Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
05/2005
05/11/2005EP1529032A1 Processes for the preparation of 4- 4- 4-(2 -cyanoethenyl)-2,6-dimethylphenyl )amino) -2-pyrimidinyl)amino benzonitrile
05/10/2005US6891059 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
05/10/2005CA2354773C Cyanoethylation of cycloaliphatic vicinal primary diamines
05/06/2005WO2005040097A1 Resolution of 3-amino alkylnitriles
05/06/2005WO2005039766A1 The use of ir, near ir, visable and uv radiation for the preparation of catalysts
05/06/2005WO2005039764A1 Method for the preparation and use of activated granulates of base metals
05/06/2005WO2004105929A3 Phase transfer catalysis scrubber
05/06/2005WO2004031107A8 Method for the production of at least one partial propylene oxidation and/or ammoxidation product
05/06/2005CA2543606A1 Resolution of 3-amino alkylnitriles
05/05/2005US20050096472 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
05/05/2005US20050096471 Process for producing biaryl compound
05/04/2005EP1528054A1 Hydrocyanation of pentenenitriles and/or 2-methyl-3-butenenitrile using promoters obtained from the chlorination of titanium-rich ores
05/04/2005EP1527042A2 Method for producing aminoalkoxy benzylamines and aminoalkoxy benzonitriles as intermediates
05/04/2005CN1612887A Phosphino-aminophosphines
05/04/2005CN1612858A Process for preparing succinonitrile
05/04/2005CN1199941C Method for preparing 2,6-difluorobenzonitrile by using 2,6-dichlorobenzonitrile fluoro
05/04/2005CN1199940C Acrylonitrile quench tower
05/03/2005US6888032 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
05/03/2005US6887871 Use of phenylheteroakylamine derivatives
05/03/2005US6887825 Method for the preparation of vanadium-antimony-oxide based oxidation and ammoxidation catalysts using non-aqueous media
04/2005
04/28/2005WO2004035528A8 Method for the production of a multi-metal oxide material
04/28/2005US20050090681 Hydrocyanation of pentenenitriles and/or 2-methyl-3-butenenitrile using promoters obtained from the chlorination of titanium-rich ores
04/28/2005US20050090678 Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles
04/28/2005US20050090677 Phosphinites
04/27/2005CN1609099A Fenvalerate preparing process
04/27/2005CN1198791C Process for preparing 4-hydroxyanilines
04/27/2005CN1198788C Method for hydrogenating aliphatic alpha-, omega-dinitriles
04/26/2005US6884751 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
04/26/2005US6884406 Reforming catalyst
04/26/2005CA2177135C Processes and catalyst compositions for hydrocyanation of monoolefins
04/21/2005WO2005035483A1 Process for the preparation of 1-[cyano(phenyl)methyl]-cyclohexanol compounds
04/21/2005WO2004101497A3 Dinitrile preparation method
04/21/2005US20050085678 Using mixed oxide catalyst
04/21/2005US20050085657 Reacting biphenyl with cyanogen chloride in the presence of anhydrous aluminum chloride; no problematic wastes; 4-cyanobiphenyl
04/21/2005CA2539638A1 Process for the preparation of 1-[cyano(phenyl)methyl]-cyclohexanol compounds
04/20/2005EP1524268A1 Compounds and method for preparing sustituted 4-phenyl-4-cyanocyclohexanoic acids
04/20/2005CN1608049A Method for preparing benzyl cyanide compound
04/20/2005CN1607980A Catalyst comprising cyclic acylurea compounds and processes for production organic compounds with the same
04/20/2005CN1197868C Method for preparing water soluble sulphonated organophosphorous compounds
04/19/2005US6881874 Process for the catalytic oxidation of hydrocarbons
04/14/2005US20050080288 Reacting a benzonitrile compound with cyclohexanone in presenc eof basic catalyst; chemical internmediate for venlafaxine
04/14/2005US20050079988 adding a combination of percarboxylic acid, a carboxylic acid and hydrogen peroxide to a cationic nitrile bleach activator
04/13/2005EP1521738A2 Method for making nitrile compounds from ethylenically unsaturated compounds
04/13/2005EP1521737A1 Method for the recycling of a lewis acid
04/13/2005EP1521736A1 Making nitrile compounds from ethylenically unsaturated compounds
04/13/2005EP1521633A1 Method for preparing a catalyst for partial oxidation of acrolein
04/13/2005CN1606543A Alpha-cyanoacrylates
04/13/2005CN1196675C Preparation of alum antimonate catalyst using tin dioxide hydrate
04/13/2005CN1196674C Amelioration of ammonia breakthrough in alkane ammoxidation process
04/13/2005CN1196525C Iridium and/or samarium promoted polymetallic oxide catalyst
04/13/2005CN1196464C Novel coloring agent for use in oxidative hair dyeing
04/12/2005US6878828 Coupling cysteine with benzonitrile, then esterifying, alkylating, hydrolyzing and reacting with acids to form 2-methylcysteine
04/07/2005US20050075501 Enantioselective electrophilic fluorinating agent; high yield and selectivity excess
04/07/2005US20050072963 Liquid crystal compounds
04/06/2005EP1520852A2 Ammoxidation of a mixture of ketones to acetonitrile and hydrogen cyanide
04/06/2005EP1520851A1 Method of producing aliphatic nitriles
04/06/2005EP1278720B1 1,4-diaryl-2-fluoro-4-cyano-2-butenes, process for their preparation and intermediates useful therefor
04/06/2005EP1089818B1 Catalyst comprising a complex of a metal of group viii and a phosphinite ligand, and a method for hydroformylation
04/06/2005EP1009735B1 Method for producing a 1-(3-cyclopentenyloxy- 4-alkoxyphenyl)-4- oxocyclohexanecarbonitrile
04/06/2005EP1001928B1 Improved hydrocyanation process
04/06/2005CN1195580C Dispenser for oxygen injection into fluid bed reactor
04/05/2005US6875883 Forming a phenyl-thiazoles chemical intermediates for making antioxidants, ferrielectric liquid crystal dopant, picornaviral viricides, antiinflammatory agents, anti-asthma agents, and fibringoen antagonists
04/05/2005US6875882 Ferroelectric liquid crystals, antihistamines, antiinflammatory agents, viricides
03/2005
03/31/2005WO2005028418A1 Process for producing hexamethylenediamine and aminocapronitrile from adiponitrile, wherein the hexamethylenediamine contains less than 200 ppm tetrahydroazepine
03/31/2005WO2005028410A1 Method for producing nitrile compound, carboxylic acid compound or carboxylate compound
03/31/2005US20050070736 Method for preparing a catalyst for partial oxidation of acrolene
03/31/2005CA2538726A1 Process for producing hexamethylenediamine and aminocapronitrile from adiponitrile, wherein the hexamethylenediamine contains less than 200 ppm tetrahydroazepine
03/30/2005EP1518853A1 Method for producing alkyl and/or cycloalkyl-substituted cyclic nitrile
03/30/2005EP1517884A1 A process for the preparation of 3-cyano-1-naphthoic acid and some analogues thereof
03/30/2005EP1517877A1 Preparation of chiral amino-nitriles
03/30/2005EP1517876A1 Method for producing substituted organic compounds and use of catalysts for substitution reactions
03/30/2005EP1000022B1 Hydrocyanation processes and multidentate phosphite ligand and nickel catalyst compositions therefor
03/30/2005CN1602296A Amidoacetonitrile derivatives
03/30/2005CN1600423A Method for preparing fluid bed catalyst in use for ammoxidation reaction of olefin
03/30/2005CN1600422A Fluid bed catalyst in use for oxidizing reaction of olefin ammonia
03/30/2005CN1194815C Method for regenerating hydrogenation catalyst, method for hydrogenating compounds comprising nitrile functions
03/24/2005WO2005026107A1 Novel process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate
03/24/2005WO2005026106A1 Process of hydrocyanation of unsaturated carboxylic acid derivatives
03/24/2005WO2005026105A2 Process for the synthesis of 3-(3-fluoro-4-hydroxyphenyl)-7-hydroxynaphthonitrile
03/24/2005WO2003048097A8 Oxidation process in fluidised bed reactor
03/24/2005US20050065362 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
03/24/2005US20050065349 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems
03/24/2005CA2536768A1 Process for the synthesis of 3-(3-fluoro-4-hydroxyphenyl)-7-hydroxynaphthonitrile
03/23/2005EP1515946A2 Method for the preparation of halogenated benzonitriles
03/23/2005EP1515926A2 Fluorobenzamides suitable for the treatment of alzheimer's disease or senile dementia
03/23/2005CN1599716A Aminoacetonitrile derivatives and their use for controlling parasites
03/23/2005CN1597675A Process for preparing acids via alpha-chloroepoxy esters
03/23/2005CN1193983C Acylacetonitriles, process for preparation thereof and miticides containing the same
03/22/2005US6869652 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof
03/17/2005US20050059836 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
03/17/2005US20050059822 Hydrogenation using hydrogenation catalyst; distillation
03/17/2005US20050059737 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
03/17/2005US20050059736 Amidoacetonitrile derivatives
03/16/2005EP1514866A1 Process for producing cyanobenzoic acid derivatives
03/16/2005EP1513801A2 Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives
03/16/2005EP1513799A1 Amidoacetonitrile compounds and their use as pesticides
03/16/2005EP1395547B1 Copper-catalyzed vapor phase hydrocyanation of diolefinic compounds
03/16/2005EP1341799B1 P-chirale bisphospholane ligands, their transition metal complexes
03/16/2005EP1225978B1 Hydroformylation of unsaturated compounds using polymeric phosphite ligands
03/16/2005EP1115699B1 Pesticidal bis-oxime compounds
1 ... 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 ... 144