Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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05/11/2005 | EP1529032A1 Processes for the preparation of 4- 4- 4-(2 -cyanoethenyl)-2,6-dimethylphenyl )amino) -2-pyrimidinyl)amino benzonitrile |
05/10/2005 | US6891059 Asymmetric catalytic hydrogenation of specified alkene in presence of solvent and chiral catalyst comprising chiral phosphine ligand to prepare (S)-3-cyano-5-methylhexanoic acid derivative |
05/10/2005 | CA2354773C Cyanoethylation of cycloaliphatic vicinal primary diamines |
05/06/2005 | WO2005040097A1 Resolution of 3-amino alkylnitriles |
05/06/2005 | WO2005039766A1 The use of ir, near ir, visable and uv radiation for the preparation of catalysts |
05/06/2005 | WO2005039764A1 Method for the preparation and use of activated granulates of base metals |
05/06/2005 | WO2004105929A3 Phase transfer catalysis scrubber |
05/06/2005 | WO2004031107A8 Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
05/06/2005 | CA2543606A1 Resolution of 3-amino alkylnitriles |
05/05/2005 | US20050096472 Preparing a 3-unsubstituted-5-amino-4-nitrosopyrazole compound by cyclicizing a 3-hydrazono-2-hydroxyiminopropionitrile which, in turn, is prepared by reacting a hydrazine with 2-hydroxyimino-3-oxopropionitrile; a 4,5-diaminopyrazole chemical intermediate used for hair dyes, antitumor agents; drugs |
05/05/2005 | US20050096471 Process for producing biaryl compound |
05/04/2005 | EP1528054A1 Hydrocyanation of pentenenitriles and/or 2-methyl-3-butenenitrile using promoters obtained from the chlorination of titanium-rich ores |
05/04/2005 | EP1527042A2 Method for producing aminoalkoxy benzylamines and aminoalkoxy benzonitriles as intermediates |
05/04/2005 | CN1612887A Phosphino-aminophosphines |
05/04/2005 | CN1612858A Process for preparing succinonitrile |
05/04/2005 | CN1199941C Method for preparing 2,6-difluorobenzonitrile by using 2,6-dichlorobenzonitrile fluoro |
05/04/2005 | CN1199940C Acrylonitrile quench tower |
05/03/2005 | US6888032 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
05/03/2005 | US6887871 Use of phenylheteroakylamine derivatives |
05/03/2005 | US6887825 Method for the preparation of vanadium-antimony-oxide based oxidation and ammoxidation catalysts using non-aqueous media |
04/28/2005 | WO2004035528A8 Method for the production of a multi-metal oxide material |
04/28/2005 | US20050090681 Hydrocyanation of pentenenitriles and/or 2-methyl-3-butenenitrile using promoters obtained from the chlorination of titanium-rich ores |
04/28/2005 | US20050090678 Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles |
04/28/2005 | US20050090677 Phosphinites |
04/27/2005 | CN1609099A Fenvalerate preparing process |
04/27/2005 | CN1198791C Process for preparing 4-hydroxyanilines |
04/27/2005 | CN1198788C Method for hydrogenating aliphatic alpha-, omega-dinitriles |
04/26/2005 | US6884751 Reacting an aqueous solution of a phosphine and Ni(OH)2 with HCN or an HCN source; reducing the nickel to a zero oxidation state |
04/26/2005 | US6884406 Reforming catalyst |
04/26/2005 | CA2177135C Processes and catalyst compositions for hydrocyanation of monoolefins |
04/21/2005 | WO2005035483A1 Process for the preparation of 1-[cyano(phenyl)methyl]-cyclohexanol compounds |
04/21/2005 | WO2004101497A3 Dinitrile preparation method |
04/21/2005 | US20050085678 Using mixed oxide catalyst |
04/21/2005 | US20050085657 Reacting biphenyl with cyanogen chloride in the presence of anhydrous aluminum chloride; no problematic wastes; 4-cyanobiphenyl |
04/21/2005 | CA2539638A1 Process for the preparation of 1-[cyano(phenyl)methyl]-cyclohexanol compounds |
04/20/2005 | EP1524268A1 Compounds and method for preparing sustituted 4-phenyl-4-cyanocyclohexanoic acids |
04/20/2005 | CN1608049A Method for preparing benzyl cyanide compound |
04/20/2005 | CN1607980A Catalyst comprising cyclic acylurea compounds and processes for production organic compounds with the same |
04/20/2005 | CN1197868C Method for preparing water soluble sulphonated organophosphorous compounds |
04/19/2005 | US6881874 Process for the catalytic oxidation of hydrocarbons |
04/14/2005 | US20050080288 Reacting a benzonitrile compound with cyclohexanone in presenc eof basic catalyst; chemical internmediate for venlafaxine |
04/14/2005 | US20050079988 adding a combination of percarboxylic acid, a carboxylic acid and hydrogen peroxide to a cationic nitrile bleach activator |
04/13/2005 | EP1521738A2 Method for making nitrile compounds from ethylenically unsaturated compounds |
04/13/2005 | EP1521737A1 Method for the recycling of a lewis acid |
04/13/2005 | EP1521736A1 Making nitrile compounds from ethylenically unsaturated compounds |
04/13/2005 | EP1521633A1 Method for preparing a catalyst for partial oxidation of acrolein |
04/13/2005 | CN1606543A Alpha-cyanoacrylates |
04/13/2005 | CN1196675C Preparation of alum antimonate catalyst using tin dioxide hydrate |
04/13/2005 | CN1196674C Amelioration of ammonia breakthrough in alkane ammoxidation process |
04/13/2005 | CN1196525C Iridium and/or samarium promoted polymetallic oxide catalyst |
04/13/2005 | CN1196464C Novel coloring agent for use in oxidative hair dyeing |
04/12/2005 | US6878828 Coupling cysteine with benzonitrile, then esterifying, alkylating, hydrolyzing and reacting with acids to form 2-methylcysteine |
04/07/2005 | US20050075501 Enantioselective electrophilic fluorinating agent; high yield and selectivity excess |
04/07/2005 | US20050072963 Liquid crystal compounds |
04/06/2005 | EP1520852A2 Ammoxidation of a mixture of ketones to acetonitrile and hydrogen cyanide |
04/06/2005 | EP1520851A1 Method of producing aliphatic nitriles |
04/06/2005 | EP1278720B1 1,4-diaryl-2-fluoro-4-cyano-2-butenes, process for their preparation and intermediates useful therefor |
04/06/2005 | EP1089818B1 Catalyst comprising a complex of a metal of group viii and a phosphinite ligand, and a method for hydroformylation |
04/06/2005 | EP1009735B1 Method for producing a 1-(3-cyclopentenyloxy- 4-alkoxyphenyl)-4- oxocyclohexanecarbonitrile |
04/06/2005 | EP1001928B1 Improved hydrocyanation process |
04/06/2005 | CN1195580C Dispenser for oxygen injection into fluid bed reactor |
04/05/2005 | US6875883 Forming a phenyl-thiazoles chemical intermediates for making antioxidants, ferrielectric liquid crystal dopant, picornaviral viricides, antiinflammatory agents, anti-asthma agents, and fibringoen antagonists |
04/05/2005 | US6875882 Ferroelectric liquid crystals, antihistamines, antiinflammatory agents, viricides |
03/31/2005 | WO2005028418A1 Process for producing hexamethylenediamine and aminocapronitrile from adiponitrile, wherein the hexamethylenediamine contains less than 200 ppm tetrahydroazepine |
03/31/2005 | WO2005028410A1 Method for producing nitrile compound, carboxylic acid compound or carboxylate compound |
03/31/2005 | US20050070736 Method for preparing a catalyst for partial oxidation of acrolene |
03/31/2005 | CA2538726A1 Process for producing hexamethylenediamine and aminocapronitrile from adiponitrile, wherein the hexamethylenediamine contains less than 200 ppm tetrahydroazepine |
03/30/2005 | EP1518853A1 Method for producing alkyl and/or cycloalkyl-substituted cyclic nitrile |
03/30/2005 | EP1517884A1 A process for the preparation of 3-cyano-1-naphthoic acid and some analogues thereof |
03/30/2005 | EP1517877A1 Preparation of chiral amino-nitriles |
03/30/2005 | EP1517876A1 Method for producing substituted organic compounds and use of catalysts for substitution reactions |
03/30/2005 | EP1000022B1 Hydrocyanation processes and multidentate phosphite ligand and nickel catalyst compositions therefor |
03/30/2005 | CN1602296A Amidoacetonitrile derivatives |
03/30/2005 | CN1600423A Method for preparing fluid bed catalyst in use for ammoxidation reaction of olefin |
03/30/2005 | CN1600422A Fluid bed catalyst in use for oxidizing reaction of olefin ammonia |
03/30/2005 | CN1194815C Method for regenerating hydrogenation catalyst, method for hydrogenating compounds comprising nitrile functions |
03/24/2005 | WO2005026107A1 Novel process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate |
03/24/2005 | WO2005026106A1 Process of hydrocyanation of unsaturated carboxylic acid derivatives |
03/24/2005 | WO2005026105A2 Process for the synthesis of 3-(3-fluoro-4-hydroxyphenyl)-7-hydroxynaphthonitrile |
03/24/2005 | WO2003048097A8 Oxidation process in fluidised bed reactor |
03/24/2005 | US20050065362 removing tert-Butyl diphenyl silyl group of 6-cyano-5-(tert-butyldiphenylsilyloxy)-3-oxohexanoate by hydrolysis to form chemical intermediate for the preparation of atorvastatin |
03/24/2005 | US20050065349 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems |
03/24/2005 | CA2536768A1 Process for the synthesis of 3-(3-fluoro-4-hydroxyphenyl)-7-hydroxynaphthonitrile |
03/23/2005 | EP1515946A2 Method for the preparation of halogenated benzonitriles |
03/23/2005 | EP1515926A2 Fluorobenzamides suitable for the treatment of alzheimer's disease or senile dementia |
03/23/2005 | CN1599716A Aminoacetonitrile derivatives and their use for controlling parasites |
03/23/2005 | CN1597675A Process for preparing acids via alpha-chloroepoxy esters |
03/23/2005 | CN1193983C Acylacetonitriles, process for preparation thereof and miticides containing the same |
03/22/2005 | US6869652 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof |
03/17/2005 | US20050059836 Cyanation reaction of aliphatic carboxylic acid, aliphatic dicarboxylic acid or alkyl ester with ammonia in the presence of titanium oxide catalyst on silica support prepared by treating silica gel or silica sol with titanium oxysulfatehydrogenation to alkylamine; catalysis |
03/17/2005 | US20050059822 Hydrogenation using hydrogenation catalyst; distillation |
03/17/2005 | US20050059737 Such as 3-pentenoic acid or fatty acid glycerides, using as catalyst a group 8 metal compound with a bis-phosphite ligand to form cyanoalkylcarboxylic acids or glycerides thereof; preparing their corresponding amines |
03/17/2005 | US20050059736 Amidoacetonitrile derivatives |
03/16/2005 | EP1514866A1 Process for producing cyanobenzoic acid derivatives |
03/16/2005 | EP1513801A2 Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
03/16/2005 | EP1513799A1 Amidoacetonitrile compounds and their use as pesticides |
03/16/2005 | EP1395547B1 Copper-catalyzed vapor phase hydrocyanation of diolefinic compounds |
03/16/2005 | EP1341799B1 P-chirale bisphospholane ligands, their transition metal complexes |
03/16/2005 | EP1225978B1 Hydroformylation of unsaturated compounds using polymeric phosphite ligands |
03/16/2005 | EP1115699B1 Pesticidal bis-oxime compounds |