Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
12/2001
12/26/2001CN1328540A Method of quenching gaseous acrylonitrile and hydrogen cyanide product stream
12/26/2001CN1327881A Catalyst precursor composition
12/25/2001US6333441 Preparation of cis—olefins
12/25/2001US6333430 Process for preparing tert-alkyl ester from carboxylic acid
12/25/2001CA2061875C Purification of 6-aminocapronitrile
12/20/2001WO2001096285A1 Beta-amino acid nitrile derivatives
12/20/2001WO2001096284A1 Method for separating a hydroxybenzonitrile-type compound
12/20/2001WO2001096016A1 Catalyst for vapor-phase catalytic oxidation or vapor-phase catalytic ammoxidation of propane or isobutane
12/20/2001WO2001039787A3 Glyoxyl acid amides, method for producing them and their use for controlling harmful organisms
12/20/2001US20010053862 Process for preparing arylpiperidine carbinol intermediates and derivatives
12/20/2001DE10029187A1 Simplified low-energy separation of high-purity 6-aminocapronitrile from its mixtures with adiponitrile and hexamethylenediamine by a three-step distillative method
12/19/2001EP1164126A1 Salicylic acid hydrazide derivatives, process and intermediates for their preparation, agents containing them and their use for combatting damaging fungi
12/19/2001EP1163954A2 Process and apparatus for fluid bed reactions
12/19/2001EP1163953A2 Apparatus and process for oxidation reactions
12/19/2001EP1163208A2 Caspase inhibitors and uses thereof
12/19/2001EP1163051A1 Catalyst comprising a metal complex of the viii subgroup based on a phosphine amidite ligand and its utilization for hydroformylation and hydrocyanation
12/19/2001EP0711270B1 Polymers comprising 4-substituted cyclohexane units
12/19/2001CN1076342C Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
12/19/2001CN1076341C Selective nitration o phenol derivatives
12/18/2001US6331628 Reacting a substituted halobenzene with potassium, sodium and/or zinc cyanide in the presence of a metallic catalyst
12/14/2001CA2349807A1 Apparatus and process for oxidation reactions
12/13/2001WO2001094278A1 Chiral monophosphites as ligands for asymetrical synthesis
12/13/2001WO2001042198A3 Methods for producing cyanobenzoic acid derivatives
12/13/2001WO2001036380A3 Transesterification method for making cyanoacrylates
12/13/2001US20010051747 Diastereomer complex of at least three compounds, at least one is a resolving agent in optically active form, and at least one is an enantiomer in optically active form; rapid separation
12/13/2001DE10027505A1 Asymmetric hydrogenation, hydrosilylation, hydroboration, hydroformylation and hydrocyanation of prochiral olefins, ketones and ketimines uses transition metal catalysts containing chiral monophosphite as ligand
12/12/2001EP1161415A2 N-cyanomethylamides as protease inhibitors
12/12/2001EP0931059B1 Method for preparing a cyanobiphenyl
12/12/2001EP0830338B1 Method of making 3-(aminomethyl)-5-methylhexanoic acid
12/06/2001US20010049453 Reacting a cyanobenzylamine with an acid selected from hydrochloric acid, sulfuric acid, acetic acid, trifluroacetic acid and propionic acid to form a salt having high bulk density
12/06/2001DE10025623A1 Immobilisierte Palladiumkomplexe Immobilized Palladium Complexes
12/05/2001EP1159260A1 Novel compounds and compositions as protease inhibitors
12/05/2001EP0927157B1 Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine
12/05/2001EP0925276B1 Process for the manufacture of aliphatic alpha, omega amino nitriles
12/05/2001EP0839150B1 Process for the preparation of ruthenium hydrogenation catalysts and products thereof
12/05/2001CN1325321A Raney iron catalyst and process for hydrogenating organic compounds using said catalyst
12/05/2001CN1325320A Ranney cobalt catalyst and process for hydrogenation of organic compounds using said catalyst
12/05/2001CN1324791A Preparation for 3-hydroxyl-propionitrile
12/05/2001CN1324763A Method for recovering and recirculating amonium from outflow from reactor
12/04/2001US6326508 Adding water; distillation
11/2001
11/29/2001WO2001090107A1 Ammonium compounds bearing an electrophilic fluorine, reagent containing same, method using same and synthesis method for obtaining them
11/29/2001WO2001090050A1 Method for making unsaturated nitriles
11/29/2001US20010047104 Partial hydrogenation of a dinitrile by contacting with a hydrogen-containing fluid in an ammonium hydroxide solvent, a hydrogenation catalyst and additive tetraalkylammonium or phosphonium hydroxide; catalyst selectivity; efficiency
11/28/2001EP1157995A2 Immobilised palladium complexes
11/28/2001EP1157969A2 Process for recovery and recycle of ammonia from a reactor effluent stream
11/28/2001EP0888261B1 Process for preparing nitrobiphenylene
11/28/2001CN1075492C Process for preparing aliphatic alpha, omega-aminonitriles
11/28/2001CN1075481C Process for refining high-purity reagent by raction extractive reactification
11/27/2001US6323366 Arylamine synthesis
11/22/2001WO2001087827A1 Preparation of iminodiacetic acid compounds from monoethanolamine substrates
11/22/2001WO2001019761A3 Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems
11/22/2001US20010044556 Carbon monoxide reacted with alcohol in presence of catalyst system comprising palladium cations, bidentate diphosphine, and anions derived from sulfonic acid, in apriotic solvent (anisole)
11/22/2001CA2408839A1 Preparation of iminodiacetic acid compounds from monoethanolamine substrates
11/21/2001EP1155741A1 Process for making highly active and selective catalysts for the production of unsaturated nitriles
11/21/2001EP0931057B1 Method for preparing 4-methyl-biphenyl derivatives
11/21/2001EP0714697B1 Ammoxidation catalyst composition
11/21/2001CN1075057C Process for producing 1-aryl-1-cyanocyclobutane derivatives
11/20/2001US6320067 Process for producing nitrile
11/15/2001DE10021900A1 New 2-aroyl-3-amino-alkenonitrile, amide and thioamide derivatives, useful as herbicides and pesticides, e.g. insecticides, acaricides, nematocides, ectoparasiticides or fungicides
11/14/2001EP1153011A1 Bis-styrylbiphenyl compounds
11/14/2001CN1322196A Naphthalenecaarboxamides as tachykinin receptor antagonists
11/14/2001CN1321636A Process for preparing homophenylalanin derivs
11/13/2001US6316667 Decyclization of 3-hydroxy-4-butyrolactone to alkyl 4-halogen-3-hydroxybutyrate by reaction with alcohol; cyanation, amidation, cyclization to oxazolidone; hydrolysis, methylation, quaternization
11/08/2001WO2001083428A1 1,4-diaryl-2-fluoro-4-cyano-2-butenes, process for their preparation and intermediates useful therefor
11/08/2001WO2001083405A1 Process for the catalytic oxidation of hydrocarbons
11/08/2001WO2001083097A2 Metathesis of functionalized allylic olefins
11/07/2001EP1151989A1 Process for producing salt of cyanobenzylamine or derivative
11/07/2001EP1150945A1 Arsenic promoted vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation
11/07/2001EP0847383B1 Multi-component liquid azodinitrile mixtures
11/06/2001US6313337 Method of making benzoyl halides and nitriles
11/01/2001WO2001081274A1 Process for producing substituted aromatic compound
11/01/2001US20010037042 Using monophosphine palladium complex catalyst
10/2001
10/31/2001EP1149068A1 A process for preparing (r)-4-cyano-3-hydroxybutyric acid ester
10/31/2001EP0859758B1 Nitrile stabilization
10/31/2001EP0797568B1 Method for partially hydrogenating dinitriles to aminonitriles
10/31/2001CN1073987C Preparation of alpha-3,4,5-trimethylbenzene. methylene-beta-methoxypropionitrile
10/30/2001US6310206 Method for the production of N-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products
10/25/2001WO2001079148A2 Method of making benzoyl halides and nitriles
10/25/2001WO2001041924A3 Oxidative reactions using membranes that selectively conduct oxygen
10/25/2001US20010034457 Comprises reacting iminodiacetonitrile with aldehydes and hydrogen cyanide or alkali metal cyanides; useful as biodegradable complexing agents for alkali metal and heavy metal ions
10/24/2001CN1318430A Catalyst for ammonoxidation process to prepare anisyl nitrile and its preparation and use
10/24/2001CN1073555C Process for producing optically active cyanohydrins
10/24/2001CN1073553C Process for producing N-arylhydroxylamines and N-hetarylhydroxylamines
10/23/2001US6307107 Hydroformylation of acyclic monoethylenically unsaturated compounds to corresponding terminal aldehydes
10/23/2001US6307089 Biphenyl butyric acids and their derivatives as inhibitors of matrix metalloproteinases
10/23/2001US6307087 Ligands for metals and improved metal-catalyzed processes based thereon
10/23/2001US6307086 Preparation of long-chain substituted nitrilotriacetonitriles from iminodiacetonitrile, long-chain aldehyde and hcn or alkali metal cyanide or from an alpha-amino long-chain nitrile, formaldehyde and hcn or alkali metal cyanide
10/18/2001WO2001077065A1 Aminostyrylanthracene compounds, intermediates for the preparation thereof, and processes for the preparation of both
10/18/2001WO2001027120A3 Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
10/18/2001US20010031892 Stereoselective synthesis starting from (S)-3-hydroxy-4-butyrolactone
10/18/2001US20010031784 Antidepressants; simplification
10/18/2001DE10108042A1 Crystalline citalopram base and salts with high purity useful for treatment of depression
10/17/2001EP1144367A1 Alpha-substitution of unprotected beta-amino ester compounds
10/17/2001EP1144112A1 Method for making a hydrocyanation catalyst
10/17/2001EP0842183B1 Catalyst for cross-coupling reactions
10/17/2001EP0640065B1 Trisubstituted phenyl derivatives as phosphodiesterase inhibitors and processes for their preparation
10/17/2001CN1317483A 2-cyano-3-substituted phenylacrylate compounds, compositions and their preparing prcess and application as disinfectant of agricultural crops
10/17/2001CN1072980C Bidentate phosphite and nickel catalyst compsns. for hydrocyanation of monoolefins
10/16/2001US6303782 Process for preparing benzylnitriles
10/11/2001US20010029305 Reacting the corresponding unsaturated cyclopentenone compound with hydrogen cyanide
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