16. The process according to claim 14 , wherein the nucleophile catalyst is a halide salt.17. The process according to claim 14 , wherein the nucleophile catalyst is a bis-triphenylphosphine iminium halide salt.19. The process according to claim 14 , wherein M is Fe.20. The process according to claim 14 , wherein the aromatic anhydride (IV) is 1 claim 14 ,8-naphthalic ...

OLEFIN METATHESIS METHOD USING A CATALYST CONTAINING SILICON AND MOLYBDENUM

The invention relates to a process for the metathesis of olefins implemented with a catalyst comprising a mesoporous matrix and at least the elements molybdenum and silicon, said elements being incorporated into said matrix by means of at least one precursor comprising molybdenum and silicon and having at least one sequence of Si—O—Mo bonds. 1. Process for the metathesis of olefins carried out by bringing the olefins into contact with a catalyst comprising a mesoporous matrix and at least the elements molybdenum and aluminium , said elements being incorporated into said matrix using at least one precursor comprising molybdenum and silicon and having at least one sequence of Si—O—Mo bonds.2. Process according to in which the precursor is a molybdenum coordination complex containing a siloxy ligand and comprising at least one sequence of Si—O—Mo bonds and/or a precursor of heteropolyanion type based on molybdenum containing at least one sequence of Si—O—Mo bonds.4. Process according to claim 2 , in which when the precursor is a precursor of molybdenum coordination complex type containing a siloxy ligand claim 2 , it corresponds to formula (Ia):{'br': None, 'sub': m', 'n′', '3', 'p, 'Mo(≡N)(OSiR)\u2003\u2003(Ia)'}in whichthe R groups, identical to or different from each other, can be selected from the substituted or unsubstituted alkyl, cycloalkyl and aryl groups, preferably comprising between 1 and 10 carbon atoms, or from the substituted or unsubstituted cycloalkyl and aryl groups,m is equal to 1 or 2,n′ is comprised between 0 and 2,p is comprised between 1 and 10.5. Process according to in which when the precursor is a precursor of molybdenum coordination complex type containing a siloxy ligand claim 2 , it corresponds to formula (Ib){'br': None, 'sub': m', 'n', '3', 'p, 'Mo(═O)(OSiR)\u2003\u2003(Ib)'}in whichthe R groups, identical to or different from each other, can be selected from the substituted or unsubstituted alkyl, cycloalkyl and aryl groups, preferably ...

Mixed Catalyst System

This invention relates to a supported catalyst system comprising a first iron based catalyst, a second group 4 metal catalyst, a support material, and an activator; wherein the first catalyst is represented by Formula (I) and the second catalyst is represented by Formula (II): 2. The supported catalyst system of claim 1 , wherein M is Hf or Zr.3. The supported catalyst system of claim 1 , where in Formula (I) claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , R optionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , Roptionally bonds with R claim 1 , and Roptionally bonds with R claim 1 , in each case to independently form a five- claim 1 , six- or seven-membered ring; and{'sup': 1′', '2′', '2′', '3′', '3′', '4′', '4′', '5′', '5′', '6′', '6′', '7′', '7′', '9′', '9′', '10′, 'in Formula (II) for example, R optionally bonds with R, and R optionally bonds with R, R optionally bonds with R, R optionally bonds with R, R optionally bonds with J′, G′ optionally bonds with R, R optionally bonds with R, R optionally bonds with R′, R′ optionally bonds with R, R optionally bonds with R in each case to independently form a five-, six- or seven-membered ring.'}4. The supported catalyst system of claim 1 , wherein the first catalyst is one or more of:bis(2,6-[1-(2,6-dimethylphenylimino)ethyl])pyridineiron dichloride,bis(2,6-[1-(2,4,6-trimethylphenylimino)ethyl)])pyridineiron dichloride,bis(2,6-[1-(2,6-dimethylphenylimino)ethyl]-ethyl])pyridineiron dichloride,2-[1-(2,4,6-trimethylphenylimino)ethyl]-6-[1-(2,4-dichloro-6-methylphenylimino)ethyl]pyridineiron dichloride,2-[1-(2,6-dimethylphenylimino)ethyl]-6-[1-(2-chloro-6-methylphenylimino)ethyl]pyridineiron dichloride ...

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 ...

POLYCARBONATE POLYOL COMPOSITIONS AND METHODS

In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of COand epoxides comprising 1) a catalyst including a metal coordination compound having a permanent ligand set and at least one ligand that is a polymerization initiator, and 2) a chain transfer agent having one or more sites capable of initiating copolymerization of epoxides and CO, wherein the chain transfer agent contains one or more masked hydroxyl groups. In a second aspect, the present disclosure encompasses methods for the synthesis of polycarbonate polyols using the inventive polymerization systems. In a third aspect, the present disclosure encompasses polycarbonate polyol compositions characterized in that the polymer chains have a high percentage of —OH end groups, a high percentage of carbonate linkages, and substantially all polycarbonate chains having hydroxyl end groups have no embedded chain transfer agent. 1. A polymerization system for the copolymerization of COand epoxides , the system comprising:a metal complex including a permanent ligand set and at least one ligand that is a polymerization initiator, and{'sub': '2', 'a chain transfer agent having one or more sites capable of initiating copolymerization of epoxides and CO, wherein the chain transfer agent contains one or more masked hydroxyl groups.'}2. The polymerization system of claim 1 , wherein the chain transfer agent has a structure Y-A-(Y) claim 1 , wherein:{'sub': '2', 'each —Y group is independently a functional group capable of initiating chain growth of epoxide COcopolymers or a protected hydroxyl group, wherein at least one Y group is a protected hydroxyl group and the number of Y protected hydroxyl groups is less than the total number of Y groups;'}-A- is a multivalent moiety; andn′ is an integer between 1 and 10, inclusive.4. The polymerization system of claim 3 , wherein each Y group is independently selected from the group consisting of —OR claim 3 , —OH claim 3 , and —C(O)OH.5. ...

HETERGENOUS CATALYSIS FOR THE ACETIC ACID PRODUCTION BY METHANOL CARBONYLATION

Disclosed is a heterogeneous catalyst for producing acetic acid by carbonylation of methanol. In the heterogeneous catalyst, a rhodium complex ion is ionically bonded to an insoluble catalyst support, and the insoluble catalyst support includes a fluoropolymer having a quaternary pyridine radical alone or in combination with an acetate radical grafted on the surface thereof. According to the disclosure, a fixed-bed bubble column reactor can be easily designed. In addition, a special device for catalyst separation is not required, and thus the device manufacturing cost can be saved, the operating cost can be reduced due to process simplification, and productivity can be greatly increased. 1. A heterogeneous catalyst for producing acetic acid by carbonylation of methanol , wherein a rhodium complex ion is ionically bonded to an insoluble catalyst support , and the insoluble catalyst support includes a fluoropolymer having a quaternary pyridine radical alone or in combination with an acetate radical grafted on a surface thereof.2. The heterogeneous catalyst of claim 1 , wherein grafting the pyridine radical as a ligand on the surface of the fluoropolymer is achieved by diluting vinylpyridine in a solvent to a concentration of 20 wt % to 70 wt % claim 1 , adding Mohr's salt as a polymerization inhibitor thereto claim 1 , and irradiating cobalt gamma rays.3. The heterogeneous catalyst of claim 1 , wherein grafting the pyridine radical and the acetate group as a ligand to the surface of the fluoropolymer is achieved by mixing more than 0 mol % but not more than 35 mol % of vinyl acetate with vinylpyridine to obtain a vinylpyridine/vinyl acetate mixture claim 1 , diluting the vinylpyridine/vinyl acetate mixture in a solvent to a concentration of 20 wt % to 70 wt % claim 1 , adding Mohr's salt as a polymerization inhibitor thereto claim 1 , and irradiating cobalt gamma rays.4. The heterogeneous catalyst of any one of claims 1 , wherein the fluoropolymer for grafting is any ...

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: (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. The invention also relates to biofuels obtainable by the inventive process and to uses of ethylene for adjusting and optimizing biofuels.

CATALYTIC CARBONYLATION CATALYSTS AND METHODS

In one aspect, the present invention provides catalysts for the carbonylation of heterocycles. The inventive catalysts feature metal-ligand complexes having cationic functional groups tethered to the ligand, wherein the tethered cationic groups are associated with anionic metal carbonyl species. The invention also provides methods of using the inventive catalysts to affect the ring opening carbonylation of epoxides. 1. A catalyst for the carbonylation of heterocycles comprising the combination of:i) one or more cationic functional moieties, where each cationic functional moiety comprises a linker and 1 to 4 cationic functional groups;ii) one or more ligands to which at least one cationic functional moiety is covalently tethered wherein the one or more ligand(s) are coordinated to one or two metal atoms; andiii) at least one anionic metal carbonyl species associated with a cation present on the metal complex.2. The catalyst of claim 1 , wherein the one or more ligands to which at least one cationic functional moiety is covalently tethered is selected from the group consisting of porphryin ligands and salen ligands.3. The catalyst of claim 2 , wherein catalyst comprises a salen or porphyrin complex of a metal selected from the group consisting of: Zn(II) claim 2 , Cu(II) claim 2 , Mn(II) claim 2 , Co(II) claim 2 , Ru(II) claim 2 , Fe(II) claim 2 , Co(II) claim 2 , Rh(II) claim 2 , Ni(II) claim 2 , Pd(II) claim 2 , Mg(II) claim 2 , Al(III) claim 2 , Cr(III) claim 2 , Cr(IV) claim 2 , Ti(IV) claim 2 , Fe(III) claim 2 , Co(III) claim 2 , Ti(III) claim 2 , In(III) claim 2 , Ga(III) claim 2 , Mn(III).4. The catalyst of claim 2 , wherein the catalyst comprises a salen or porphyrin complex of aluminum.5. The catalyst of claim 2 , wherein the catalyst comprises a salen or porphyrin complex of chromium.6. The catalyst of claim 1 , wherein the one or more cationic functional groups comprise onium salts.7. The catalyst of claim 1 , wherein the onium salts comprise at least one ...

CATALYSTS FOR EPOXIDE CARBONYLATION

The present invention encompasses catalysts for the carbonylation of heterocycles such as ethylene oxide, as well as methods for their use. The catalysts feature Lewis acidic metal complexes having one or more tethered metal-coordinating groups in combination with at least one metal carbonyl species. In preferred embodiments, the inventive catalysts have improved stability when subjected to product separation conditions in continuous ethylene oxide carbonylation processes. 1. A metal complex for the carbonylation of heterocycles comprising the combination of:i) one or more tethered metal-coordinating moieties, where each metal-coordinating moiety comprises a linker and 1 to 4 metal-coordinating groups;ii) one or more ligands to which the one or more metal-coordinating moieties are covalently tethered, wherein the one or more ligands are coordinated to one or two metal atoms; andiii) at least one metal carbonyl species associated with a metal-coordinating moiety present on the metal complex.2. The metal complex of claim 1 , wherein the one or more ligands to which at least one metal-coordinating moiety is covalently tethered is selected from the group consisting of porphryin ligands and salen ligands.3. The metal complex of claim 2 , wherein metal complex comprises a salen or porphyrin complex of a metal selected from the group consisting of: Zn(II) claim 2 , Cu(II) claim 2 , Mn(II) claim 2 , Co(II) claim 2 , Ru(II) claim 2 , Fe(II) claim 2 , Co(II) claim 2 , Rh(II) claim 2 , Ni(II) claim 2 , Pd(II) claim 2 , Mg(II) claim 2 , Al(III) claim 2 , Cr(III) claim 2 , Fe(III) claim 2 , Co(III) claim 2 , Ti(III) claim 2 , In(III) claim 2 , Ga(III) claim 2 , Mn(III).4. The metal complex of claim 2 , wherein the metal complex comprises a salen or porphyrin complex of aluminum.5. The metal complex of claim 2 , wherein the metal complex comprises a salen or porphyrin complex of chromium.6. The metal complex of claim 1 , wherein a metal-coordinating moiety comprises one or more ...

Catalyst recycle methods

The present invention provides novel solutions to the problem of recycling carbonylation catalysts in epoxide carbonylation processes. The inventive methods are characterized in that the catalyst is recovered in a form other than as active catalyst. In some embodiments, catalyst components are removed selectively from the carbonylation product stream in two or more processing steps. One or more of these separated catalyst components are then utilized to regenerate active catalyst which is utilized during another time interval to feed a continuous carbonylation reactor.

METHODS OF MAKING OLEFINIC E- AND Z-ISOMERS

Method of making a second olefin using a first olefin, comprising steps (A) and (B): (A) performing a metathesis reaction with the first olefin in the presence of a metal complex configured to catalyse said metathesis reaction; (B) epoxidizing an olefin contained in the reaction mixture obtained in step (A) to form an epoxide; and deoxygenizing said epoxide to form said second olefin. 1. A method of making a second olefin using a first olefin , comprising steps (A) and (B):(A) performing a metathesis reaction with the first olefin in the presence of a metal complex configured to catalyse said metathesis reaction in order to obtain a reaction mixture containing an olefin; and(B) epoxidizing the olefin contained in the reaction mixture obtained in step (A) to form an epoxide; and deoxygenizing said epoxide to form said second olefin.2. The method of claim 1 , wherein the first olefin comprises an E-isomer and a Z-isomer of the olefin.3. The method of claim 2 , wherein the ratio of the E-isomer to the Z-isomer is in the range of from 1:1 to 9:1.4. The method of claim 2 , wherein said second olefin is said Z-isomer claim 2 , further comprising the enrichment of the E-isomer over the Z-isomer claim 2 , and the subsequent conversion of the E-isomer into the Z-isomer to form the second olefin claim 2 , wherein step (A) comprises step (A1):(A1) subjecting the first olefin comprising a mixture of the E-isomer and the Z-isomer to a cross metathesis reaction with a third olefin in the presence of the metal complex, wherein the metal complex is configured to favour reaction of said third olefin with said Z-isomer over the reaction of said third olefin with said E-isomer.5. The method of claim 4 , wherein said third olefin is a Colefin.6. The method of claim 4 , wherein said third olefin is ethylene.7. The method of claim 4 , further comprising conversion of the E-isomer enriched in step (A1) to the Z-isomer claim 4 , the conversion comprising steps (B1) to (B4):(B1) epoxidizing ...

RUTHENIUM- OR OSMIUM-BASED COMPLEX CATALYSTS

The present invention provides novel ruthenium or osmium based complex structures with a unique combination of ligands comprising a Schiff-base type ligand, a N-heterocyclic carbene ligand and a CO ligand which can be prepared according to two different routes involving easily accessible starting materials and which represent excellent catalysts for hydrogenating unsaturated compounds, oligomers and polymers, in particular at unforeseeably low temperatures. 2. The complexes of general formula (I) according to claim 1 ,wherein:M is ruthenium;Y is H or Cl;{'sup': 1', '2', '3', '4, 'claim-text': [{'sub': '2', 'H; NO; F, Cl, or Br; or'}, {'sub': 1', '8, 'straight chain or branched, substituted or unsubstituted C-C-alkyl, more preferably methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, and tert.-butyl; or'}, {'sub': 5', '8, 'substituted or unsubstituted C-C-cycloalkyl, more preferably cyclopentyl, cyclohexyl or cycloheptyl; or'}, {'sub': 6', '14', '6', '10, 'substituted or unsubstituted C-C-aryl, preferably C-C-aryl, more preferably phenyl, which aryl group, more preferably phenyl, is either unsubstituted or contains 1, 2, 3, 4 or 5 identical or different substituents; or'}, {'sup': 7', '7', '7', '7', '7', '7, 'sub': 3', '3', '2', '3', '1', '14', '1', '8, 'OR, OC(═O)R, CO(═O)R, SOR, SON(R)or SONa wherein Rrepresents H, straight chain or branched, substituted or unsubstituted C-C-alkyl, preferably C-C-alkyl, more preferably methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, or tert.-butyl;'}], 'R, R, R, and Rare identical or different and represent'}{'sup': '5', 'claim-text': [{'sub': 1', '14', '1', '8, 'straight chain or branched, substituted or unsubstituted C-C-alkyl, preferably C-C-alkyl, more preferably methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, or tert.-butyl; or'}, {'sub': 3', '10', '5', '8, 'substituted or unsubstituted C-C-cycloalkyl, preferably C-C-cycloalkyl, more preferably cyclopentyl, cyclohexyl or cycloheptyl; or'}, {'sub': 6', '14', '6', ' ...

PREPARATION METHOD FOR S-INDOXACARB

A catalyst and a method for preparing S-indoxacarb using the catalyst. The catalyst is prepared using 3-tert-butyl-5-(chloromethyl)salicylaldehyde and cyclohexanediamine as raw materials, where an original quinine catalyst such as cinchonine is replaced with the catalyst for application in the asymmetric synthesis of tert-butyl hydroperoxide and 5-chloro-2-methoxycarbonyl-1-indanone ester, greatly improving selection in the asymmetric synthesis process, with the S-enantiomer content increasing from 75% to over 98%, achieving the recycling of a high-efficiency chiral catalyst, and greatly reducing production costs. The synthesis process of the catalyst is simple and is favorable for industrialization, and lays good foundations for the production of high-quality indoxacarb. 2. The preparation method for S-indoxacarb according to claim 1 , comprising the steps of:adding tert-butyl hydroperoxide and 5-chloro-2-methoxycarbonyl-1-indanone ester to the polymerization catalyst solution obtained by the above method to carry out asymmetric synthesis, wherein a mole ratio of 5-chloro-2-methoxycarbonyl-1-indanone ester: 1 tert-butyl hydroperoxide:catalyst is 1:1.2-1.5:0.05-0.1; raising the temperature to 60-120° C. for reflux reaction for 4 hours, filtering the obtained mixture to recover polymer catalyst, the key intermediate 5-chloro-2-methoxycarbonyl-2-hydroxy-1-indanone is obtained by vacuum distillation of the filtrate, meanwhile, putting the recovered catalyst into toluene solvent to form suspension to continue to participate in the asymmetric synthesis reaction;after obtaining the above-mentioned 5-chloro-2-methoxycarbonyl-2-hydroxy-1-indanone, making it react with carbobenzoxyhydrazide and diethoxymethane according to the above-mentioned conventional synthesis route, and finally, with hydrogenating deprotection, synthesizing S-indoxacarb with 4-trifluoromethoxy phenyl carbamate.3. The preparation method for S-indoxacarb according to claim 1 , wherein the ...

ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE

Disclosed herein is a method for selectively reducing, using electrical energy, COto carbon monoxide, a catalyst for use in the method, and an electrochemical reduction system. The method for producing carbon monoxide by electrochemically reducing carbon dioxide of the present invention includes (a) reacting carbon dioxide with a metal complex represented by formula (1), and (b) applying a voltage to a reaction product of the carbon dioxide and the metal complex represented by formula (1): 2: The production method according to claim 1 , wherein the steps (a) and (b) are performed within an electrochemical cell including a working electrode and a counter electrode claim 1 , and the method comprises:(a1) introducing carbon dioxide into a solution comprising the metal complex held in the electrochemical cell; and(b1) applying a negative voltage and a positive voltage respectively to the working electrode and the counter electrode of the electrochemical cell.3: The production method according to claim 2 , wherein the carbon dioxide is introduced by introducing a carbon dioxide-containing gas into the solution containing the metal complex.4: The production method according to claim 1 , wherein the carbon dioxide to be reacted is a gas containing 0.03 to 100% of carbon dioxide.5: The production method according to claim 1 , wherein the nitrogen atom-containing heterocycle is a heterocycle having a 2 claim 1 ,2′-bipyridine structure optionally having a substituent.6: The production method according to claim 1 , wherein each hydrocarbon group optionally having a substituent represented by R claim 1 , R claim 1 , R claim 1 , R claim 1 , X claim 1 , Xand Xis one selected from the group consisting of an alkyl group claim 1 , an alkenyl group claim 1 , a cycloalkyl group claim 1 , a cycloalkenyl group and an aromatic hydrocarbon group claim 1 , each of which optionally has one to three substituents selected from the group consisting of a primary claim 1 , secondary or tertiary ...

ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE

Disclosed herein is a method for selectively reducing, using electrical energy, COto formic acid, a catalyst for use in the method, and an electrochemical reduction system. The method for producing formic acid by electrochemically reducing carbon dioxide of the present invention includes (a) reacting carbon dioxide with a metal complex represented by formula (1), and (b) applying a voltage to a reaction product of the carbon dioxide and the metal complex represented by formula (1): 2: The production method according to claim 1 , wherein the steps (a) and (b) are performed within an electrochemical cell including a working electrode and a counter electrode claim 1 , and the method comprises:(a1) introducing carbon dioxide into a solution containing the metal complex held in the electrochemical cell; and(b1) applying a negative voltage and a positive voltage respectively to the working electrode and the counter electrode of the electrochemical cell.3: The production method according to claim 2 , wherein the carbon dioxide is introduced by introducing a carbon dioxide-containing gas into the solution containing the metal complex.4: The production method according to claim 1 , wherein the carbon dioxide to be reacted is a gas containing 0.03 to 100% of carbon dioxide.5: The production method according to claim 1 , wherein the nitrogen atom-containing heterocycle is a heterocycle having a 2 claim 1 ,2′-bipyridine structure optionally having a substituent.6: The production method according to claim 1 , wherein each hydrocarbon group optionally having a substituent represented by R claim 1 , R claim 1 , R claim 1 , R claim 1 , X claim 1 , Xand Xis one selected from the group consisting of an alkyl group claim 1 , an alkenyl group claim 1 , a cycloalkyl group claim 1 , a cycloalkenyl group and an aromatic hydrocarbon group claim 1 , each of which optionally has one to three substituents selected from the group consisting of a primary claim 1 , secondary or tertiary amino ...

HYDROGENATION CATALYST COMPOSITIONS AND THEIR USE FOR HYDROGENATION OF NITRILE RUBBER

This invention relates to novel hydrogenation catalyst compositions obtainable from reacting metal-based complex hydrogenation catalysts with specific co-catalysts and to a process for selectively hydrogenating nitrile rubbers in the presence of such novel hydrogenation catalyst compositions. 4. The process of claim 1 , wherein Ris selected from the group consisting of hydrogen claim 1 , halogen claim 1 , pseudohalogen claim 1 , straight-chain or branched C-C-alkyl claim 1 , C-C-aryl claim 1 , C-C-alkoxy claim 1 , C-C-aryloxy claim 1 , C-C-alkyldiketonate claim 1 , C-C-aryldiketonate claim 1 , C-C-carboxylate claim 1 , C-C-alkylsulfonate claim 1 , C-C-arylsulfonate claim 1 , C-C-alkylthiol claim 1 , C-C-arylthiol claim 1 , C-C-alkylsulfonyl or C-C-alkylsulfinyl.5. The process of wherein y=0.7. The process of claim 1 , wherein in step a)(i) [1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]-[2-[[(4-methylphenyl)imino]methyl]-4-nitro-phenolyl]chloro-[3-phenyl-indenylidene]ruthenium(II)or(ii) [1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]-[2-[[(2-methylphenyl)imino]methyl]-phenolyl]-[3-phenyl-1H-inden-1-ylidene](chloro)ruthenium(II)is used as a complex hydrogenation catalyst.8. The process of claim 1 , wherein step a) is performed at a temperature in the range of from −20° C. to 160° C.9. The process of claim 1 , wherein the ratio of complex hydrogenation catalyst to co-catalyst in step a) is 1:(20-500.10. The process of claim 1 , wherein the hydrogenation in step b) is carried out at a temperature in the range of from 60° C. to 200° C. and at a hydrogen pressure in the range of 0.5 MPa to 35 MPa.11. The process according to of claim 1 , wherein the nitrile rubber is subjected to a molecular weight degradation in a metathesis reaction first comprising contacting the nitrile rubber in the absence or presence of a co-olefin with a complex hydrogenation catalyst of the general formulae (IA) or (IB) claim 1 , thenc) contacting the complex hydrogenation catalyst ...

METHOD FOR OXIDATIVE CLEAVAGE OF COMPOUNDS WITH UNSATURATED DOUBLE BOND

A method for oxidative cleavage of a compound with an unsaturated double bond is provided. The method includes the steps of: 2. The method of claim 1 , wherein Rand Rare each independently H claim 1 , Calkyl claim 1 , Ccycloalkyl claim 1 , Caryl claim 1 , or Cheteroaryl claim 1 , or Rand Rare fused to be Caralkyl; Ris H claim 1 , Calkyl claim 1 , Ccycloalkyl claim 1 , Caryl claim 1 , or Cheteroaryl.3. The method of claim 1 , wherein Lis selected from the group consisting of OTf claim 1 , OTs claim 1 , NTf claim 1 , halogen claim 1 , RC(O)CHC(O)R claim 1 , OAc claim 1 , OC(O)R claim 1 , OC(O)CF claim 1 , OMe claim 1 , OEt claim 1 , O-iPr claim 1 , and butyl claim 1 , wherein R is alkyl.5. The method of claim 4 , wherein the ligand containing C═N unit comprises pyridine claim 4 , oxazole claim 4 , oxazoline claim 4 , or imidazole.8. The method of claim 1 , wherein the catalyst represented by Formula (II) is MoOCl claim 1 , V(O)Cl claim 1 , V(O)(O-iPr) claim 1 , V(O)Cl claim 1 , V(O)(OAc) claim 1 , V(O)(OCCF) claim 1 , Ti(O)(acac) claim 1 , Zr(O)Cl claim 1 , Hf(O)Cl claim 1 , Nb(O)Cl claim 1 , MoO(acac) claim 1 , V(O)(OTs) claim 1 , VO(OTf) claim 1 , or V(O)(NTf).10. The method of claim 1 , wherein the trifluoromethyl-containing reagent is 3 claim 1 ,3-Dimethyl-1-(trifluoromethyl)-1 claim 1 ,2-benziodoxole claim 1 , 3 claim 1 ,3-Dimethyl-1-(perfluroalkyl)-1 claim 1 ,2-benziodoxole claim 1 , 3-oxo-1-(trifluoromethyl)-1 claim 1 ,2-benziodoxole claim 1 , 3-oxo-1-(perfluroalkyl)-1 claim 1 ,2-benziodoxole) claim 1 , trifluomethyl dibenzothiophenium salts claim 1 , perfluoroalkyl dibenzothiophenium salts claim 1 , CFSONa claim 1 , or CF(CF)SONa claim 1 , wherein n is an integer of 1 to 6. This application claims the benefits of the Taiwan Patent Application Serial Number 109100028, filed on Jan. 2, 2020, the subject matter of which is incorporated herein by reference.The present disclosure relates to a method of oxidative cleavage and, more particularly, to a method of ...

CATALYSTS FOR POLYCARBONATE PRODUCTION

The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with catalytic activity tethered to a ligand that is coordinated to the active metal center of the complex. 4. The metal complex of claim 3 , wherein X is absent.5. The metal complex of claim 3 , wherein X is present and is an anion.9. The metal complex of claim 6 , wherein Ris a hydroxyl protecting group.10. The metal complex of claim 6 , wherein Ris alkyl.11. The metal complex of claim 10 , wherein Ris methyl.12. The metal complex of claim 2 , wherein M is a metal atom of oxidation state +3 or +4.13. The metal complex of claim 12 , wherein M is selected from the group consisting of: Al claim 12 , Co claim 12 , Cr claim 12 , Fe claim 12 , Mn claim 12 , Mo claim 12 , Pt claim 12 , Ti claim 12 , Sn claim 12 , V claim 12 , and Zr.14. The metal complex of claim 13 , wherein M is selected from the group consisting of: Mn claim 13 , Mo claim 13 , Pt claim 13 , Ti claim 13 , Sn claim 13 , V claim 13 , and Zr.15. The metal complex of claim 13 , wherein M is selected from the group consisting of: Al claim 13 , Co claim 13 , Cr claim 13 , and Fe.16. The metal complex of claim 15 , wherein M is Co.17. The metal complex of claim 2 , wherein X is a nucleophile capable of ring opening an epoxide.18. The metal complex of claim 2 , wherein X is selected from the group consisting of: acetate claim 2 , trifluoroacetate claim 2 , chloride claim 2 , bromide claim 2 , nitrate claim 2 , carbonate claim 2 , benzoate claim 2 , and azide.21. The metal complex of claim 2 , wherein each independently comprises a Caliphatic group.22. The metal complex of claim 21 , wherein each independently comprises a Caliphatic group.23. The metal complex of claim 21 , wherein ...

CATALYSTS AND METHODS OF INCREASING MASS TRANSFER RATE OF ACID GAS SCRUBBING SOLVENTS

A novel transition metal trimer compound/catalyst is disclosed. A method of increasing the overall mass transfer rate of acid gas scrubbing solvents utilizing that catalyst is also provided. 4. The method of wherein said acid gas scrubbing solvent includes an amine.5. The method of claim 3 , wherein said acid gas scrubbing solvent includes a mixture of a primary amine and a tertiary amine.6. The method of claim 3 , wherein said acid gas scrubbing solvent is selected from a group consisting of monoethanolamine (MEA) claim 3 , 1-amino-2-propanol (1A2P) claim 3 , 3-amino-1-propanol claim 3 , 2-amino-1-propanol claim 3 , 2-amino-1-butanol claim 3 , 1-amino-2-butanol claim 3 , 3-amino-2-butanol claim 3 , 2-(methylamino)ethanol (MAE) claim 3 , 2-(ethylamino)ethanol claim 3 , morpholine claim 3 , piperazine (PZ) claim 3 , 1-methylpiperazine (NMP) claim 3 , 2-methylpiperazine claim 3 , hydroxypiperadine claim 3 , 2-piperidineethanol claim 3 , N-aminoethylpierazine (AEP) claim 3 , aminopropylmorpholine claim 3 , 4-aminopiperidine claim 3 , 2-amino-2-methyl- 1-propanol (AMP) claim 3 , diethanolamine (DEA) claim 3 , glycine claim 3 , alanine claim 3 , β-alannine claim 3 , sarcosine claim 3 , ethylene diamine (EDA) claim 3 , 1 claim 3 ,3-propanediamine claim 3 , 1 claim 3 ,4-butanediamine claim 3 , 1 claim 3 ,5-pentanediamine claim 3 , 1 claim 3 ,6-Hexanediamine claim 3 , methyldiethanolamine (MDEA) claim 3 , triethanolamine (TEA) claim 3 , dimethylethanolamine (DMEA) claim 3 , N claim 3 ,N claim 3 ,N′ claim 3 ,N′-tetramethyl-1 claim 3 ,8-naphthalenediamine claim 3 , diethylmonoethanolamine claim 3 , dipropylmonoethanolamine claim 3 , 1 claim 3 ,4-dimethylpiperazine claim 3 , N N claim 3 ,N′ claim 3 ,N′-tetramethyl-1 claim 3 ,6-hexanediamine claim 3 , N claim 3 ,N claim 3 ,N′ claim 3 ,N′-tetrakis(2-hydroxyethyl)ethylenediamine claim 3 , N claim 3 ,N claim 3 ,N′ claim 3 ,N′ claim 3 ,N″-pentamethyldiethylenetriamine claim 3 , N claim 3 ,N claim 3 ,N′ claim 3 ,N′- ...

CATALYTIC CARBONYLATION CATALYSTS AND METHODS

In one aspect, the present invention provides catalysts for the carbonylation of heterocycles. The inventive catalysts feature metal-ligand complexes having cationic functional groups tethered to the ligand, wherein the tethered cationic groups are associated with anionic metal carbonyl species. The invention also provides methods of using the inventive catalysts to affect the ring opening carbonylation of epoxides. 1. A catalyst for the carbonylation of heterocycles comprising the combination of:i) one or more cationic functional moieties, where each cationic functional moiety comprises a linker and 1 to 4 cationic functional groups;ii) one or more ligands to which at least one cationic functional moiety is covalently tethered wherein the one or more ligand(s) are coordinated to one or two metal atoms; andiii) at least one anionic metal carbonyl species associated with a cation present on the metal complex.2. The catalyst of claim 1 , wherein the one or more ligands to which at least one cationic functional moiety is covalently tethered is selected from the group consisting of porphryin ligands and salen ligands.3. The catalyst of claim 2 , wherein catalyst comprises a salen or porphyrin complex of a metal selected from the group consisting of: Zn(II) claim 2 , Cu(II) claim 2 , Mn(II) claim 2 , Co(II) claim 2 , Ru(II) claim 2 , Fe(II) claim 2 , Co(II) claim 2 , Rh(II) claim 2 , Ni(II) claim 2 , Pd(II) claim 2 , Mg(II) claim 2 , ARM) claim 2 , Cr(III) claim 2 , Cr(IV) claim 2 , Ti(IV) claim 2 , Fe(III) claim 2 , Co(III) claim 2 , Ti(III) claim 2 , In(III) claim 2 , Ga(III) claim 2 , Mn(III).4. The catalyst of claim 2 , wherein the catalyst comprises a salen or porphyrin complex of aluminum.5. The catalyst of claim 2 , wherein the catalyst comprises a salen or porphyrin complex of chromium.6. The catalyst of claim 1 , wherein the one or more cationic functional groups comprise onium salts.7. The catalyst of claim 1 , wherein the onium salts comprise at least one of ...

Alkane oxidation

Embodiments include an alkane oxidation catalyst having a support modified with a carboxylate group. The carboxylate group is functionalized with a manganese complex selected from the group consisting of [(C 6 H 12 N 3 R 3 )Mn(OCH 3 ) 3 ]Z, [(C 6 H 12 N 3 R 3 )Mn 2 O 3 ]Z 2 , [(C 6 H 15 N 3 )Mn 4 O 6 ]Z 4 . Each R is independently an alkyl group having 1 to 3 carbons, and each Z is independently PF 6 − , ClO 4 − , or Br − .

AEROBIC DEPOLYMERIZATION OF FIBER-REINFORCED COMPOSITES

A method of aerobic depolymerization of fiber-reinforced polymer (FRP) composites using sustainable reagents and conditions. A cured matrix is digested into soluble monomers and oligomers by catalytic aerobic oxidation. Carbon fibers are removed for re-use, then the remaining material is treated and valuable monomers are isolated. The isolated monomers can be converted back into resin precursors for re-use. The method solves the problem created because the typically irreversible cure reaction impedes recycling and re-use of FRP composites. 1. A method of aerobic depolymerization of fiber-reinforced polymer (FRP) composites , the method comprising:providing an FRP matrix for recycling;degrading FRP matrix with a matrix digest solution that includes one or more catalysts and an oxygen source as a terminal oxidant to recover fibers at a first predetermined temperature; andremoving the fibers from the matrix digest solution after the FRP matrix has been solubilized.2. The method of wherein the fibers are carbon fibers.3. The method of wherein the FRP matrix is pretreated with a pretreatment solvent to permeabilize the FRP matrix.4. The method of further comprising continuing to treat matrix digest solutions with oxidative conditions at a lower temperature and at tunable Oand catalyst concentrations to provide a controlled release of useful monomers.5. The method of claim 1 , wherein the FRP matrix is an amine-linked epoxy matrix.6. The method of claim 1 , wherein the one or more catalysts include a transition metal-containing catalyst.8. The method of claim 1 , wherein the one or more catalysts include MeReOand oxides and halides of Mn(II) claim 1 , Cu(I) claim 1 , Re(VII) claim 1 , Re(V) claim 1 , and Re(III).9. The method of claim 1 , wherein the FRP matrix is degraded using ScClas a catalyst.10. The method of claim 1 , wherein the FRP matrix is degraded using AlClas a catalyst.11. The method of claim 1 , wherein the one or more catalysts include MnCl.12. The method ...

METAL COMPLEXES

The present invention provides novel metal complexes, methods of making, and methods of using the same. 1. A metallosalenate complex comprising a cationic bicyclic amidinium group , wherein the cationic bicyclic amidinium group has no free amines.5. The metallosalenate complex of claim 2 , wherein Rand R′ are hydrogen.6. The metallosalenate complex of claim 2 , wherein M is selected from the group consisting of Cr claim 2 , Mn claim 2 , V claim 2 , Fe claim 2 , Co claim 2 , Mo claim 2 , W claim 2 , Ru claim 2 , Al claim 2 , and Ni.7. The metallosalenate complex of claim 6 , wherein one occurrence of Ris a -L-CA group claim 6 , and any other Rgroups are an optionally substituted Caliphatic group or an optionally substituted phenyl group.8. The metallosalenate complex of claim 2 , wherein -L- is an optionally substituted claim 2 , saturated or unsaturated claim 2 , straight or branched claim 2 , bivalent Chydrocarbon chain claim 2 , wherein one claim 2 , two claim 2 , or three methylene units of L are optionally and independently replaced by -Cy- claim 2 , —CR— claim 2 , —NR— claim 2 , —N(R)C(O)— claim 2 , —C(O)N(R)— claim 2 , —N(R)SO— claim 2 , —SON(R)— claim 2 , —O— claim 2 , —C(O)— claim 2 , —OC(O)— claim 2 , —OC(O)O— claim 2 , —C(O)O— claim 2 , —N(R)C(O)O— claim 2 , —SiR— claim 2 , —S— claim 2 , —SO— claim 2 , or —SO—.9. The metallosalenate complex of claim 8 , wherein -L- is an optionally substituted claim 8 , saturated or unsaturated claim 8 , straight or branched claim 8 , bivalent Chydrocarbon chain claim 8 , wherein one or two methylene units of L are optionally and independently replaced by —NR— claim 8 , —O— claim 8 , or —C(O)—.10. The metallosalenate complex of claim 9 , wherein -L- is —(CH)—.16. The metallosalenate complex of claim 14 , wherein Y is selected from the group consisting of halide claim 14 , hydroxide claim 14 , carboxylate claim 14 , sulfate claim 14 , phosphate claim 14 , nitrate claim 14 , alkyl sulfonate claim 14 , and aryl sulfonate.17. ...

METHOD OF DEVELOPMENT AND USE OF CATALYST-FUNCTIONALIZED CATALYTIC PARTICLES TO INCREASE THE MASS TRANSFER RATE OF SOLVENTS USED IN ACID GAS CLEANUP

The present invention relates to methods for improving carbon capture using entrained catalytic-particles within an amine solvent. The particles are functionalized and appended with a COhydration catalyst to enhance the kinetics of COhydration and improve overall mass transfer of COfrom an acid gas. 1: A biphasic scrubbing solution comprising an amine solvent with particles suspended therein , wherein the particles have a surface-appended carbonic anhydrase mimic catalyst and further wherein the particles have a width of less than about 500 microns.2: The biphasic scrubbing solution of claim 1 , wherein the particles are hydrophobic.3: The biphasic scrubbing solution of claim 1 , wherein the particles comprise activated carbon particles.4: The biphasic scrubbing solution of claim 1 , wherein the particles are functionalized to increase positive zeta potential.5: The biphasic scrubbing solution of claim 4 , wherein the particles are functionalized by oxidation.6: The biphasic scrubbing solution of claim 4 , wherein the particles are functionalized by an appended with a functional group selected from the group consisting of an alcohol claim 4 , a primary amine claim 4 , a tertiary amine claim 4 , and an amino silane.7: The biphasic scrubbing solution of claim 1 , wherein the surface-appended carbonic anhydrase mimic catalyst comprises a bidentate transition-metal ligand complex.11: The biphasic scrubbing solution of claim 1 , wherein the particles have a width of between about 0.1 and 500 microns.12: The biphasic scrubbing solution of claim 1 , wherein the particles have a width of less than 100 nanometers.13: The biphasic scrubbing solution of claim 1 , wherein the amine solvent is selected from the group consisting of monoethanolamine (MEA) claim 1 , 1-amino-2-propanol (1A2P) claim 1 , 3-amino-1-propanol claim 1 , 2-amino-1-propanol claim 1 , 2-amino-1-butanol claim 1 , 1-amino-2-butanol claim 1 , 3-amino-2-butanol claim 1 , 2-(methylamino)ethanonol (MAE) claim 1 , ...

ENERGY-EFFICIENT SOLVENT-FREE METHOD FOR PRODUCING METAL CHELATES

The invention relates to a method for producing, amongst other things, amino-acid and/or hydroxycarboxylic-acid metal chelates, a solvent-free mixture of at least one metal oxide, metal hydroxide, metal carbonate or oxalate, and the solid organic acid is subjected to intensive mechanical stress. According to the invention, this is done in that the reaction partners are introduced in particle form into a fluid stream of a fluid-bed countercurrent mill operating without grinding elements, wherein mechanical activation of at least one of the reaction partners is effected by collision processes within a reaction chamber formed in a region of the fluid stream, and a solid body reaction to form the metal chelate is triggered. The novel method operates very energy-efficiently and with a high specific yield. It leads to a product having compact particles in the small, single-digit micrometer range having a comparatively narrow particle size distribution and a large surface. The product is homogenous and very pure. Thermal loading or decomposition of the organic chelate ligands, in particular of the amino acids, is likewise avoided, as are contaminants from milling and grinding element abrasion. 2. The process as claimed in claim 1 , wherein the fluidized bed and the reaction space is formed in a fluid stream section in a crossing region of a jet direction of at least two fluid nozzles.3. The process as claimed in claim 1 , wherein the fluidized-bed opposed-jet mill is operated at flow velocities ranging from about 300 to 1000 m/s claim 1 , and at a milling gas pressure ranging from about 5 to 10.4. The process as claimed in wherein each of the at least one metal compound and the at least one solid organic acid are transported by a transport device into a milling chamber and reach the reaction space in an interior of the milling chamber in free fall.5. The process as claimed in wherein a fluid in the fluid jet is a gas claim 1 , selected from the group consisting of air ...

CATALYSTS AND METHODS FOR POLYMER SYNTHESIS

The present invention provides unimolecular metal complexes having increased activity in the copolymerization of carbon dioxide and epoxides. Also provided are methods of using such metal complexes in the synthesis of polymers. According to one aspect, the present invention provides metal complexes comprising an activating species with co-catalytic activity tethered to a multidentate ligand that is coordinated to the active metal center of the complex. 1. A method for the synthesis of aliphatic polycarbonates comprising the step of contacting an epoxide and carbon dioxide with a metal complex comprising a metal atom coordinated with a salen ligand , the salen ligand comprising two halves each half coordinated to the metal atom via an imine and an oxygen atom , wherein the metal complex is characterized in that one of the two halves of the salen ligand has two or more cationic activating moieties functional groups tethered to it and the other half has no tethered cationic activating groups.2. The method of claim 1 , wherein the cationic activating functional groups tethered to the ligand are independently selected from the group consisting of: onium salts claim 1 , nitrogen-containing functional groups; phosphorous-containing functional groups; and arsenic-containing functional groups.3. The method of any one of the preceding claims claim 1 , wherein at least one cationic activating functional group comprises an ammonium salt.4. The method of any one of the preceding claims claim 1 , wherein at least one cationic activating functional group is selected from the group consisting of amidinium salts and guanidinium salts.5. The method of any one of the preceding claims claim 1 , wherein the half of the ligand having no tethered cationic activating functional groups is derived from salicylaldehyde optionally substituted with one or more aliphatic groups.6. The method of any one of the preceding claims claim 1 , wherein the half of the ligand having no tethered cationic ...

CATALYTIC CARBONYLATION CATALYSTS AND METHODS

In one aspect, the present invention provides catalysts for the carbonylation of heterocycles. The inventive catalysts feature metal-ligand complexes having cationic functional groups tethered to the ligand, wherein the tethered cationic groups are associated with anionic metal carbonyl species. The invention also provides methods of using the inventive catalysts to affect the ring opening carbonylation of epoxides. 126-. (canceled)28. (canceled)29. The catalyst of claim 27 , wherein Mand Mare independently selected from the group consisting of Zn(II) claim 27 , Cu(II) claim 27 , Mn(II) claim 27 , Co(II) claim 27 , Ru(II) claim 27 , Fe(II) claim 27 , Rh(II) claim 27 , Ni(II) claim 27 , Pd(II) claim 27 , Mg(II) claim 27 , Al(III) claim 27 , Cr(III) claim 27 , Cr(IV) claim 27 , Ti(IV) claim 27 , Fe(III) claim 27 , Co(III) claim 27 , Ti(III) claim 27 , In(III) claim 27 , Ga(III) claim 27 , and Mn(III).30. The catalyst of claim 27 , wherein Mand Mare aluminum.31. The catalyst of claim 27 , wherein Mand Mare chromium.32. The catalyst of claim 27 , wherein Z comprises an atom selected from the group consisting of nitrogen claim 27 , phosphorous claim 27 , arsenic claim 27 , and sulfur.34. The catalyst of claim 27 , wherein the linker comprises 1-30 atoms including at least one carbon atom and optionally one or more atoms selected from the group consisting of N claim 27 , O claim 27 , S claim 27 , Si claim 27 , B claim 27 , and P.36. The catalyst of claim 27 , wherein the at least one anionic metal carbonyl species is a compound of formula: [QM′(CO)] claim 27 , wherein:Q is a ligand and need not be present,M′ is a metal atom,d is an integer between 0 and 8 inclusive,e is an integer between 1 and 6 inclusive,w is a number such as to provide a stable anionic metal carbonyl complex, andy is the charge of the anionic metal carbonyl species.37. The catalyst of claim 36 , wherein Q is a phosphine ligand or a cyclopentadienyl (cp) ligand.38. The catalyst of claim 27 , wherein the ...

METAL ION-DIRECTED CARBOXYLIC ACID FUNCTIONALIZED POLYOXOMETALATE HYBRID COMPOUNDS AND THEIR PREPARATION METHOD AND APPLICATIONS FOR CATALYZING THE DEGRADATION OF CHEMICAL WARFARE AGENT SIMULANTS

Metal ion-directed carboxylic acid functionalized polyoxometalate hybrid compounds, and their preparation method and applications in catalyzing the degradation of chemical warfare agent simulants. In the synthesis, NaMoO, p-hydroxybenzonic acid (PHBA), alanine (Ala), KCl, transition metal cations and AsOas raw materials and water are used as solvent. At room temperature, 2-chloroethyl ethyl sulfide (CEES) and the prepared polyoxometalate hybrid compounds were mixed together in anhydrous ethanol and stirred, and HOwas subsequently added into the reaction system. The catalytic reaction for the degradation of CEES was finished within 5 min under stirring. In the catalytic hydrolysis of diethyl cyanophosphonate (DECP), the catalyst, DECP, DMF and HO were put together and mixed fully. The prepared polyoxometalate hybrid compounds have the advantages of high conversion, high selectivity and easy recyclability in catalyzing the degradation of two types of chemical warfare agent simulant. 1. A kind of metal ion-directed carboxylic acid functionalized polyoxometalate hybrid compounds , wherein the compounds are composed of carboxylic acid modified polyoxomolybdate [AsMoO(Ala)(PHBA)] covalently linked by metal cations (Co , Ni , Zn , or Mn) to form 1D chain-like structures; the chemical formula is KH[(HO)M][AsMoO(Ala)(PHBA)]·nHO; wherein M=Co , Ni , Zn , Mn; Ala=alanine , PHBA=p-hydroxybenzonic acid; n=6.5 , 9 , 7.5 , 7.5; the value of n corresponds to M=Co , Ni , Zn , Mn;crystals of the metal ion-directed carboxylic acid functionalized polyoxometalate hybrid compounds belong to triclinic crystal system and P-1 space group;{'sup': '2+', 'when M=Co, the cell parameters of compound 1 are a=12.0872(8) Å, b=12.5682(8) Å, c=17.2255(13) Å, α=76.700(4)°, β=74.058(4)°, γ=76.399(4)°;'}{'sup': '2+', 'when M=Ni, the cell parameters of compound 2 are a=11.9612(4) Å, b=12.5318(3) Å, c=17.1943(4) Å, α=76.4990(10)°, β=74.053(2)°, γ=76.535(2)°;'}{'sup': '2+', 'when M=Zn, the cell parameters ...

METHOD FOR PREPARING CYCLIC CARBONATE

The present invention provides a method for preparing a cyclic carbonate, which has the advantages of high yield, mild reaction conditions, high catalytic efficiency under room temperature and 1 atm pressure conditions, and wide substrate scopes. It is not only suitable for monosubstituted epoxides, but also suitable for disubstituted epoxides. The method comprises the step of reacting epoxides of Formula (I) with carbon dioxide in the presence of a quaternary ammonium salt and a catalyst, to obtain a cyclic carbonate of Formula (II). The reaction formula is: 2. The method for preparing a cyclic carbonate as claimed in claim 1 , wherein the rare earth metal is yttrium claim 1 , ytterbium or samarium.3. The method for preparing a cyclic carbonate as claimed in claim 1 , wherein the quaternary ammonium salt is selected from the group consisting of tetrabutylammonium iodide claim 1 , tetrabutylammonium bromide claim 1 , tetraoctylammonium bromide claim 1 , bis(triphenylphosphine)ammonium chloride and any combination thereof.4. The method for preparing a cyclic carbonate as claimed in claim 1 , wherein the alkyl group is a substituted or non-substituted linear or branched Calkyl group claim 1 , and the alkoxy group a substituted or non-substituted linear or branched Calkoxy group.5. The method for preparing a cyclic carbonate as claimed in claim 1 , wherein the aryl group is a substituted or non-substituted Caryl group; and the ester group is —COO—R claim 1 , in which Ris H claim 1 , Calkyl or aryl group.6. The method for preparing a cyclic carbonate as claimed in claim 4 , wherein the alkyl claim 4 , alkoxy claim 4 , or aryl group has one or more substituent(s) that is/are nitro claim 4 , cyano claim 4 , hydroxyl or halo claim 4 , in which the halo is fluoro claim 4 , chloro claim 4 , bromo or iodo.7. The method for preparing a cyclic carbonate as claimed in claim 1 , wherein: Rand R claim 1 , together with the atoms to which they are attached claim 1 , form a ...

Production of fatty olefin derivatives via olefin metathesis

In one aspect, the invention provides a method for synthesizing a fatty olefin derivative. The method includes: a) contacting an olefin according to Formula I with a metathesis reaction partner according to Formula IIb in the presence of a metathesis catalyst under conditions sufficient to form a metathesis product according to Formula IIIb: and b) converting the metathesis product to the fatty olefin derivative. Each R 1 is independently selected from H, C 1-18 alkyl, and C 2-18 alkenyl; R 2b is C 1-8 alkyl; subscript y is an integer ranging from 0 to 17; and subscript z is an integer ranging from 0 to 17. In certain embodiments, the metathesis catalyst is a tungsten catalyst or a molybdenum catalyst. In various embodiments, the fatty olefin derivative is a pheromone. Pheromone compositions and methods of using them are also described.

Condensation reaction and/or addition reaction curable coating composition

Provided herein is a coating composition curable by condensation and/or addition reactions and including (A) at least one polymer as binder, (B) at least one crosslinking agent that can be reacted by condensation and/or addition reaction with component (A), and (C) at least one specific complex as catalyst. Also provided herein is a use of the complex for catalyzing the curing of coating compositions curable by condensation and/or addition reaction.

BICYCLIC ALKYL COMPOUNDS AND SYNTHESIS

Disclosed herein are compounds of the general Formula (I), and methods of synthesizing a substituted bicyclo[1.1.1]pentane using a Group VII or Group IX transition metal compound. 2. The method of claim 1 , wherein method uses a Group VII transition metal compound.3. The method of claim 2 , wherein the Group VII transition metal compound is a cobalt-based transition metal compound.4. The method of claim 3 , wherein the cobalt compound is a Co(II) compound.5. The method of claim 3 , wherein the cobalt compound is a Co(III) compound.6. The method of claim 1 , wherein method uses a Group IX transition metal compound.7. The method of claim 6 , wherein the Group IX transition metal compound is a manganese-based transition metal compound.8. The method of claim 7 , wherein the manganese compound is a Mn(II) compound.9. The method of claim 7 , wherein the manganese compound is a Mn(III) compound.11. The method of claim 10 , wherein the transition metal compound is Mn(dmp).12. The method of any one of - claim 10 , wherein the hydride source is a metal-based hydride source.13. The method of claim 12 , wherein the metal-based hydride source is an alkali metal-based hydride source.14. The method of claim 13 , wherein the alkali metal-based hydride source is NaBH.15. The method of any one of - claim 13 , wherein the hydride source is a non-metal-based hydride source.16. The method of claim 15 , wherein the non-metal-based hydride source is a silane.17. The method of claim 16 , wherein the silane is PhSiH.18. The method of any one of - claim 16 , wherein the reagent capable of contributing all or a part of a substituent group has the structure LG-R claim 16 , wherein Rattaches to a carbon of [1.1.1]propellane and LGis a leaving group.19. The method of claim 18 , wherein the LG' is an optionally substituted sulfonyl claim 18 , an optionally substituted phosphonate claim 18 , an alkali metal or a transition metal.20. The method of claim 19 , wherein the optionally substituted ...

ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE

Disclosed herein is a method for selectively reducing, using electrical energy, COto carbon monoxide or formic acid, a catalyst for use in the method, and an electrochemical reduction system. The method for producing carbon monoxide or formic acid by electrochemically reducing carbon dioxide of the present invention includes (a) reacting carbon dioxide with a metal complex represented by formula (1), and (b) applying a voltage to a reaction product of the carbon dioxide and the metal complex represented by formula (1):

CONDENSATION REACTION AND/OR ADDITION REACTION CURABLE COATING COMPOSITION

Provided herein is a coating composition curable by condensation and/or addition reactions and including (A) at least one polymer as binder, (B) at least one crosslinking agent that can be reacted by condensation and/or addition reaction with component (A), and (C) at least one specific complex as catalyst. Also provided herein is a use of the complex for catalyzing the curing of coating compositions curable by condensation and/or addition reaction. 2. The coating composition as claimed in claim 1 , wherein component (A) comprises (meth)acrylate (co)polymers claim 1 , polyesters claim 1 , alkyds claim 1 , polyurethanes claim 1 , polylactones claim 1 , polycarbonates claim 1 , polyethers claim 1 , epoxy resins claim 1 , epoxy resin-amine adducts claim 1 , polyureas claim 1 , polyamides claim 1 , polyimides claim 1 , polyester-polyurethanes claim 1 , polyether-polyurethanes claim 1 , and/or polyester-polyether-polyurethanes.3. The coating composition as claimed in claim 1 , wherein component (A) comprises hydroxyl and/or carboxyl groups.4. The coating composition as claimed in claim 1 , wherein the at least one crosslinking agent comprises free or blocked polyisocyanates or aminoplast resins.5. The coating composition as claimed in claim 1 , wherein component (A) comprises at least one hydroxyl-group-containing polymer and component (B) comprises at least one blocked isocyanate.6. The coating composition as claimed in claim 1 , wherein metal cation (M) comprises V(III) claim 1 , V(IV) claim 1 , Cr(III) claim 1 , Mn(III) claim 1 , Fe(II) claim 1 , Fe(III) claim 1 , Co(II) claim 1 , Co(III) claim 1 , Ni(II) claim 1 , Cu(II) claim 1 , Bi(III) and/or Zn(II).7. The coating composition as claimed in claim 1 , wherein all radicals Rto Rconsist of hydrogen and optionally carbon.8. The coating composition as claimed in claim 1 , wherein the radical Ris an acyclic radical having 2 to 4 carbon atoms.9. The coating composition as claimed in claim 1 , wherein the radicals Rand ...

A catalyst composition for a producing process of an unsaturated carboxylic acid salt and its derivatives from carbon dioxide and olefin

This invention relates to a catalyst composition for a producing process of an unsaturated carboxylic acid salt and its derivatives from carbon dioxide and olefin, wherein the catalyst composition in the present invention has been proved to be effective in catalyzing the carboxylation of carbon dioxide and olefin, wherein said catalyst composition comprises: a) a palladium metal complex as shown in structure (I); wherein, R 1 , R 2 , R 3 , and R 4 independently represents a group selected from hydrogen atom, halogen atom, alkyl group, alkyl halide group, alkoxy group, amine group, optionally from alkenyl group, alkynyl group, phenyl group, benzyl group, or cylic hydrocarbon group comprising hetero atom; R 5 represents group selected from alkyl group or phenyl group; b) a ligand selected from organophosphorus compound; c) a base selected from sodium tert-butoxide, sodium isopropoxide, sodium 2,6-dimethylphenolate, sodium 2,6-difluorophenolate, sodium 2-methylphenolate, or sodium 2-fluorophenol); and d) a reducing agent.

Catalyst Recycle Methods

The present invention provides novel solutions to the problem of recycling carbonylation catalysts in epoxide carbonylation processes. The inventive methods are characterized in that the catalyst is recovered in a form other than as active catalyst. In some embodiments, catalyst components are removed selectively from the carbonylation product stream in two or more processing steps. One or more of these separated catalyst components are then utilized to regenerate active catalyst which is utilized during another time interval to feed a continuous carbonylation reactor. 1. A method for the continuous reaction of an epoxide and carbon monoxide comprising:a) feeding a continuous carbonylation reactor during a first interval of time with a catalyst feed stream comprising a carbonylation catalyst, where within the reactor, the epoxide and the carbon monoxide react in the presence of the carbonylation catalyst to provide a reaction product stream comprising an epoxide carbonylation product and carbonylation catalyst,b) treating the reaction product stream to separate at least a portion of the carbonylation catalyst from the reaction product stream,c) accumulating carbonylation catalyst collected in step (b) throughout the first interval of time to obtain a spent carbonylation catalyst batch, andd) feeding a continuous carbonylation reactor during a second interval of time with a catalyst feed stream wherein at least a portion of the catalyst in the catalyst feed stream is derived from spent carbonylation catalyst batch accumulated in step (c).2. The method of claim 1 , wherein the epoxide is ethylene oxide.3. The method of claim 2 , wherein the epoxide carbonylation product is selected from the group consisting of: beta propiolactone claim 2 , succinic anhydride claim 2 , polypropiolactone claim 2 , 3-hydroxypropionic acid claim 2 , and a 3-hydroxypropionate ester.4. The method of claim 2 , wherein the epoxide carbonylation product comprises beta propiolactone.5. The ...

METAL COMPLEXES

The present invention provides novel metal complexes, methods of making, and methods of using the same. 1. A metallosalenate complex comprising a cationic bicyclic amidinium group , wherein the cationic bicyclic amidinium group has no free amines.5. The metallosalenate complex of claim 1 , wherein Rand Rare hydrogen.6. The metallosalenate complex of any one of - claim 1 , wherein M is selected from the group consisting of Cr claim 1 , Mn claim 1 , V claim 1 , Fe claim 1 , Co claim 1 , Mo claim 1 , W claim 1 , Ru claim 1 , Al claim 1 , and Ni.7. The metallosalenate complex of claim 6 , wherein one occurrence of Ris a -L-CA group claim 6 , and any other Rgroups are an optionally substituted Caliphatic group or an optionally substituted phenyl group.8. The metallosalenate complex of any one of - claim 6 , wherein -L- is an optionally substituted claim 6 , saturated or unsaturated claim 6 , straight or branched claim 6 , bivalent Chydrocarbon chain claim 6 , wherein one claim 6 , two claim 6 , or three methylene units of L are optionally and independently replaced by -Cy- claim 6 , —CR— claim 6 , —NR— claim 6 , —N(R)C(O)— claim 6 , —C(O)N(R)— claim 6 , —N(R)SO— claim 6 , —SON(R)— claim 6 , —O— claim 6 , —C(O)— claim 6 , —OC(O)— claim 6 , —OC(O)O— claim 6 , —C(O)O— claim 6 , —N(R)C(O)O— claim 6 , —SiR— claim 6 , —S— claim 6 , —SO— claim 6 , or —SO—.9. The metallosalenate complex of claim 8 , wherein -L- is an optionally substituted claim 8 , saturated or unsaturated claim 8 , straight or branched claim 8 , bivalent Chydrocarbon chain claim 8 , wherein one or two methylene units of L are optionally and independently replaced by —NR— claim 8 , —O— claim 8 , or —C(O)—.10. The metallosalenate complex of claim 9 , wherein -L- is —(CH)—.16. The metallosalenate complex of claim 14 , wherein Y is selected from the group consisting of halide claim 14 , hydroxide claim 14 , carboxylate claim 14 , sulfate claim 14 , phosphate claim 14 , nitrate claim 14 , alkyl sulfonate claim 14 , ...

Recyclable chiral catalyst for asymmetric nitroaldol reaction and process for the preparation thereof

The present invention relates to preparation of highly efficient chiral recyclable homogeneous catalysts generated in situ by the reaction of chiral oligomeric [H 4 ] ligands and a metal salt taken in 1:1 molar ratio for asymmetric nitroaldol reaction, wherein nitroaldol reactions of various aldehydes such as aromatic, aliphatic α,β-unsaturated aldehydes, alicyclic aldehydes and nitroalkenes were carried out to produce optically active β-nitroalcohols in high yield and with moderate to excellent enantioselectivity (ee up to >95%) in presence of a base and an optically active chiral recyclable homogeneous catalyst represented by the following formula (I).

COMPOSITION OF MATTER

The method relates to the field of asymmetric allylic amination and comprises preparing a chiral N-substituted allylic amine compound from the corresponding allylic substrates and substituted hydroxylamines, in the presence of a catalyst, said catalyst comprising copper compounds and a chiral ligand. Examples of chiral amine compounds which can be made using the method include Vigabatrin, Ezetimibe Terbinafine, Naftifine 3-methylmorphine, Sertraline, Cinacalcet, Mefloquine hydrochloride, and Rivastigmine. There are over 20,000 known bioactive molecules with chiral N-substituted allylic amine substructure. The method may also be used to produce non-natural chiral β-aminoacid esters, a sub-class of chiral N-substituted allylic amine compounds. Examples of β-aminoacid ester which can be produced by the disclosed method, include, but are not limited to, N-(2-methylpent-1-en-3-yl)benzenamine and Ethyl 2-methylene-3-(phenylamino)butanoate. Further, the products of the method described herein can be used to produce chiral heterocycles and bioactive molecules or materials. A novel chiral copper-ligand nitrosoarene complex is also set forth. 1. A chemical compound having the formula [Cu(Ligand)2(ArNO)2]X2.2. The chemical compound of where in the compound is a chiral copper-nitrosoarene complex having two nitrogen donor ligands and two counter ions.3. A chemical compound comprising:a. a copper atom;b. two nitrosoarenes;c. two nitrogen donor ligands; andd. two counterions.4. The chemical compound of wherein the compound is a chiral copper-nitrosoarene complex.5. The chemical compound of wherein at least one ligand is chiral.6. The chemical compound of wherein the copper atom is bonded to two chiral nitrogen-donor ligands claim 3 , such as BINAM claim 3 , NOBIN claim 3 , and related substituted ligands.7. The chemical compound of wherein the copper atom is bonded to two nitrosoarenes claim 3 , such as nitrosobenzene claim 3 , and related substituted nitrosobenzenes.8. The ...

Method for producing iron complexes and method for producing ester compounds using iron complex

Disclosed herein is method for producing an iron dinuclear complex having two iron atoms bonded to each other via one oxygen atom and a ligand structure containing a Schiff base, a method which can produce an ester compound in high yield by the transesterification of an alcohol compound with a carboxylate ester even in the case where the raw material alcohol has a tertiary hydroxyl group which is usually difficult to esterify by transesterification, and a method which can produce a wholly esterified compound by transesterification catalyzed by an iron complex.

C1,C2-bridged ligands and catalysts

The present disclosure provides catalyst compounds including a nonsymmetric bridged amine bis(phenolate), catalyst systems including such, and uses thereof. Catalyst compounds, catalyst systems, and processes of the present disclosure can provide high comonomer content and high molecular weight polymers having narrow Mw/Mn values, contributing to good processability for the polymer itself and for the polymer used in a composition.

Sterically emcumbered bidentate and tridentate naphthoxy-imine metallic complexes

The present invention discloses post-metallocene complexes based on sterically encumbered bi- and tri-dentate naphthoxy-imine ligands. It also relates to the use of such post-metallocene complexes in the polymerisation of ethylene.

Productivity catalysts and microstructure control

Improved Group 3–11 transition metal based catalysts and processes for the polymerization of olefins are described. Some of the ligands are characterized by a preferred substitution pattern which allows for higher productivities of highly branched olefins; substitution patterns which boost productivity or alter the polymer microstructure are also described.

Productivity catalysts and microstructure control

Improved Group 3-11 transition metal based catalysts and processes for the polymerization of olefins are described. Some of the ligands are characterized by a preferred substitution pattern which allows for higher productivities of highly branched olefins; substitution patterns which boost productivity or alter the polymer microstructure are also described.

二氧化碳的电化学还原

本发明提供利用电能由CO 2 选择性地还原为一氧化碳或甲酸的方法、其中使用的催化剂和电化学还原系统。一种从二氧化碳到一氧化碳或甲酸的基于电化学还原的制造方法，其特征在于，具有以下的工序(a)和(b)。工序(a)：使二氧化碳与通式(1)(式中，M表示铼、锰、钌或铁，X表示OR 1 、SR 1 、NR 2 R 3 R 4 或PX 1 X 2 X 3 ，Y表示CO、OR 1 、SR 1 、NR 2 R 3 R 4 或PX 1 X 2 X 3 ，A环和B环相同或不同，表示具有或不具有取代基的含氮原子杂环，R 1 表示具有或不具有取代基的烃基，R 2 、R 3 和R 4 中的1～3个相同或不同，表示具有或不具有取代基的烃基，剩余部分表示氢原子，X 1 、X 2 和X 3 中的1～3个相同或不同，表示具有或不具有取代基的烃基或具有或不具有取代基的烃氧基，剩余部分表示氢原子或羟基)表示的金属配合物反应，工序(b)：对二氧化碳和通式(1)表示的金属配合物的反应物外加电压。

Metal containing condensation reaction catalysts, methods for preparing the catalysts, and compositions containing the catalysts

A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.

C1,c2-bridged ligands and catalysts

The present disclosure provides catalyst compounds including a nonsymmetric bridged amine bis(phenolate), catalyst systems including such, and uses thereof. Catalyst compounds, catalyst systems, and processes of the present disclosure can provide high comonomer content and high molecular weight polymers having narrow Mw/Mn values, contributing to good processability for the polymer itself and for the polymer used in a composition.

ALGAE CULTIVATION MEDIUM AND METHOD OF INCREASING CARBON SHUTTLING IN AN ALGAE CULTIVATION MEDIUM

An algae cultivation medium includes a growth medium and at least one of an amine additive and a water-soluble biomimetic catalyst. A related method of increasing carbon shuttling in an algae cultivation medium includes adding at least one of the amine additive and the water-soluble biomimetic catalyst to the algae cultivation medium. 1. An algae cultivation medium comprising:a growth medium; andan amine additive and a water soluble biomimetic catalyst that act together to increase carbon shuttling in an algae cultivation medium.2. The algae cultivation medium of claim 1 , wherein said amine additive is a hindered primary amine.3. The algae cultivation medium of claim 1 , wherein said amine additive is a hindered secondary amine.4. The algae cultivation medium of claim 1 , wherein said amine additive is a tertiary amine.5. The algae cultivation medium of claim 1 , wherein said amine additive is an amino acid.7. The algae cultivation medium of including (a) an amine additive selected from a group consisting of a hindered primary amine claim 1 , a hindered secondary amine claim 1 , a tertiary amine claim 1 , an amino acid and combinations thereof and (b) a water soluble biomimetic catalyst.9. A method of increasing carbon shuttling in an algae cultivation medium claim 1 , comprising:{'sub': '2', 'adding an amine additive and a biomimetic catalyst to the algae cultivation medium wherein the amine additive and biomimetic catalyst work in concert to increase a concentration of carbon dioxide (CO) that is bioavailable to the algae.'}10. The method of claim 9 , including using a hindered primary amine as the amine additive.11. The method of claim 9 , including using a hindered secondary amine as the amine additive.12. The method of claim 9 , including using a tertiary amine as the amine additive.13. The method of claim 9 , including using an amino acid as the amine additive.15. The method of claim 9 , including using a compound selected from a group consisting of a ...

PROCESS TO CONTINUOUSLY PREPARE A CYCLIC CARBONATE

The invention is directed to a process to continuously prepare a cyclic carbonate product by reacting an epoxide compound with carbon dioxide in the presence of a supported dimeric aluminium salen complex. The process is performed in a reactor comprising a slurry of the supported dimeric aluminium salen complex and liquid cyclic carbonate product. The produced cyclic carbonate is discharged from the reactor while the supported dimeric aluminium salen complex remains in the reactor. The liquid carbonate product is purified by means of distillation. Between the reactor and the distillation one or more buffer vessels are present having a volume of between 5 and 50 mper kmol of dimeric aluminium salen complex as present in the reactor. 1. A process to continuously prepare a cyclic carbonate product by reacting an epoxide compound with carbon dioxide in the presence of a supported dimeric aluminium salen complex which catalyst is activated by a halide compound ,wherein the process is performed in a reactor comprising a slurry of the supported dimeric aluminium salen complex and the cyclic carbonate product as present as a liquid and wherein to the reactor carbon dioxide and the epoxide compound is continuously supplied and a liquid cyclic carbonate product stream comprising part of the halide compound and dissolved epoxide compound is discharged while substantially all of the supported dimeric aluminium salen complex remains in the reactor,wherein the cyclic carbonate product as present in the liquid cyclic carbonate product stream is separated from the halide compound in a distillation step wherein a purified cyclic carbonate product is obtained as a bottom product of the distillation step and wherein between the reactor and the distillation step the liquid cyclic carbonate product stream passes one or more buffer vessels,{'sup': 3', '3, 'wherein the total volume of the one or more buffer vessels expressed in mrelative to the amount of dimeric aluminium salen complex as ...

Methods for oligomerizing olefins with chromium pyridine ether catalysts

The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl ether compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1 - hexene, 1 -octene, or mixtures of 1 -hexene and 1 -octene.

Catalyst system for olefin oligomerization and method for preparing olefin oligomer by using same

Disclosed are a catalyst system capable of selectively oligomerizing olefins including ethylene and a method for preparing an olefin oligomer by using the same and, specifically, a novel catalyst system capable of tripletizing and quaternizing olefins, unlike olefin oligomerization catalyst systems that have been reported so far, and a method for preparing an olefin oligomer by using the same. The present invention provides a catalyst system for olefin oligomerization, the catalyst system comprising: a ligand compound represented by chemical formula 1 or 2; a chromium compound; a metal alkyl compound; and an aliphatic or alicyclic hydrocarbon solvent.

process for preparing a polyisocyanate-based polymer

Catalyst composition

Compounds can be used as catalysts, particularly in ring-opening polymerization reactions, including ring-opening co-polymerization (ROCOP) reactions, or in isocyanate trimerization reactions. The compounds have the formula L-M-Xn, where L is a pyridyl-bis(iminophenolate) ligand, M is a metal ion, X is a co-ligand to balance the charge of the compound, and n is an integer from 0 to 7. The compounds can be prepared by base condensation of a pyridyl-diamine compound with an aldehyde or ketone.

Ligand for asymmetric synthesis catalyst and method for producing α-alkenyl cyclic compound using the same

二氧化碳的电化学还原

本发明提供利用电能由CO 2 选择性地还原为一氧化碳或甲酸的方法、其中使用的催化剂和电化学还原系统。一种从二氧化碳到一氧化碳或甲酸的基于电化学还原的制造方法，其特征在于，具有以下的工序(a)和(b)。工序(a)：使二氧化碳与通式(1)(式中，M表示铼、锰、钌或铁，X表示OR 1 、SR 1 、NR 2 R 3 R 4 或PX 1 X 2 X 3 ，Y表示CO、OR 1 、SR 1 、NR 2 R 3 R 4 或PX 1 X 2 X 3 ，A环和B环相同或不同，表示具有或不具有取代基的含氮原子杂环，R 1 表示具有或不具有取代基的烃基，R 2 、R 3 和R 4 中的1～3个相同或不同，表示具有或不具有取代基的烃基，剩余部分表示氢原子，X 1 、X 2 和X 3 中的1～3个相同或不同，表示具有或不具有取代基的烃基或具有或不具有取代基的烃氧基，剩余部分表示氢原子或羟基)表示的金属配合物反应，工序(b)：对二氧化碳和通式(1)表示的金属配合物的反应物外加电压。

Catalyst system for olefin oligomerization and method for preparing olefin oligomer by using same

Disclosed are a catalyst system capable of selectively oligomerizing olefins including ethylene and a method for preparing an olefin oligomer by using the same and, specifically, a novel catalyst system capable of trimerizing and tetramerizing olefins, unlike olefin oligomerization catalyst systems that have been reported so far, and a method for preparing an olefin oligomer by using the same. The present invention provides a catalyst system for olefin oligomerization, the catalyst system comprising: a ligand compound represented by chemical formula 1 or 2; a chromium compound; a metal alkyl compound; and an aliphatic or alicyclic hydrocarbon solvent.

Metal containing condensation reaction catalysts, methods for preparing the catalysts, and compositions containing the catalysts

A composition is capable of curing via condensation reaction. The composition uses a new condensation reaction catalyst. The new condensation reaction catalyst is used to replace conventional tin catalysts. The composition can react to form a gum, gel, rubber, or resin.

Production method for 2-alkenylamine compound

1급 또는 2급 아민 화합물 및 2-알케닐 화합물을 출발 원료로 하여 효율적이고 낮은 비용으로 대응하는 2-알케닐아민 화합물을 제조하는 방법을 제공한다. 1급 또는 2급 아민 화합물을 2-알케닐 화합물과 반응시켜서 2-알케닐화할 때에 브론스테드산을 첨가하고, 착화제와, 1가 음이온성 5원환 공역 디엔에 의해 안정화된 전이금속 전구체로 이루어지는 촉매의 존재 하에서 2-알케닐화함으로써 2-알케닐아민 화합물을 제조한다. There is provided a method for producing a corresponding 2-alkenylamine compound by using a primary or secondary amine compound and a 2-alkenyl compound as starting materials in an efficient and low cost manner. Bronsted acid is added when the primary or secondary amine compound is reacted with a 2-alkenyl compound to make 2-alkenyl, and a transition metal precursor stabilized with a complexing agent and a monovalent anionic 5-membered ring conjugated diene 2-alkenylation in the presence of a catalyst to produce a 2-alkenylamine compound.

Methods For Oligomerizing Olefins With Chromium Pyridine Ether Catalysts

The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl ether compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.

Methods for oligomerizing olefins with chromium pyridine ether catalysts

The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl ether compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.

Ruthenium- or osmium-based complex catalysts

Disclosed are ruthenium or osmium based complex structures with a unique combination of ligands comprising a Schiff-base type ligand, a N-heterocyclic carbine ligand and a CO ligand. Further disclosed are the preparation processes of the said complex structures using easily accessible starting materials. The complex structures can be used as catalysts for hydrogenation of unsaturated compounds, oligomers and polymers at unforeseeably low temperatures.

一种乙烯选择性齐聚的方法及催化剂

本发明提供了一种乙烯选择性齐聚的方法及催化剂。该催化剂的原料组成为：摩尔比为1:0.5‑100:0.1‑5000的脱氢吡啶轮烯型配体、过渡金属化合物和有机金属化合物。本发明还提供了利用上述催化剂完成的乙烯选择性齐聚的方法。本发明的乙烯选择性齐聚的催化剂的催化活性高，对目标产物1‑己烯及1‑辛烯的选择性高，对1‑丁烯及1‑C 10 + 的选择性低。

Method of selective oligomerization of ethylene and its catalyst

一种铁配合物及其制备方法和用途

本发明提供了一种铁配合物及其制备方法和用途，所述体配合物的化学式为C 32 H 42 ClFeN 2 O 2 ，结构式为： 所述铁配合物通过如下方法制备得到：(1)将2‑叔丁基‑4‑乙基苯酚、氨甲基吡啶和/或N,N—二甲基乙二胺以及甲醛的水溶液在85℃条件下回流反应，得到反应产物，将反应产物洗涤后得到C 35 H 52 N 3 O 2 配体，(2)将C 35 H 52 N 3 O 2 配体与无水FeCl 3 在乙腈中反应生成配合物溶液；(3)放置等待配合物晶体析出，固液分离得到所述铁配合物晶体。所述铁配合物用于催化烟气脱汞具有优异的催化性能。

나프타 수소첨가탈황을 위한 고온 알루미나 지지체를 가진 선택적 촉매

본 발명은 나프타의 수소첨가탈황(HDS)을 위한 촉매 및 방법에 관한 것이다. 보다 구체적으로, 코발트/몰리브데늄 금속 수소첨가 성분을 분산 보조제의 존재 하에 고온 알루미나 지지체 상에 적재하여 나프타의 HDS에 사용되는 촉매를 제조한다. 상기 고온 알루미나 지지체는 올레핀 포화를 최소화하는 소정의 표면적을 갖는다. 수소첨가탈황, 촉매, 나프타, 알루미나

2-알케닐아민 화합물의 제조 방법

1급 또는 2급 아민 화합물 및 2-알케닐 화합물을 출발 원료로 하여 효율적이고 낮은 비용으로 대응하는 2-알케닐아민 화합물을 제조하는 방법을 제공한다. 1급 또는 2급 아민 화합물을 2-알케닐 화합물과 반응시켜서 2-알케닐화할 때에 브론스테드산을 첨가하고, 착화제와, 1가 음이온성 5원환 공역 디엔에 의해 안정화된 전이금속 전구체로 이루어지는 촉매의 존재 하에서 2-알케닐화함으로써 2-알케닐아민 화합물을 제조한다.

Process for preparation of ethylene oligomerization catalyst and oligomerization thereof

一种乙烯选择性齐聚的方法及催化剂

本发明提供了一种乙烯选择性齐聚的方法及催化剂。该催化剂的原料组成为：摩尔比为1:0.5‑100:0.1‑5000的脱氢吡啶轮烯型配体、过渡金属化合物和有机金属化合物。本发明还提供了利用上述催化剂完成的乙烯选择性齐聚的方法。本发明的乙烯选择性齐聚的催化剂的催化活性高，对目标产物1‑己烯及1‑辛烯的选择性高，对1‑丁烯及1‑C 10 + 的选择性低。

Method and catalyst for selective oligomerization of ethylene

The present invention provides a method and a catalyst for selective oligomerization of ethylene. The raw material for the catalyst consists of a dehydropyridine annulene-type ligand, a transition metal compound, and an organometallic compound in a molar ratio of l:0.5-100:0.1-5000. The present invention also provides a method for selective oligomerization of ethylene accomplished by using the above-mentioned catalyst. The catalyst for selective oligomerization of ethylene of the present invention has high catalytic activity, high selectivity for the target products l-hexene and l-octene, and low selectivity for l-butene and 1-C10+.

Catalyst composition

Compounds that can be used as catalysts, particularly compounds that can be used as catalysts in ring-opening polymerization reactions and/or isocyanate trimerization reactions.

Ｎ 오르토 아실 치환된 질소-포함 헤테로시클릭 화합물 및 이의 아미날 철 （ⅱ） 착체의 제조 방법

N 오르토 아실 치환된 질소-함유 헤테로시클릭 화합물, 및 이의 아미날 철 (II) 착체의 제조 방법과, 상기 방법에 의해 수득되는 착체의, 올레핀 올리고머화 촉매에 있어서의 용도가 제공된다. 본 발명에서, N 오르토 아실 치환된 질소-함유 헤테로시클릭 화합물은, 예를 들어 화학식 b로 표시되는 2-아실-1,10-페난트롤린 또는 2,6-디아세틸 피리딘이며; 본 발명에서, N 오르토 아실 치환된 질소-함유 헤테로시클릭 화합물은 치환 또는 비치환된 니트로벤젠 중에서의 이의 전구체의 반응에 의해 제조된다. 바람직하게는, 본 발명의 화학식 I로 표시되는 전구체는, 1,10-페난트롤린이 트리알킬 알루미늄, 또는 할로게노알킬 알루미늄 R n AlX m , 또는 치환 또는 비치환된 벤질 리튬 Ph'CH 2 Li와 반응한 다음, 가수분해 반응함으로써 제조된다. 본 발명에서 제공된 제조 방법은, 합성 단계의 수가 적으며, 공정이 용이하고, 독성 효과가 낮으며, 촉매의 제조 비용을 경감시켜서, 산업적인 적용에서 큰 가능성을 가지고 있다.

Sterically Emcumbered Bidentate and Tridentate Naphthoxy-Imine Metallic Complexes

The present invention discloses post-metallocene complexes based on sterically encumbered bi- and tri-dentate naphthoxy-imine ligands. It also relates to the use of such post-metallocene complexes in the oligomerisation of ethylene to selectively prepare vinyl-end capped linear alpha-olefins.

Metal complexes

The present invention provides novel metal complexes, methods of making, and methods of using the same.

Polycarbonate polyol compositions and methods

In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO 2 and epoxides comprising 1) a catalyst including a metal coordination compound having a permanent ligand set and at least one ligand that is a polymerization initiator, and 2) a chain transfer agent having one or more sites capable of initiating copolymerization of epoxides and CO 2 , wherein the chain transfer agent contains one or more masked hydroxyl groups. In a second aspect, the present disclosure encompasses methods for the synthesis of polycarbonate polyols using the inventive polymerization systems. In a third aspect, the present disclosure encompasses polycarbonate polyol compositions characterized in that the polymer chains have a high percentage of —OH end groups, a high percentage of carbonate linkages, and substantially all polycarbonate chains having hydroxyl end groups have no embedded chain transfer agent.

一种n邻位酰基取代的含氮杂环化合物及其缩胺合铁（ⅱ）配合物的制备方法

本发明提供一种N邻位酰基取代的含氮杂环化合物及其缩胺合铁(II)配合物的制备方法，以及由该方法制得的配合物在烯烃齐聚催化剂中的应用。本发明中所述N邻位酰基取代的含氮杂环化合物例如为式b所示的2-酰基-1,10-菲咯啉或2,6-二乙酰基吡啶；本发明所述N邻位酰基取代的含氮杂环化合物是通过其前体物质在取代或未取代的硝基苯中反应生成。优选本发明中式Ⅰ所示前体化合物是由1,10-菲咯啉与三烷基铝或卤代烷基铝R n AlX m 、或取代或未取代的苄基锂Ph’CH 2 Li反应，再经水解而生成。本发明提供的制备方法合成步骤少，工艺简单，低毒害且降低了催化剂制备成本，其工业化前景广阔。

Iron Catalyst Composition for Removing Hydrogen Sulfide Gas

PURPOSE: Provided is a Fe catalyst composition for removing odorous hydrogen sulfur gas. CONSTITUTION: The Fe catalyst is consisted of (a) a liquid Fe catalyst containing 30-38 wt.% of Fe(NO3)3, 35-45 wt.% of ethylene diamine tetra acetic acid (EDTA), 9-15 wt.% of dispersing agent, 9-11 wt.% of pH adjusting agent, 2-3 wt.% of stabilizer and remainder of water, and (b) an auxiliary catalyst containing 0.1-1 wt.% poly acryl amide, 10-20 wt.% of nonionic surfactant, and remainder of water.

金属络合物

本发明提供新型金属络合物、其制备方法和使用方法。

Zinc containing complex and condensation reaction catalysts, methods for preparing the catalysts, and compositions containing the catalysts

锂配合物在腈的硼氢化反应中的应用

本发明涉及一种锂化合物及其在有机合成领域中的应用，具体涉及一种锂配合物在腈的硼氢化反应中的应用。与β‑二亚胺阴离子配体在有机金属化学上的研究相比，β‑酮亚胺阴离子配体的应用研究却较少，关于双负离子β‑酮亚胺配体的化合物(配合物)及其应用与硼氢化反应迄今为止没有报道。本发明将该化合物应用于腈的硼氢化反应中，可以实现腈和频哪醇硼烷的高效还原。

一种希夫碱稀土镱碘化物及其制备方法和应用

本发明公开了一种希夫碱稀土镱碘化物及其制备方法和应用。所述的希夫碱稀土镱碘化物为N‑(4‑异丙基‑2，6‑二（二苯甲基）苯基)‑3,5‑二叔丁基‑2‑氧希夫碱稀土镱碘化物，其制备方法为：无水无氧条件下，N‑(4‑异丙基‑2，6‑二（二苯甲基）苯基)‑3,5‑二叔丁基‑2‑羟基苯甲醛亚胺和氢化钾反应得到相应钾盐，再与碘化镱反应，得到黄色晶体，即为N‑(4‑异丙基‑2，6‑二（二苯甲基）苯基)‑3,5‑二叔丁基‑2‑氧希夫碱稀土镱碘化物。本发明的希夫碱稀土镱碘化物的合成简单，分离提纯方便，结构明确，且收率高；其作为催化剂催化醛或者酮与频哪醇硼烷反应的活性高，底物普适性宽。

Polymerization system for the copolymerization of CO2 and epoxides and related method

Un sistema de polimerización para la copolimerización de CO2 y epóxidos, comprendiendo el sistema: un complejo metálico que incluye un conjunto de ligandos permanentes y por lo menos un ligando que es un iniciador de polimerización, y un agente de transferencia de cadena que tiene un sitio capaz de iniciar la copolimerización de epóxidos y CO2, en el que el agente de transferencia de cadena tiene una estructura HO-RPG, en la que: RPG es un grupo protector de hidroxilo; preferentemente: en el que el agente de transferencia de cadena se selecciona del grupo que consiste en metanol, t-butanol, alcohol alílico, y alcohol bencílico. A polymerization system for the copolymerization of CO2 and epoxides, the system comprising: a metal complex that includes a set of permanent ligands and at least one ligand that is a polymerization initiator, and a chain transfer agent having a site capable of initiating the copolymerization of epoxides and CO2, in which the chain transfer agent has an HO-RPG structure, in which: RPG is a hydroxyl protecting group; preferably: wherein the chain transfer agent is selected from the group consisting of methanol, t-butanol, allyl alcohol, and benzyl alcohol.

Schiff base metal complexes for use as catalysts in organic synthesis

This invention relates to metal complexes which are useful as catalysts components in olefin metathesis reactions, atom or group transfer radical polymerisation or addition reactions and vinylation reactions.

Silver catalyst for preparing ethylene oxide by ethylene epoxidation and preparation method thereof

本发明公开了一种乙烯环氧化制环氧乙烷银催化剂及其制备方法。该催化剂包含α‑氧化铝载体以及沉积在该载体上的银、助剂铼、碱金属和M‑salen配合物，通过浸渍方法制得。其中，银元素含量为催化剂总质量的1–30wt％，碱金属元素、铼元素和M‑salen配合物含量分别为催化剂总质量的5‑2500ppm、10‑2000ppm和5‑2000ppm，M‑salen配合物中金属M为Co，Mn，Ni或Gu。由于催化剂组成中加入了M‑salen配合物，使得其在乙烯氧化生产环氧乙烷的过程中显示出良好的活性。

C1,c2-bridged ligands and catalysts

The present disclosure provides catalyst compounds including a nonsymmetric bridged amine bis(phenolate), catalyst systems including such, and uses thereof. Catalyst compounds, catalyst systems, and processes of the present disclosure can provide high comonomer content and high molecular weight polymers having narrow Mw/Mn values, contributing to good processability for the polymer itself and for the polymer used in a composition.

Catalyst recycle methods

A kind of seven yuan of azepine magnesium metallic catalysts and its preparation method and application

本发明提供了一种七元氮杂镁金属催化剂及其制备方法和应用，制备方法：1)制备1‑(2‑(二甲基氨基)苄基)环己醇；2)在惰性气体保护下，将等当量的正丁基锂逐滴滴加到1‑(2‑(二甲基氨基)苄基)环己醇的乙醚溶液中，搅拌1小时，然后在冰水浴中缓慢滴入当量的溴化镁四氢呋喃溶液，恢复室温搅拌2小时，反应完毕后真空浓缩滤液，用二氯甲烷萃取，萃取液再换用四氢呋喃重结晶，室温析出无色透明晶体即可。该催化剂制备方法简便，原料易得，使用廉价的非过渡金属镁为催化活性金属，反应条件温和，对酮类化合物的转移氢化反应合成相应的二级醇类化合物具有较高催化活性，该催化反应时间短，产率高，对环境污染小，有很好的工业应用前景。

There are the preparation method and applications of chirality Salen catalysis ceramic membrane

本发明涉及一种具有手性Salen催化功能陶瓷膜的制备方法及其应用，属于手性催化领域和膜技术领域。将接枝改性并固载有Salen催化剂的纳米SiO 2 颗粒填充到陶瓷膜中，即得到具有手性Salen催化功能陶瓷膜。反应器包括：输液泵、料液槽、流量控制阀、进液口、出液口、取样口、进气口、排气口、不锈钢反应容器和橡胶密封垫圈等。本发明实现了纳米颗粒接枝固载Salen催化剂并填充到陶瓷膜，构建为陶瓷膜反应器，提高了Salen催化剂的固载率，进行不对称催化反应时，提高了反应的转化率和ee值，并且简化了催化剂的回收利用过程，为连续化生产提供了可能。

Preparation method and application of metal organic cage-shaped compound for preparing aniline by catalytic reduction of nitrobenzene

本发明涉及精细化工技术领域，一种用于催化还原硝基苯制苯胺的金属有机笼状化合物的制备方法及其应用，其中制备方法，是以过渡金属盐中的Co 2+ 作为节点，以L作为配体反应制得金属有机笼状化合物，其合成路线如下：Co 2+ +L→Co‑L；所述配体L选自H 4 TPO，所述过渡金属盐选自高氯酸钴、硝酸钴、四氟硼酸钴或三氟甲磺酸钴中的一种；采用本发明方法制备的金属有机笼状化合物原料价格低廉，产率高，得到的化合物化学性质稳定，易于投入实际应用中，作为一种催化剂在光照条件下还原硝基苯的轮转次数可以达到200000。

Electrochemical reduction of carbon dioxide