Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
06/2001
06/20/2001EP1107943A1 Process for making 2-amino-5-cyanophenol
06/20/2001EP1107941A1 Improved method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine
06/20/2001EP0938469B1 Process for purifying acrylonitrile
06/20/2001EP0817788B1 Catalyst and process for preparing amides
06/20/2001CN1300284A Method for producing isoxazoline-3-yl-acyl benzene
06/20/2001CN1299819A (R)-2[3-(2-N-phthalic amido ethyl)-4,5-dihydro-5-isoxazolyl]-acetic acid and its synthesis
06/19/2001US6248918 Bis(dihydrocarbylphosphinoylalkyl)-1,1'-binaphthol) and rare earth or group 3a metal salts
06/19/2001US6248917 Passing 2-hydroxybenzamide in the gas phase over a heterogeneous catalyst thereby effecting dehydration of the 2-hydroxybenzamide to produce 2-hydroxybenzonitrile.
06/19/2001CA2239102C Method for preparing ammoxidation catalysts for a fluidised-bed or moving-bed reactor
06/19/2001CA2208249C Method for partially hydrogenating dinitriles to aminonitriles
06/14/2001WO2001042368A1 Substituted phthalocyanines and their precursors
06/14/2001WO2001042198A2 Methods for producing cyanobenzoic acid derivatives
06/14/2001WO2001042197A1 Method for preparing a polyaromatic compound
06/14/2001WO2001042173A2 Method for the preparation of enantiomerically enriched compounds
06/14/2001WO2001041924A2 Oxidative reactions using membranes that selectively conduct oxygen
06/14/2001CA2410596A1 Methods for producing 3-cyano-and 4-cyano-benzoic acid derivative compounds
06/14/2001CA2394891A1 Substituted phthalocyanines and their precursors
06/13/2001EP1105359A1 Solid phase synthesis of compounds by carbon-carbon bond forming mitsunobu reactions
06/13/2001EP0888288B1 Fungicidally active carboxylic acid amides
06/13/2001EP0854858B1 Ethylenically unsaturated organic compound hydrocyanation method
06/13/2001DE19959873A1 Oxidationsreaktionen unter Verwendung von gemischtleitenden sauerstoffselektiven Membranen Oxidation reactions using oxygen-selective mixed conducting membranes
06/12/2001US6245933 Condensing a cyanoacetate with paraformaldehyde or formaldehyde, reacting the polymer formed with an alcohol, and depolymerizing the polymer to form alpha-cyanoacrylate monomers
06/12/2001US6245932 Reacting acrylonitrile and a diamine in the presence of water as a catalyst
06/12/2001US6245931 Process for producing acrylonitrile or methacrylonitrile
06/07/2001WO2001039787A2 Glyoxyl acid amides, method for producing them and their use for controlling harmful organisms
06/07/2001DE19958165A1 Glyoxylsäureamide Glyoxylamides
06/06/2001EP1104750A1 Processes for the preparation of 5-hydroxy-3-oxopentanoic acid derivatives
06/06/2001CN1298384A Improved process for the manufacture of N-(1-cyanoalkyl)-2-phenoxypropionamide derivatives
06/05/2001US6242633 Catalyst comprising at least one phosphonite ligand based nickel (O) complex and method for the production of nitriles
06/05/2001CA2101525C Inhibiting popcorn polymer formation with sulfur-containing compounds
05/2001
05/30/2001EP1102744A1 Novel method for preparing optically active alpha-aminonitriles
05/30/2001CN2432211Y Acrylonitrile quench tower
05/30/2001CN1297429A Processes for preparing pesticidal intermediates
05/30/2001CN1296944A Process for producing malononitrile
05/30/2001CN1066435C Process for preparing halogenated methyl benzoyl cyanides
05/29/2001US6239307 Process for preparing cyanoacetic esters
05/29/2001US6239288 Biphenyl hydroxy imino butyric acids and their derivatives for treating arthritis
05/25/2001WO2001036429A1 Phosphites
05/25/2001WO2001036380A2 Transesterification method for making cyanoacrylates
05/25/2001WO2001036095A1 Polymer-supported lewis acid catalyst
05/25/2001CA2389608A1 Nickel complexes of asymmetrical phosphites, their preparation and theiruse as catalyst
05/23/2001EP1100774A1 Improved arylamine synthesis
05/23/2001EP1100768A2 Process for the preparation of r-(-)-carnitine
05/23/2001CN1296473A Convergent synthesis of alpha-aryl-beta-ketonitriles
05/22/2001US6235938 Transition metal-catalyzed process for preparing N-aryl amine compounds
05/22/2001US6235927 Process for the separation of a mixture of enantiomers
05/16/2001EP1098869A1 Improved method for simultaneous production of 6-aminocapronitrile and hexamethylenediamine
05/16/2001CN1295063A Propylene ammonoxidizing fluid bed catalyst
05/15/2001US6232488 Method for hydrogenating dinitriles
05/10/2001DE19953058A1 Phosphite Phosphites
05/09/2001EP1097158A2 Ligands for metals and metal-catalyzed processes
05/08/2001US6229052 Utilizing supported diols and chelating bis(phosphorus) ligands covalently bonded to a support (crosslinked polystyrene resin)
05/08/2001US6229040 Using free radical catalysts
05/08/2001CA2016620C Process for the preparation of 3,5,6-trichloropyridin-2-ol
05/03/2001WO2001030746A1 Method for preparing a hydroxybenzonitrile
05/03/2001WO2001030493A1 Catalysts for the ammoxidation of alkanes
05/03/2001WO2000064861A3 Method of producing acetone-cyanhydrin
05/02/2001EP1095006A1 Derivatives of 1-oxyl-4-hydroxy-or 4-amino-2,2,6,6-tetramethylpiperidine as polymerization inhibitors for (meth) acrylate monomers
05/02/2001CN1293657A Aminonitrile production
05/01/2001US6225491 Pharmaceutical intermediates
05/01/2001CA2054821C Process for the production of 3-aminocrotononitrile
04/2001
04/26/2001WO2001028986A1 Method for producing acrylonitrile, catalyst for use therein and the method for preparing the same
04/26/2001WO2001028985A1 Method for producing acrylonitrile, catalyst for use therein and the method for preparing the same
04/26/2001WO2001028983A1 Method for the production of cyanoacetic acid esters
04/26/2001WO2000055125A3 N-cyanomethyl amides as protease inhibitors
04/26/2001US20010000513 Treatment of multiple sclerosis, atherosclerotic plaque rupture, aortic aneurism, heart failure, restenosis, periodontal disease, corneal ulceration, treatment of burns, decubital ulcers, wound healing, cancer, inflammation
04/25/2001WO2000012044A2 Method for the preparation of citalopram
04/25/2001EP1093389A1 Process for recovery of olefinically unsaturated nitriles
04/25/2001EP0915827B1 Process for producing amines and amino nitriles
04/25/2001EP0876210B1 Method for preparing ammoxidation catalysts for a fluidised-bed or moving-bed reactor
04/25/2001CN1292778A Method for producing aliphatic alpha-, omega-diamines
04/25/2001CN1292777A Method for hydrogenating aliphatic, alpha-, omega-dinitriles
04/25/2001CN1292776A Iron-based catalyst for hydrogenating alpha-, omega-dinitriles
04/25/2001CN1292728A Catalyst comprising complex of metal of subgroup VIII, on basis of phosphonite ligand and method for hydroformylation
04/24/2001US6222064 Fluorination with aminosulfur trifluorides
04/24/2001US6222059 Process for the manufacture of aliphatic alpha, omega amino nitriles
04/24/2001US6222058 Process for the manufacture of cyclopropanecarbonitrile
04/24/2001US6222052 Process for preparing optically active 2-amino-ω-oxoalkanoic acid derivatives
04/19/2001WO2001027120A2 Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
04/19/2001WO2001027075A1 Process for the production of acrylonitrile using direct contact spray heat exchange in the absorber
04/18/2001EP1091804A1 Catalyst comprising a complex of a metal from subgroup viii based on a bidentate phosphonite ligand, and method for producing nitriles
04/18/2001EP0861225B1 Hydroformylation process
04/17/2001US6218564 A chloroaromatic compound and an alkyl-, alkenyl- or aryl-boronic acid ester or anhydride are coupled in the presence of palladium and a lipophilic aliphatic phosphine
04/11/2001EP1090923A1 Process for the preparation of ruthenium hydrogenation catalysts and products thereof
04/11/2001EP1090911A2 Bis(aminostyryl) anthracene compound, synthesis intermediate thereof, and process for production thereof
04/11/2001EP1090905A1 Process for the preparation of ruthenium hydrogenation catalysts and products thereof
04/11/2001EP1089818A1 Catalyst comprising a complex of a metal of subgroup viii based on a phosphinite ligand, and a method for hydroformylation
04/11/2001EP0929513B1 Process for simultaneously preparing 6-aminocapronitrile and hexamethylene diamine
04/10/2001US6214999 A brominating agent is reacted in a 2 phase medium, under effect photo-irradiation with biphenyl derivative
04/07/2001CA2285578A1 Rhodium-catalyzed addition of alkenyl- and aryltrifluoroborates to aldehydes and enones
04/04/2001EP1087936A1 Recovery of organics from process flare header
04/04/2001EP0721441B1 Halogenation reactions
04/04/2001CN1064037C Stilbene-based materials and their preparation
04/03/2001US6211399 Pressurized chlorination and bromination of aromatic compounds
04/03/2001US6211397 Chlorination of phosphoranes
03/2001
03/29/2001WO2001021627A1 Hydroformylation using multidentate phosphite ligands
03/29/2001WO2001021581A1 Process for the partial hydrogenation of a nitrile compound containing two or more nitrile groups
03/29/2001WO2001021580A1 Multidentate phosphite ligands, catalytic compositions containing such ligands and catalytic processes utilizing such catalytic compositions
03/29/2001WO2001021579A1 Multidentate phosphite ligands, catalytic compositions containing such ligands and catalytic processes utilizing such catalytic compositions
03/29/2001WO2001021567A2 Hydroformylation process utilizing multidentate phosphite ligands
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