Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
08/2001
08/29/2001CN1310701A Improved method for simultaneous production of 6-aminocaponitrile and hexamethylenediamine
08/29/2001CN1310173A 3-cyano-2,4-dichloro-5-fluoro acetophenone and its preparation
08/29/2001CN1070178C Condensation process of hydrocyanic acid and aldehyde
08/29/2001CN1070172C Process for producing unsaturated nitriles
08/28/2001US6281378 Vanadium-containing catalysts, process for manufacturing and use of the same
08/23/2001US20010016665 Condensing isovaleraldehyde with methyldiester compound to form an intermediate, reacting the product with cyanide souce to form cyanide derivative of diesters, decarboxylation and then hydrolysis with a metal hydroxide and hydrogenation
08/22/2001EP1125920A1 Method for separation of isomers of azo compounds
08/22/2001EP1124793A1 Improved alpha-chloronitrile production method
08/22/2001EP0925106B1 Method for filtering a three-phased reaction mixture
08/22/2001CN1069896C Process for preparing 1,4-diamino-2,3-dicyanoanthraquinone
08/21/2001US6278023 Hydrogenation of aliphatic alpha, omega-dinitriles in presence of catalyst comprising iron or iron compound, promoter selected from aluminum, silicon, zirconium, titanium and vanadium, compound of alkali or alkaline earth metal
08/16/2001WO2001058857A1 Method for producing alkoxy malonic acid dinitriles
08/16/2001WO2001058836A1 Process for producing aryl ether
08/16/2001WO2001058589A1 PHOSPHOR, ARSENIC AND ANTIMONY COMPOUNDS BASED UPON DIARYL-ANELLATED BICYCLO`2.2.N! PARENT SUBSTANCES AND CATALYSTS CONTAINING SAME
08/16/2001WO2000055124A3 Novel compounds and compositions as protease inhibitors
08/16/2001US20010014697 Process for the preparation of 2-methoxyethoxy-benzenes and novel 2-methoxyethoxy-benzyl cyanides
08/16/2001US20010014647 Hydrocyanation of butadiene to adiponitrile
08/16/2001EP1123913A2 Process for preparing 2-methoxyethoxybenzenes and new 2-methoxyethoxybenzyl cyanides
08/16/2001EP1123273A1 Azo-type compound granules
08/16/2001EP0770050B1 Aromatic ether acylation process
08/16/2001DE10005794A1 Verbindungen des Phosphors, Arsens und des Antimons Compounds of phosphorus, arsenic and antimony,
08/16/2001DE10005570A1 Verfahren zur Herstellung von 2-Methoxyethoxy-benzolen und neue 2-Methoxyethoxy-benzylcyanide A process for the preparation of 2-methoxyethoxy-benzenes and new 2-methoxyethoxy-benzyl cyanides
08/16/2001CA2399431A1 Phosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo [2.2.n] parent substances and catalysts containing same
08/15/2001CN1308054A (3S,4S) and (3R,4R)-beta-methyl-gamma-hydroxy-alkyl nitrile and its preparation and use
08/15/2001CN1069634C Preparation process of 2,6-dichloro benzonitrile
08/15/2001CA2336767A1 Method for separation of isomers of azo compounds
08/09/2001WO2001056951A1 Alumina composition, method for preparation thereof and use thereof
08/09/2001WO2001056538A1 Novel coupler for use in oxidative hair dyeing
08/08/2001EP1121344A2 Chemical processes
08/08/2001CN1069310C Process for hydroganation in the presence of zero-valent nickel, bidentate phosphorous compound and leuis acid
08/07/2001US6271410 Higher alkyl esters of cyanoacetic acid
08/02/2001WO2001055094A1 Monohydrate of cis-lithium-cyano-4-[3-(cyclopentyloxy)-4-methoxyphenyl]cyclohexanecarboxylate
08/02/2001WO2001055090A1 Asymmetric synthesis of pregabalin
08/02/2001DE10061211A1 Verfahren zur Herstellung substituierter Malondialdehyd-Acetale Process for preparing substituted malondialdehyde acetals
08/02/2001CA2397758A1 Monohydrate of cis-lithium-cyano-4-[3-(cyclopentyloxy)-4-methoxyphenyl]cyclohexanecarboxylate
08/01/2001EP1120404A2 Preparation of hydroxypropionitrile
08/01/2001EP1119551A1 Naphthalenecarboxamides as tachykinin receptor antagonists
08/01/2001CN1306537A Furylphosphines and organometallic complexes contg. them
08/01/2001CN1306514A Separatiung azepine derivative from mixture contg. amine and azepine derivative
08/01/2001CN1306458A Catalyst comprising complex of metal of subgroup viii Based on phosphinite ligand, and method for hydrogormylation
08/01/2001CN1305994A Tert-butyl (3R, 5R)-3,5-dihydroxy-7-N-phthaloylimino heptanonate and its synthesis and application
08/01/2001CN1305988A Process for preparing p-nitrophenyl acetonitrile by directional nitrification
07/2001
07/31/2001US6268513 Phosphine ligands metal complexes and compositions thereof for cross-coupling reactions
07/25/2001EP1117637A1 Method of quenching gaseous acrylonitrile and hydrogen cyanide product stream
07/25/2001EP0966445B1 Processes for preparing pesticidal intermediates
07/25/2001EP0937022B1 Process to prepare a linear aldehyde
07/25/2001EP0892778B1 Method of simultaneously producing 6-aminocapronitrile and hexamethylenediamine
07/25/2001CN1305455A New process
07/25/2001CN1305392A Process for recovery of olefinically unsaturated nitriles
07/25/2001CN1304796A Process for preparing O(P)-methylbenzonitrile catalyst
07/25/2001CN1068871C 2-aryl-2-alkyl-W-alkylaminoalkane nitrile recemate separation process
07/25/2001CN1068870C Nitrile stabilization
07/25/2001CN1068869C 4-cyano-2,5-difluoraniline preparation process
07/25/2001CN1068868C Process for preparation and separation of cyclopropanecarbonitrile
07/25/2001CA2332155A1 Manufacture of 3-hydroxypropionitrile
07/24/2001US6265627 Heating halogen-containing aromatic compounds with an alkali metal fluoride in presence of n,n'n?-hexa-substituted guanidinium halide as catalyst to produce polyfluoroaromatic compound
07/24/2001US6265602 Method for hydrogenating aliphatic alpha-, omega-dinitriles
07/24/2001US6265601 Methods for using phosphine ligands in compositions for suzuki cross-coupling reactions
07/24/2001US6265600 Activated propenes as color couplers method for the production thereof
07/19/2001WO2001051455A1 Process and intermediates for preparing a cyclohexylnitrile
07/19/2001CA2397296A1 Process and intermediates for preparing a cyclohexylnitrile
07/18/2001EP1116720A1 Processes for the preparation of isochromanones and intermediates for the preparation thereof
07/18/2001EP1115699A1 Pesticidal bis-oxime compounds
07/18/2001EP1115679A1 Method for producing olefins
07/18/2001EP0815073B1 Process for hydrocyanation in the presence of zero-valent nickel, a bidentate phosphorous compound and a lewis acid
07/18/2001EP0807119B1 Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts
07/18/2001CN1304334A Catalyst comprising complex in metal from subgroup VIII based on bidentate phosphonite ligand, and method for producing nitriles
07/17/2001US6262292 Forming cyanaobenzaldehyde by oxidation of cyanobenzylamine
07/17/2001US6262290 Amelioration of ammonia breakthrough in an alkane ammoxidation process
07/12/2001WO2001049655A1 Method for the hydrocyanation of unsaturated organic compounds
07/11/2001EP1114119A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines
07/11/2001EP1113873A1 Ceramic catalyst for selectively decomposing n 2?o and a method for the production thereof
07/11/2001CN1302796A Process for preparing acrylonitrile or methyl acrylonitrile by ammoxidizing propylene or isobutylene
07/11/2001CN1302690A Fluidized-bed catalyst for ammoxidation of propylene or isobutylene
07/11/2001CN1068307C Catalyzed vapor phase hydrocyanation of diolefinic compounds
07/10/2001US6258973 Processes for preparing pesticidal intermediates
07/10/2001US6258966 Chelate compounds containing organometallic compounds
07/10/2001US6258745 Aminonitrile production
07/05/2001WO2001047856A1 Process for the recovery and recycle of d-tartaric acid
07/05/2001US20010007039 By ammoxidation; vapor phase catalysis in presence of fluid catalyst containing vanadium oxide, molybdenum oxide, and/or iron oxide; controlling water concentration of a gas feed; recovering ammonia by distillation
07/05/2001US20010006614 Process for recovery and recycle of ammonia from an acrylonitrile reactor effluent stream using an ammonium phosphate quench system
07/04/2001EP1113001A2 Process for producing nitrile compounds
07/04/2001EP1112259A1 Process for the synthesis of n-benzyl-3-(4-fluorophenyl)-1,4-oxazin-2-one
07/04/2001CN1302291A Method for purifying aliphatic aminonitriles
07/04/2001CN1302227A Method for producing oxide catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane
07/03/2001US6255521 Method for producing aliphatic alpha, omega-amino nitriles
06/2001
06/28/2001DE19960204A1 Substituierte Norlbornylamino-Derivate, Verfahren zu ihrer Herstellung, ihre Verwendung als Medikament oder Diagnostikum sowie sie enthaltendes Medikament Norlbornylamino substituted derivatives, processes for their preparation, their use as a medicament or diagnostic, and they drug-containing
06/27/2001CN1301251A Recovery of organics from process flare header
06/27/2001CN1301250A Method for preparing aminonitrile and diamine
06/27/2001CN1067679C Method for partially hydrogenating dinitriles to aminonitriles
06/26/2001US6252121 Metal-ligand complex catalyzed processes
06/26/2001US6252115 Method for separating an imine from a mixture containing an amine and an imine
06/26/2001US6252088 Coupling a nitrile containin naphthalene compound with a compound containing propionic acid group
06/21/2001WO2001044171A1 Process for producing salt of cyanobenzylamine or derivative
06/21/2001WO2001044164A1 Substituted norbornylamino derivatives, method for the production thereof, use thereof as a medicament or a diagnostic reagent and medicaments containing said compounds
06/21/2001WO2001000608A8 Process for the synthesis of n-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulfonyl)-2-hydroxy-2-methylpropionamide
06/21/2001CA2394130A1 Substituted norbornylamino derivatives, method for the production thereof, use thereof as a medicament or a diagnostic reagent and medicaments containing said compounds
06/20/2001EP1108706A1 Catalytic synthesis of aldehydes by direct hydrogenation of carboxylic acids
06/20/2001EP1107948A1 An improved synthesis of 3-hydroxy-4-amino-benzonitrile
06/20/2001EP1107947A2 Method for producing cyanovaleric acid or esters thereof
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