Chloroethane phosphonic acid derivs. prepn. - from vinyl acid derivs. and hydrogen chloride, intermediates for flame retardants, plant protecting agents and growth accelerators

Prepn. of phosphoric acid derivs. of formula (I): (where X is O or S, andY is Cl, except that when X is O, Y together with Y from another molecule can also be O) comprises reacting a vinyl phosphorus cpd. of formula (II): with HCl in the presence of N and/or P contg. organic cpds. (III) at elevated temps. NO 1-chloroethane phosphonic acid derivs. are formed. The process converts (II), which is formed as a by-prod. in previous prepns. of (I). (III) may be an amine, a heterocyclic N cpd., an acid amide, a quat. ammoniumor phosphonium salt, a tert. phosphine of an organic cpd. of 5-valent P. Reaction is at 50-180 (esp. 100-170 degree C).

PHOSPHONOMETHYL-GLYCINESTERANHYDRIDE UND DIESE VERBINDUNGEN ENTHALTENDE HERBIZIDE ZUBEREITUNGEN

VERFAHREN ZUR HERSTELLUNG VON PHOSPHIN- UND PHOSPHONSAEURE-ANHYDRIDEN

BETA-CHLORAETHANPYROPHOSPHONSAEURE UND IHRE VERWENDUNG ALS PFLANZENWACHSTUMSHORMON

New cyclic phosphonic compounds

A detergent composition comprises cyclic tetraphosphonic compounds of the general formula where the radicals R, which may be the same or different, are hydrogen, sodium potassium, ammonium, substituted ammonium or alkyl groups having from 1 to 6 carbon atoms and anionic, nonionic, ampholytic, cationic or zwitterionic detergents. The sodium and potassium salts of the cyclic tetraphosphonic acid are valuable as sequestering agents and builders in the detergent compositions. Usual additives such as alkaline materials, silicates, sulphates, germicides, suds builders or suppressors, dyes, perfumes and carboxymethyl cellulose may be present.ALSO:Novel compounds of the general formula wherein the radicals R, which may be the same or different, are hydrogen, sodium, potassium, ammonium, substituted ammonium or alkyl having 1-6 carbon atoms, are prepared by reacting acetic anhydride with phosphorous acid in a molar ratio of 0.5:1 to 1.3:1 at 120-160 DEG ...

Aminoalkylene Phosphonic Acid Derivatives

Cyclic phosphine sulphides

Novel cyclic phosphine sulphides of the general formula (R1PS)n wherein each R1 is a substituted or unsubstituted aliphatic, cycloaliphatic, or araliphatic group and n is 4; and cyclic phosphine sulphides of empirical formula (RPS) wherein R is as before and also includes substituted or unsubstituted aromatic or heterocyclic groups, are obtained by reacting a primary phosphine of formula RPH2, and sulphur, at a temperature at which H2S is evolved. Reaction may be effected in an inert solvent, or simply by mixing the reactants, when combination occurs, if necessary with heating. A suitable molar proportion of phosphine to sulphur is 1 : 2. The group R may be ethylenically or acetylenically unsaturated, and substituted or interrupted with, e.g. -OH, -SH, -CN, -NH2, or > C = O, and -S-, -O-, , -SO2-, -SO-, or -NH-. Examples are given for the preparation of (1) triphenylcyclo triphosphine trisulphide; (2) tetraoctylcyclotetraphosphine tetrasulphide; and (3) tetrabutylcyclotetraphosphine ...

Method of preparation of derived from the epoxy-1,2-propylphosphonique acid.

Method of preparation of the cis-epoxy-1,2 acid propylphosphonic.

HERBICIDES PREPARATIONS

PROCEDURE FOR THE PURE PRODUCTION OF PROPANE PHOSPHONIC ACID ANHYDRIDE

Verfahren zur Herstellung von Pyrophosphonsäureestern

Verfahren zur Herstellung von Dithiophosphonsäure-anhydriden

Verfahren zur Herstellung von Monothionopyrophosphonsäurederivaten

Insektizides Mittel

Verfahren zur Herstellung von Anhydriden der (-)(cis-1,2-Epoxypropyl)-phosphonsäure

Pflanzenwachstumsregulierungsmittel, die bis-aliphatische Phosphonsäureanhydride enthalten

Verfahren zur Herstellung von organischen Cyclophosphinsulfiden

Verfahren zur Herstellung von neuen cyclischen Tetraphosphonsäuren oder deren Salzen

SALTS OF WITH THE ORGANIC BASES AND THE METHODS OF THEIR CRYSTALLIZATION

Procedure for the production of a new anhydride (-) (cis-1,2-Epoxypropyl) - phosphonic acid

PROCEDURE FOR THE PRODUCTION OF CYCLI PHOSPHONS UREANHYDR IDEN

PLANT GROWTH-ADJUSTING MEANS

Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide

PROCESS FOR THE MANUFACTURE OF VINYL PHOSPHONIC ACID DERIVATIVES

Abstract of the disclosure: Process for the manufacture of viny1 phosphonic acid derivatives of the formula with R1 being hydrogen or alkyl with 1 to 4, prererably 1 to 2, carbon atoms and n being 1 or 2, which comprises heating to 150-270°C, preferably 170 to 230°C, 2-acetoxyethane phos-phonic acid dialkyl esters of the formula

ALKANE-BISALKYL-PHOSPHINIC ANHYDRIDES AND PROCESS FOR THE MANUFACTURE OF ALKANE- PHOSPHONIC ANHYDRIDES AND ALKANE-BISALKYL- PHOSPHINIC ANHYDRIDES

H0E 78/F 059 ALKANE-BISALKYL-PHOSPHINIC ANHYDRIDES AND PROCESS FOR THE MANUFACTURE OF ALKANE-PHOSPHONIC ANHYDRIDES AND ALKANE BISALKYL-PHOSPHINIC ANHYDRIDES of the disclosure: Alkane-bisalkylphosphinic anhydrides consisting of repeating units of the formula and process for the manufacture of alkane-phosphonic anhydrides and alkane-bisalkyl-phosphinic anhydrides consisting of repeating units of the formula wherein alkane-phosphonic acids or alkane-bisalkyl-phos-phinic acids of the formula are heated to 250 to 450.degree.C under reduced pressure while splitting off water.

METHOD FOR THE PRODUCTION OF CYCLIC PHOSPHONIC ACID ANHYDRIDES

Disclosed is a method for producing cyclic phosphonic acid anhydrides of formula (III) by a) reacting phosphonic acid derivatives of formula (I) with acetic anhydride at a temperature ranging between 30 and 150 ~C while separating a mixture of ethanoic acid and acetic anhydride by means of distillation, b) then reactively distilling the oligomeric phosphonic acid anhydrides of formula (II) obtained in step a) and transforming the same into the corresponding cyclic trimeric phosphonic acid anhydrides of formula (III), n representing a number between 0 and 300 while R represents allyl, aryl, or open-chain, cyclic, or branched C1 to C8 alkyl radicals, aryloxy, allyloxy, or alkoxy comprising open-chain, cyclic, or branched C1 to C8 alkyl radicals. Preferably, the cyclic trimeric phosphonic acid anhydrides formed in step b) are immediately dissolved in an organic solvent that exhibits an inert behavior relative thereto.

ANHYDRIDE D'ESTER DE PHOSPHONOMETHYLGLYCINE, COMPOSITION HERBICIDE LES CONTENANT ET LEUR UTILISATION

LA PRESENTE INVENTION CONCERNE EN TANT QUE PRODUITS NOUVEAUX DES ANHYDRIDES D'ESTERS DE N-PHOSPHONOMETHYLGLYCINE, DE MEME QU'UN PROCEDE POUR PREPARER DE TELS COMPOSES. LES COMPOSES PRESENTENT LA FORMULE GENERALE: (CF DESSIN DANS BOPI) FORMULE DANS LAQUELLE R EST UN MEMBRE CHOISI DANS LE GROUPE COMPRENANT DES GROUPEMENTS ALKYLE EN C-C, X EST DE L'EAU D'HYDRATATION ET M EST EGAL A 0 OU 1. ON PREPARE LES COMPOSES PAR REACTION DE L'ESTER DE N-PHOSPHONOMETHYLGLYCINE AVEC LE CHLORURE DE THIONYLE OU UN CHLORURE D'ACYLE. APPLICATION DE COMPOSITIONS CONTENANT LES PRODUITS EN TANT QUE COMPOSES ACTIFS DANS DES COMPOSITIONS HERBICIDES ET DANS DES COMPOSITIONS AUXILIAIRES POUR LA RECOLTE DES AGRUMES.

METHOD FOR PREPARING CYANOPHOSPHONATE DERIVATIVES FROM PHOSPHORIC ANHYDRIDE AND CYANIDE

ANHYDRIDES OF (-)(CIS-1,2-EPOXYPROPYL)-PHOSPHONIC ACID

... 1,224,086. (-)(Cis - 1,2 - epoxypropyl) - phosphonic acid derivatives; antibiotics. MERCK & CO. Inc. 24 Oct., 1968 [11 Sept., 1968], No. 50633/68. Headings C2A and C2C. [Also in Division A5] The invention comprises (a) an anhydride of (-)(cis - 1,2 - epoxypropyl) - phosphonic acid of the formula wherein R is H or a substituted or unsubstituted hydrocarbyl radical or a heterocyclic radical, (b) salts of such an anhydride in which R is H, (c) an anhydride of the formula and (c) an anhydride of the formula wherein R 3 is H, C 1 -C 6 alkyl, aralkyl, e.g. benzyl or a metal cation, and R is as defined above and is preferably C 1 -C 6 alkyl, C 2 -C 6 alkenyl or alkynyl, cycloalkyl, aralkyl or heteroaryl. The salts of compounds (I) and (III) may be e.g. the Na, K, NH 4 , Ca, Mg, Al, Ag or Fe salts or organic amine salts, e.g. salts of primary, secondary or tertiary amines, including heterocyclic amines and biologically active amines, e.g. erythromycin, oleandomycin, and novobiocin. The anhydrides ...

PROCEDURE FOR THE PRODUCTION OF PHOSPHIN AND PHOSPHONIC ACID ANHYDRIDES.

PROCEDURE FOR THE PRODUCTION OF CYANOGEN OF FROM PHOSPHORIC ACID ANHYDRIDE AND CYANIDE

Insecticide means

Procedure for the production of new anhydrides (-) (cis-1,2-Epoxypropyl) - phosphonic acid

HERBIZIDE ZUBEREITUNGEN

PROCESS FOR THE PREPARATION OF CARBOXYLIC ACID AMIDES AND PEPTIDES

... of the disclosure: The present invention relates to a process for the preparation of carboxylic acid amides and peptides, which comprises reacting compounds which contain a free amino group in the presence of anhydrides of alkane-phosphonic acids with compounds which contain a free carboxyl group.

PROCESS FOR PREPARING ALKANEPHOSPHONIC ANHYDRIDES

Process for preparing alkanephosphonic anhydrides of the formula (I) (see formula I) where R is straight-chain or branched unsubstituted C1-C6-alkyl and n >= 3, which comprises pyrolytically eliminating water from an alkanephosphonic acid of the formula (II) or a pyroalkanephosphonic acid of the formula (III) (see formula II,III) where R is straight-chain or branched Cl-C6-alkyl, without addition of solvent and removing the water from the reaction mixture by means of an inert gas stream.

METHOD FOR PREPARING CYANOPHOSPHONATE DERIVATIVES FROM PHOSPHORIC ANHYDRIDE AND CYANIDE

A process for preparing cyanophosphonate derivatives involves contacting phosphoric anhydride (P4O10) and a cyanide, preferably in the presence of a Lewis base, in a reaction mixture under sufficient conditions to produce a cyanophosphonate derivative. The cyanophosphonate derivative can be subsequently hydrogenated to produce an aminomethylphosphonate derivative.

H-isopropyl-2-chloroethane-(thiono)-phosphonic acid ester amide compounds and herbicidal compositions

NEW DERIVATIVES PHOSPHONATES, THEIR METHOD OF PREPARATION, THEIR MODULATING UTILISATIONCOMME OF THE ACTIVITY OF LYMPHOCYTES TGAMMA9 DELTA2

CHEMICAL PROCESS AND PRODUCTS (PROCESS FOR PREPARING ANCHYHIDES

NOVEL DERIVATIVES OF THE CIS-EPOXY -1,2 AND IN PARTICULAR PROPYLPHOSPHONIC MEDICAMENTS CONTAINING AS ACTIVE INGREDIENTS OF THE ACID DERIVATIVES CIS-EPOXY -1,2 IN THE DEXTROROTATORY FORM PROPYLPHOSPHONIC

Process for preparing alkanephosphonic anhydrides

Process for preparing phosphonic anhydrides of the formula (I) ##STR1## in which R is (C 1 -C 10 )-alkyl which is unsubstituted or substituted by alkyl groups, alkoxy groups, fluorine, chlorine or bromine atoms, nitro groups, cyano groups, trifluoromethyl groups, phenyl groups, it being possible for the phenyl radical in turn to carry alkyl groups, alkoxy groups, fluorine, chlorine, bromine atoms, nitro groups, cyano groups or alkoxycarbonyl groups, and n≧3, by reacting a phosphonic acid of the formula (II) ##STR2## in which R has the meaning given, with diketene, if appropriate at elevated temperature.

PROCESSES FOR OBTAINING A PHOSPHONIC ACID FROM A PHOSPHONIC ACID ANHYDRIDE

The present invention relates to a process for recovering a phosphonic acid. The present invention also relates to the conversion of a phosphonic acid to a phosphonic acid anhydride.

Derivatives of 4- or 5-aminosalicylic acid

The present invention provides new derivatives of 4- or 5-aminosalicylic acid, and a pharmaceutical composition containing these derivatives of 4- or 5-aminosalicylic acid as active ingredients, useful for the treatment of intestinal diseases such as inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS) and for the prevention/treatment of colon cancer. More particularly, these derivatives comprise a hydrogen sulfide releasing moiety linked via an azo, an ester, an anhydride, a thioester or an amide linkage to a molecule of 4- or 5-aminosalicylic acid. Furthermore, the present invention provides a process for preparing these compounds and their use for treating IBD and IBS and the prevention/treatment of colon cancer.

PROCEDURE FOR THE PRODUCTION OF CARBONIC ACID AMIDES AND PEPTIDEN.

Procedure for the production new, cyclischer Tetraphosphonatverbindungen

Procedure for the production of new anhydrides (-) (cis-1,2-Epoxypropyl) - phosphonic acid

HERBICIDES PREPARATIONS

PLANT GROWTH-ADJUSTING MEANS

PROCEDURE FOR THE PRODUCTION OF ALKANE PHOSPHONIC ACID ANHYDRIDES

PFLANZENWACHSTUMREGULIERENDES MITTEL

PHOSPHORHALTIGE TRIAZIN CONNECTIONS AS FLAME PROTECTION MEANS

SUBSTITUTED AMINO-METHYL PHOSPHONIC ACID ANHYDRIDES

ORAL CARE COMPOSITIONS COMPRISING PHOSPHONO-PHOSPHATE AND ANIONIC GROUP CONTAINING POLYMERS

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.

PROCESS FOR PREPARING VINYLPHOSPHONIC ACIDS

The present invention relates to a process for preparing vinylphosphonic acids of the formula (I), in which m is an integer from 1 to 20 by heating 2-chloroethylphosphonic acids of the formula (II), in which n is an integer equal to or smaller than m, if desired in the form of a solution, in the absence or presence of a catalyst to a temperature of 180 to 350°C and eliminating hydrogen chloride and, where appropriate, water under atmospheric pressure or reduced pressure and, if desired, hydrolysing the vinylphosphonic acids of the formula (I).

H-isopropyl-2-chloroethane-(thiono)-phosphonic acid ester amide compounds and herbicidal compositions

Method of preparation of anhydrides of acids aminophosphonic and new products thus obtained

New class of organic compounds of the phosphorus and their method of preparation

PREPARATION OF VINYLPHOSPHONIC ACID

PURPOSE: To provide a process for preparing the subject compound without using dangerous phosgene having high toxicity by a one step reaction, by heating chloroethylphosphonic acid to a specific temperature to remove hydrogen chloride or the like. CONSTITUTION: A 2-chloroethylphosphonic acid of formula I [(n) is not larger than (m)] is heated optionally in the presence of a catalyst (preferably a tertiary amine, an acid amide, a quarternary ammonium salt, a tertiary phosphine, a heterocyclic nitrogen compound, a quarternary phosphonium salt, a phosphine oxide or a phosphine imide) at 80-350°C, preferably 220-285°C optionally in a solvent while removing hydrogen chloride and optionally water under the atmospheric pressure or a reduced pressure to provide the objective compound of formula II [(m) is 1-20]. If necessary, the compound of formula II is hydrolyzed. COPYRIGHT: (C)1996,JPO ...

Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.

PROCEDE DE PREPARATION DE DERIVES DE L'ACIDE EPOXY-1,2 PROPYLPHOSPHONIQUE

Procédé de préparation d'anhydrides de l'acide époxy-1,2 propylphosphonique répondant à la formule : ...

Antibilharzia (O)-methyl-(1)-propynyl-phosphonic acid derivs. - intermediates for (1,2)-epoxy-propyl-phosphonic acid anhydrides and other related cpds.

Process for the preparation of derivatives of vinylphosphonic or vinylpyrophosphonic acids

The disclosure relates to a process for making derivatives of vinylpyrophosphonic acid, wherein a ketone is reacted with tetraphosphorus hexoxide (P4O6) in the presence of a catalytically active proportion of a proton-yielding substance at elevated temperature. Vinylphosphonic acid derivatives are obtained by hydrolyzing the vinylpyrophosphonic acid derivatives with an equivalent proportion of water. More particularly, the ketone used is a compound of the following general formula in which either R stands exclusively for a halogen and R' either stands for a halogen or hydrogen, a halogen-substituted or unsubstituted alkyl, aryl, alkaryl or aralkyl group having from 1 to 18 carbon atoms, and R'' stands for an alkyl, aryl, alkaryl, aralkyl or alkenyl group having from 1 to 18 carbon atoms, or R'' stands exclusively for an alkenyl group having from 2 to 18 carbon atoms and R and R' being identical or different each stand for hydrogen or a halogen or a halogen-substituted or unsubstituted ...

Triazine Compounds Contalning Phosphorous AS Flame Retardants

本发明涉及式(I)和(III)的含磷三嗪化合物，还涉及可通过式(II)的化合物的脱水缩聚获得的聚合物，以及其作为阻燃剂的应用。 [(A-H) + ] m [M m+ (HPO 4 2- ) m ](III-1)，[(A-H) + ] m [M m+ (P 2 O 7 4- ) m/2 ] (III-2)。

Method for the Production of Cyclic Phosphonic Acid Anhydrides

Method of performing condensation reactions, acylations or of preparing heterocycles comprising forming cyclic phosphonic anhydride of the formula (III) by a) reacting phosphonic acid derivatives of formula (I) with acetic anhydride at a temperature ranging between 30 and 150° C. while separating a mixture of ethanoic acid and acetic anhydride by means of distillation, b) then reactively distilling the oligomeric phosphonic acid anhydrides of formula (II) obtained in step a) and transforming the same into the corresponding cyclic trimeric phosphonic acid anhydrides of formula (III), wherein n represents a number between 0 and 300 while R represents allyl, aryl, or open-chain, cyclic, or branched C1 to C8 alkyl radicals, aryloxy, allyloxy, or alkoxy comprising open-chain, cyclic, or branched C1 to C8 alkyl radicals. Preferably the cyclic trimeric phosphonic acid anhydrides formed in step b) are immediately dissolved in an organic solvent that exhibits an inert behavior relative thereto.

Process for the preparation of phosphonic-acid anhydrides

The disclosure relates to a process for making phosphonic anhydrides of general formula (I) (RPO2)n.H2O (I) in which R stands for an alkyl or aryl radical having from 1 to 6 carbon atoms and n stands for a value between 2 and 20. To this end, the disclosure provides for a compound of general formula (II) (II) in which R has the meaning given above to be oxidized with concentrated sulfuric acid under inert gas and in the presence of a diluent at a temperature between 0 DEG and 100 DEG C., the compound of general formula (II) and sulfuric acid being used in a molar ratio of about 1:1.

PREPARATION OF CARBOXYLIC ACID AMIDES AND PEPTIDES

Phosphoantigen salts of organic bases and methods for their crystallization

PROCESS FOR THE MANUFACTURE OF PHOSPHINIC AND PHOSPHONIC ACID ANHYDRIDES

Method of preparation of anhydrides of acids dithiophosphonic

LUBRICANT COMPOSITIONS

BIS ALIPHATIC PHOSPHONIC ACID ANHYDRIDES

Process for preparing trimeric aromatic phosphonotrithioic acid anhydrides

A trimeric aryl phosphonotrithioic acid anhydride is obtained by reacting a primary aryl phosphine with sulphur monochloride to form a reaction mixture containing the said trimeric compound and separating the latter from the reaction mixture. The term "aryl" is defined as including substituted and unsubstituted aryl groups and aryl substituted C1-C5 alkyl groups. Specified substituents on the aryl group are halogen atoms, e.g. fluorine, chlorine, bromine, or iodine, nitro, and C1-C5 alkyl or alkoxy groups. The products are believed to have a cyclic structure exemplified by the following structure for trimeric phenylphosphonotrithioic acid anhydride:- In preparing the latter S2Cl2 may be added dropwise to an ethereal solution of phenyl phosphine and the crystalline precipitate formed removed by filtration and then washed and dried. The molar ratio of reactants is preferably approximately 1: 1 and suitable reaction temperatures are from 0 to 50 DEG C. or higher. The reaction ...

PROCESS FOR THE PREPARATION OF PURE PROPANEPHOSPHONIC ANHYDRIDE

Process for the preparation of pure propanephosphonic anhydride, which comprises distilling crude, impure propanephosphonic anhydride having an average degree of polymerization of 20 to 200 and containing less than 0.5% by weight of water by heating to 230 to 300°C under a pressure of 0.1 to 100 mbar, pure propanephosphonic anhydride having an average decree of polymerization of 20 to 60 being obtained.

Esters pyrophosphonic and process to prepare them

ESTER ANHYDRIDE OF PHOSPHONOMETHYLGLYCINE, WEEDKILLER COMPOSITION the CONTAINER AND THEIR USE

NEW DERIVATIVES PHOSPHONATES, THEIR METHOD OF PREPARATION, THEIR USE AS MODULATORS OF THE ACTIVITY OF LYMPHOCYTES TGAMMA9 DELTA2

The invention concerns novel phosphonate derivatives, preparation method, use thereof as ligands modulating T gamma 9 delta 2 lymphocyte activity and pharmaceutical compositions comprising them.

Derivatives of 4- or 5-aminosalicylic acid

The present invention provides new derivatives of 4- or 5-aminosalicylic acid, and a pharmaceutical composition containing these derivatives of 4- or 5-aminosalicylic acid as active ingredients, useful for the treatment of intestinal diseases such as inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS) and for the prevention/treatment of colon cancer. More particularly, these derivatives comprise a hydrogen sulfide releasing moiety linked via an azo, an ester, an anhydride, a thioester or an amide linkage to a molecule of 4- or 5-aminosalicylic acid. Furthermore, the present invention provides a process for preparing these compounds and their use for treating IBD and IBS and the prevention/treatment of colon cancer.

CHEMICAL PROCESS AND PRODUCTS (PROCESS FOR PREPARING ANCHYHIDES

Pyrophosphoric, pyro:phosphonic and iso:hypo:phosphoric acid derivs. - prepd. from phosphoryl imidazolium and organo phosphorus cpd.

NOUVEAU PROCEDE DE SYNTHESE DES DERIVES DISSYMETRIQUES P1, P2 DISUBSTITUES DES ACIDES PYROPHOSPHORIQUE, PYROPHOSPHONIQUE ET ISOHYPOPHOSPHORIQUE

NOUVEAU PROCEDE DE PREPARATION DES COMPOSES: (CF DESSIN DANS BOPI) PAR L'INTERMEDIAIRE DES COMPOSES : (CF DESSIN DANS BOPI) A REPRESENTE LES GROUPES SUIVANTS: -RADICAUX ALKYLE ET ALCOXY LINEAIRES OU RAMIFIES SATURES OU NON, PORTEURS OU NON DE GROUPEMENTS FONCTIONNELS; -RADICAUX ARYLES SUBSTITUES OU NON; -RADICAUX THIOALCOYLE; -RADICAUX AMINES.B REPRESENTE : -DES RADICAUX ALCOXY, THIOALCOXY OU ALKYLE LINEAIRES OU RAMIFIES PORTEURS OU NON DE GROUPEMENTS FONCTIONNELS; -DES RADICAUX ARYLE, ARALKYLE, ARYLOXY SUBSTITUES OU NON; -DES RADICAUX ALKYLAMINO, ARALCOYLAMINO, ARYLAMINO; -LE RADICAL CIS EPOXY-1,2 PROPYL () (-) OU ().M REPRESENTE UN CATION ORGANIQUE OU MINERAL, AINSI QUE M; ETY REPRESENTE O OU S.

TRIAZINE COMPOUNDS CONTAINING PHOSPHOROUS AS FLAME RETARDANTS

The present invention relates to triazine compounds containing phosphorous of formulas (I) and (III) and polymers obtainable from water separating polycondensation of a compound of formula (II) and the use thereof as flame retardants. [(A-H)] [M(HPO)] (III-1), [(A-H)] [M(PO)] (III-2).+m+2-+m+4-m4mm27m/2 COPYRIGHT KIPO & WIPO 2010 ...

VERFAHREN ZUR HERSTELLUNG VON 1,2- EPOXY-PROPYLPHOSPHONSAEUREDERIVATEN

PROCESS FOR PREPARING ALKANE-PHOSPHONIC- AND ALKANE-BIS-PHOSPHINIC ACID ANHYDRIDES

Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide

PROCESS FOR THE PREPARATION OF PURE PROPANEPHOSPHONIC ANHYDRIDE

Process for the preparation of pure propanephosphonic anhydride, which comprises distilling crude, impure propanephosphonic anhydride having an average degree of polymerization of 20 to 200 and containing less than 0.5% by weight of water by heating to 230 to 300°C under a pressure of 0.1 to 100 mbar, pure propanephosphonic anhydride having an average decree of polymerization of 20 to 60 being obtained.

New insecticidal agents

Phosphonates useful as modulators of t $g(g)9$g(d)2 lymphocyte activity

The invention concerns novel phosphonate derivatives, preparation method, use thereof as ligands modulating T γ9δ2 lymphocyte activity and pharmaceutical compositions comprising them.

Phosphono-Phosphate And Anionic Group Containing Polymers

Disclosed are novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite.

Process for the preparation of alkanephosphonic acids anhydrides

Prepn. of alkane phosphonic acid anhydrides of formula HO-(P(=O)(R)-O)n-H (I) comprises the pyrolytic cleavage of water from an alkane phosphonic acid of formula O=P(OH)(R)-OH (II) or a pyro-alkane phosphonic acid of formula HO-P(=O)(R)-O-P(=O)(R)-OH (III) without using any added solvent, whilst removing water from the reaction mixt. by flow of inert gas. R = 1-6C alkyl; and n = ≥ 3.

PREPARATION OF 1*22EPOXYPROPYLPHOSPHONIC ACID DERIVATIVE

THERAPEUTICALLY USEFUL PHOSPHONIC ACID DERIVATIVES

PREPARATION OF CARBOXYLIC ACID AMIDES AND PEPTIDES

What is disclosed is a method of making a carboxylic acid amide, including a peptide, by reacting a compound having a free amino group with a compound having a free carboxy group in the presence of an anhydride of an alkane-phosphonic acid.

Method for the production of cyclic phosphonic acid anhydrides

Process for making bortezomib and intermediates for the process

The invention relates to processes of making bortezomib of formula (1) enantiomers thereof and/or intermediates thereof, comprising at least one step of coupling a carboxylic acid with an amine, wherein the coupling step is performed in a presence of the compound of formula (8), wherein A is C1-C6 alkyl group, preferably wherein A is n-propyl group.

ORAL CARE COMPOSITIONS COMPRISING PHOSPHONO-PHOSPHATE AND ANIONIC GROUP CONTAINING POLYMERS

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications. 3. The oral care composition of wherein Ris H.5. The oral care composition of wherein said anionic group is selected from the group consisting of phosphate claim 1 , phosphonate claim 1 , sulfate claim 1 , sulfonate claim 1 , and carboxylate.6. The oral care composition of wherein Ris H.11. The oral care composition of wherein Ris —H.12. The oral care composition of wherein Ris another polymer chain with a head to head attachment.14. The oral care composition of wherein said composition further comprises from about 5% to about 70% claim 1 , by weight of the composition claim 1 , of water.15. The oral care composition of wherein said composition further comprises from about 0.1% to about 11% claim 1 , by weight of the composition claim 1 , of a metal ion salt.16. The oral care composition of wherein said metal ion salt is stannous fluoride. The present invention relates to novel phosphono-phosphate and anionic group containing polymers. The present invention further relates to using oral care compositions comprising the novel polymers.Chemical structures that interact with multivalent cations in solution and with surfaces containing multivalent cations are useful for manipulation of these systems. Polyphosphates and pyrophosphate, for example, have been used as builders in laundry and dish formulations to control calcium and in drilling muds to prevent precipitation. They have also been used in the oral care industry to help control tartar and reduce the thickness of the pellicle layer on teeth resulting in a slick tooth feel. Similarly, bisphosphonates, and hydroxy-bisphosphonates are active components in osteoporosis pharmaceuticals due ...

Substituted 6-methoxy-4-amino-n-phenyl-2-naphtamides as sphingosine receptor modulators

The present invention relates to substituted 6-methoxy-4-amino-N-phenyl-2-naphtamides derivatives, processes for preparing them, pharmaceutical compositions to containing them and their use as pharmaceuticals as modulators of sphingosine-1-phosphate receptors.

Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.

Phosphono-phosphate and anionic group containing polymers

Disclosed are novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite.

Phosphono-phosphate containing compounds and polymers

Disclosed are novel phosphono-phosphate compounds, monomers, and polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver actives to surfaces such as calcium hydroxyapatite.

Compositions comprising multi-valent cations and phosphono-phosphate containing polymers

Disclosed are novel phosphono-phosphate polymer compositions with multi-valent cations in aqueous solutions. These compositions can further include mono or multivalent anions.

Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.

Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.

Compositions comprising multi-valent cations and phosphono-phosphate containing polymers

Disclosed are novel phosphono-phosphate polymer compositions with multi-valent cations in aqueous solutions. These compositions can further include mono or multivalent anions.

Phosphono-phosphate containing compounds and polymers

Disclosed are novel phosphono-phosphate compounds, monomers, and polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver actives to surfaces such as calcium hydroxyapatite.

包含多价阳离子和含膦酰基-磷酸根聚合物的组合物

本发明公开了在水溶液中具有多价阳离子的新型膦酰基‑磷酸根聚合物组合物。这些组合物还可包含一价或多价阴离子。

Triazine compounds containing phosphorous as flame retardants

본 발명은, 하기 화학식 I 및 III의 인 함유 트리아진 화합물 및 하기 화학식 II의 화합물의 물-제거 축중합으로부터 수득가능한 중합체, 및 이들의 난연제로서의 용도에 관한 것이다. <화학식 I> <화학식 II> <화학식 III-1> [(A-H) + ] m [M m + (HPO 4 2 - ) m ] <화학식 III-2> [(A-H) + ] m [M m + (P 2 O 7 4 - ) m/2 ] The present invention relates to polymers obtainable from the water-removal condensation polymerization of phosphorus-containing triazine compounds of the following formulas I and III and of the compounds of the formula II and their use as flame retardants. (I) &Lt; &Lt; Formula (III-1) &gt; [(AH) + ] m [M m + (HPO 4 2 - ) m ] &Lt; Formula (III-2) &gt; [(AH) + ] m [M m + (P 2 O 7 4 - ) m / 2 ]

Polymers containing phosphono-phosphate groups and anionic groups

本发明公开了含有膦酰基‑磷酸根基团和阴离子基团的新型聚合物组合物，所述聚合物组合物具有对于二价阳离子和具有二价阳离子的表面的靶向用途。这些化合物可用于向表面诸如钙羟基磷灰石递送阴离子特征。

Phosphonyl-phosphate containing compounds and polymers

本发明公开了新型的含膦酰基‑磷酸根的化合物、单体和聚合物组合物，所述聚合物组合物具有对于二价阳离子和具有二价阳离子的表面的靶向用途。这些化合物可用于向表面诸如钙羟基磷灰石递送活性物质。

Anhydrides of (-)(cis-1,2-epoxypropyl)-phosphonic acid

Process for making derivatives of vinylphosphonic acid or vinylpyrophosphonic acid

The disclosure relates to a process for making derivatives of vinylpyrophosphonic acid, wherein a ketone is reacted with tetraphosphorus hexoxide (P 4 O 6 ) in the presence of a catalytically active proportion of a proton-yielding substance at elevated temperature. Vinylphosphonic acid derivatives are obtained by hydrolyzing the vinylpyrophosphonic acid derivatives with an equivalent proportion of water. More particularly, the ketone used is a compound of the following general formula ##STR1## in which either R stands exclusively for a halogen and R' either stands for a halogen or hydrogen, a halogen-substituted or unsubstituted alkyl, aryl, alkaryl or aralkyl group having from 1 to 18 carbon atoms, and R" stands for an alkyl, aryl, alkaryl, aralkyl or alkenyl group having from 1 to 18 carbon atoms, or R" stands exclusively for an alkenyl group having from 2 to 18 carbon atoms and R and R' being identical or different each stand for hydrogen or a halogen or a halogen-substituted or unsubstituted alkyl, aryl, alkaryl or aralkyl group having from 1 to 18 carbon atoms.

Phosphorus-containing triazine compounds as flame retardants

Die vorliegende Erfindung betrifft phosphorhaltige Triazin-Verbindungen der Formel (I) und (III) sowie Polymere, erhältlich aus der Wasser abspaltenden Polykondensation einer Verbindung der Formel (II), und deren Verwendung als Flammschutzmittel. $F1 [(A-H)<SUP>+</SUP>]<SUB>m</SUB>[M<SUP>m+</SUP>(HPO<SUB>4</SUB><SUP>2-</SUP>)<SUB>m</SUB>] (III-1), [(A-H)<SUP>+</SUP>]<SUB>m</SUB>[M<SUP>m+</SUP>(P<SUB>2</SUB>O<SUB>7</SUB><SUP>4-</SUP>)<SUB>m/2</SUB>] (III-2). The present invention relates to phosphorus-containing triazine compounds of the formula (I) and (III) and to polymers obtainable from the water-eliminating polycondensation of a compound of the formula (II) and their use as flame retardants. $ F1 [(AH) <SUP> + </ SUP>] <SUB> m </ SUB> [M <SUP> m + </ SUP> (HPO <SUB> 4 </ SUB> <SUP> 2 - </ SUP>) <SUB> m </ SUB>] (III-1), [(AH) <SUP> + </ SUP>] <SUB> m </ SUB> [M <SUP> m + </ SUP> ( P <SUB> 2 </ SUB> O <SUB> 7 </ SUB> <SUP> 4 - </ SUP>) <SUB> m / 2 </ SUB>] (III-2).

Triazine compounds containing phosphorous as flame retardants

The present invention relates to triazine compounds containing phosphorous of formulas (I) and (III) and polymers obtainable from water separating polycondensation of a compound of formula (II) and the use thereof as flame retardants. [(A-H)+]m [Mm+(HPO42-)m] (III-1), [(A-H)+]m [Mm+(P2O74-)m/2] (III-2).

PROCEDURE FOR THE PREPARATION OF CYCLIC PHOSPHONIC ACID ANHYDRATES.

Procedimiento para la preparación de anhídridos de ácido fosfónico cíclicos de fórmula (III) mediante a) reacción de derivados de ácido fosfónico de fórmula (I) con anhídrido de ácido acético a una temperatura en el intervalo de 30 a 150ºC y separación por destilación simultánea de una mezcla de ácido acético y anhídrido de ácido acético y b) posterior destilación reactiva de los anhídridos de ácido fosfónico oligoméricos de fórmula (II) obtenidos en la etapa a) y conversión en los anhídridos de ácido fosfónico trímeros cíclicos de fórmula (III) correspondientes **(Ver fórmula)** en la que n es un número entero de 0 a 300 y R representa H, flúor, cloro, bromo, yodo, alilo, arilo o restos alquilo C1 a C8 cíclicos o ramificados de cadena abierta, ariloxi, aliloxi o alcoxi con restos alquilo C1 a C8 cíclicos o ramificados de cadena abierta, nitro, nitrilo, carboxi, éster de ácido carboxílico con restos alquilo C1 a C8 de cadena abierta o ramificados, restos amida o alquilamida con restos alquilo C 1 a C 8 de cadena abierta o ramificados y disolviéndose inmediatamente los anhídridos de ácido fosfónico trímeros cíclicos formados en la etapa b) en un disolvente orgánico que es inerte a éstos. Process for the preparation of cyclic phosphonic acid anhydrides of formula (III) by a) reaction of phosphonic acid derivatives of formula (I) with acetic acid anhydride at a temperature in the range of 30 to 150 ° C and simultaneous distillation separation of a mixture of acetic acid and acetic acid anhydride and b) subsequent reactive distillation of the oligomeric phosphonic acid anhydrides of formula (II) obtained in step a) and conversion into the corresponding cyclic trimeric phosphonic acid anhydrides of formula (III) * * (See formula) ** in which n is an integer from 0 to 300 and R represents H, fluorine, chlorine, bromine, iodine, allyl, aryl or C1 to C8 alkyl cyclic or branched chain, aryloxy, allyloxy or alkoxy with cyclic or branched C1 to C8 alkyl radicals, nitro, ...

Triazine compounds containing phosphorus as flame retardants

Process for the preparation of bortezomib and intermediates for the process

Uso de anhídrido de alquiltrifosfonato cíclico de fórmula (8)**Fórmula** en la que A es un grupo alquilo C1-C6, preferiblemente un grupo n-propilo, como un agente de acoplamiento en un proceso para la preparación de bortezomib de fórmula (1),**Fórmula** enantiómeros del mismo y/o intermedios de los mismos, donde los intermedios tienen la fórmulas 4A, 6 y 3A.**Fórmula** en las que PR es un grupo protector quiral, R1 es hidrógeno, R es un grupo protector de N. Use of cyclic alkyltrisphosphonate anhydride of formula (8)**Formula** in which A is a C1-C6 alkyl group, preferably an n-propyl group, as a coupling agent in a process for the preparation of bortezomib of formula (1),**Formula** enantiomers thereof and/or intermediates thereof, where the intermediates have the formulas 4A, 6 and 3A.**Formula** where PR is a chiral protecting group, R1 is hydrogen , R is a protecting group of N.

Phosphorus-containing triazine compounds as flame retardants

METHOD FOR PRODUCING VINYPHOPHONIC ACID DERIVATIVES

Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.

Isotope coded affinity tags

The invention relates to isotope coded affinity tags for the mass spectrometric analysis of amino acid phosphates, phosphopeptides or phosphoproteins, their use and kits comprising the same.

Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide

A process for preparing cyanophosphonate derivatives involves contacting phosphoric anhydride (P 4 O 10 ) and a cyanide, preferably in the presence of a Lewis base, in a reaction mixture under sufficient conditions to produce a cyanophosphonate derivative. The cyanophosphonate derivative can be subsequently hydrogenated to produce an aminomethylphosphonate derivative.

METHOD FOR PRODUCING PHOSPHONIC ACID ANHYDRIDES

Phosphonates useful as modulators of T-gamma-9-delta-2 activity

The invention concerns novel phosphonate derivatives, preparation method, use thereof as ligands modulating T γ9δ2 lymphocyte activity and pharmaceutical compositions comprising them.

Method for producing alkanephosphonic anhydride

Process for the preparation of alkyl or aryl dithiophosphonic acid anhydrides

Triazine compounds containing phosphorous as flame retardants

Process for the preparation of phosphonic-acid anhydrides

Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.

Anhydrides of (-) cis-1,2-epoxypropyl)-phosphonic acid

Anhydrides of (-)(cis-1,2-epoxypropyl)-phosphonic acid are prepared by treating a (-)(cis-1,2-epoxypropyl)-phosphonic acid compound with an alkyl anhydride, by treating a (-)(cis-1,2-epoxypropyl)-phosphonic acid compound with ortho-phosphoric acid, or by treating an acid halide of (-)(cis-1,2-epoxypropyl)-phosphonic acid with an hydroxyl containing compound. The (-)(cis-1,2-epoxypropyl)-phosphonic acid anhydrides are active antibacterial agents. [US3862148A]

Class of organo phosphorous compounds and process for preparing members thereof

Process for preparing phosphorus-containing flame retardants and their use in polymer compositions

포스폰산, 포스폰산용 용매, 및 금속 또는 적합한 금속 화합물을 포함하는 반응 혼합물을 제조하는 것, 및 포스폰산 및 금속 또는 적합한 금속 화합물을 본원에 기재된 바와 같은 조건하에서 반응시키는 것에 의해 인-함유 난연제가 제조된다. 생성되는 난연성 생성물의 화학적 조성은 뛰어난 난연성으로 이어져, 높은 열적 안정성을 나타낸다. 본원에 개시된 난연제는 예를 들어 광범위한 적용분야에 걸쳐 고온에서 처리되는 중합체 조성물, 특히 열가소성 물질에 유용하다.

Manufacture of vinylphosphonic acid or vinylpyrophosphonic acid

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Patent JPH029595B2

Method for the production of cyclic phosphonic acid anhydrides

Disclosed is a method for producing cyclic phosphonic acid anhydrides of formula (III) by a) reacting phosphonic acid derivatives of formula (I) with acetic anhydride at a temperature ranging between 30 and 150° C. while separating a mixture of ethanoic acid and acetic anhydride by means of distillation, b) then reactively distilling the oligomeric phosphonic acid anhydrides of formula (II) obtained in step a) and transforming the same into the corresponding cyclic trimeric phosphonic acid anhydrides of formula (III), wherein n represents a number between 0 and 300 while R represents allyl, aryl, or open-chain, cyclic, or branched C 1 to C 8 alkyl radicals, aryloxy, allyloxy, or alkoxy comprising open-chain, cyclic, or branched C 1 to C 8 alkyl radicals. Preferably the cyclic trimeric phosphonic acid anhydrides formed in step b) are immediately dissolved in an organic solvent that exhibits an inert behavior relative thereto.

Phosphorhaltige triazin-verbindungen als flammschutzmittel

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Verfahren zur herstellung von cyanophosphonatderivaten aus phosphorsäureanhydrid und cyanid

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Verfahren zur herstellung von cyclischen phosphons ureanhydr iden

含膦酰基-磷酸根基团和阴离子基团的聚合物

本发明公开了含有膦酰基‑磷酸根基团和阴离子基团的新型聚合物组合物，所述聚合物组合物具有对于二价阳离子和具有二价阳离子的表面的靶向用途。这些化合物可用于向表面诸如钙羟基磷灰石递送阴离子特征。

Novel(thiono)-phosphonic acid ester amides, their preparation and their use as plantgrowth regulators

一种纺织涂层阻燃剂及其制备方法和应用

本发明属于阻燃剂技术领域，具体为一种纺织涂层阻燃剂及其制备方法和应用，其特征在于所述的阻燃剂为一种以焦烷基膦酸为基础的膨胀阻燃剂的制备方法。以焦甲基膦酸为原料，与含氮化合物反应成盐，得到含有磷氮及碳源的膨胀型阻燃剂，其结构式为：

Verfahren zur herstellung von alkanphosphonsäureanhydriden

Werkwijze voor het bereiden van n-isopropyl 2-chloorethaan(thiono)fosfonzuuresteramiden, alsmede de toepassing daarvan voor het reguleren van de plantegroei.

Method of preparing phosphorus-containing flame retardants and their use in polymer compositions

A phosphorus-containing flame retardant is produced by preparing a reaction mixture, the reaction mixture including a phosphonic acid, a solvent for the phosphonic acid, and a metal or suitable metal compound, and reacting the phosphonic acid and the metal or suitable metal compound under conditions as described herein. The chemical composition of the resulting flame retardant product leads to excellent flame retardancy and exhibits high thermal stability. The presently disclosed flame retardants are useful, for example, in polymer compositions, particularly thermoplastics processed at high temperatures, over a wide range of applications.

Cyclische Tetraphosphonsäureverbindungen und Verfahren zu ihrer Herstellung

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Syklinen tetrafosfonihappo ja menetelmä sen valmistamiseksi

Fremgangsmåde til fremstilling af en cyklisk tetraphosphonsyre eller derivater heraf.

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Fremgangsmaade til fremstilling af carboxylsyreamider og peptider

Fremgangsmaade til fremstilling af carboxylsyreamider og peptider

Process for the preparation of carboxylic acid amides and peptides

N-isopropyl-2-chlorethan-(thiono)-phosphonsyreanhydridamider med plantevaekstregulerende egenskaber

N-isopropyl-2-chlorethan-(thiono)-phosphonsyreanhydridamider med plantevaekstregulerende egenskaber

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N-iso-propyl-2-chloraethan-(thiono)phosphonsaeureesteramide, verfahren zu ihrer herstellung sowie ihre verwendung als pflanzenwachstumsregulatoren

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膦酸金属盐的制造方法及包含膦酸金属盐的热塑性树脂组合物

本发明的课题是提供一种苯膦酸金属盐的制造方法，所述苯膦酸金属盐作为适于促进热塑性树脂的结晶化的结晶成核剂、特别是减少了环境负荷高的来源于石油的有机成分的结晶成核剂是适合的。作为解决本发明课题的方法涉及一种苯膦酸金属盐的制造方法、包含通过该制造方法生成的苯膦酸金属盐及剩余金属盐、剩余金属氧化物或剩余金属氢氧化物的苯膦酸金属盐组合物、以及包含该苯膦酸金属盐组合物的热塑性树脂组合物，所述苯膦酸金属盐的制造方法的特征在于，使苯膦酸化合物(a)与超过其当量的量的金属盐、金属氧化物或金属氢氧化物(b)进行反应。

글루포시네이트 또는 그 유도체 제조 방법

본 개시는 글루포시네이트 또는 그 유도체의 제조 방법에 관한 것이다.

Process for preparing of cis-1,2 epoxypropyl phosphonic acid derivatives

Procedimiento para la preparacion de nuevos derivados del acido cisepoxi-1,2 propilfosfonico

Ciss1*22epoxypropyllpyrophosphonic acid derivatives* manufacturing process therefor and medicinal compositions containing it

Asymmetrische cis-1,2-epoxy-propylphosphonsaeure-derivate, verfahren zu ihrer herstellung und sie enthaltende arzneimittel

Method of preparing phosphorus-containing flame retardants and their use in polymer compositions

A phosphorus-containing flame retardant is produced by preparing a reaction mixture, the reaction mixture including a phosphonic acid, a solvent for the phosphonic acid, and a metal or suitable metal compound, and reacting the phosphonic acid and the metal or suitable metal compound under conditions as described herein. The chemical composition of the resulting flame retardant product leads to excellent flame retardancy and exhibits high thermal stability. The presently disclosed flame retardants are useful, for example, in polymer compositions, particularly thermoplastics processed at high temperatures, over a wide range of applications.

Preparation method of glufosinate or derivatives thereof

The present disclosure relates to the preparation method of glufosinate or derivatives thereof.

Bis-aliphatische Phosphonsaeureanhydride