Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
04/2003
04/24/2003WO2003033141A1 Phosphonites
04/24/2003WO2003033139A1 Method for producing ammoxidation catalyst
04/24/2003WO2003032970A1 5'-carbamoyl-2'-methyl-1,1'-biphenyl-4-carboxamide derivatives and their use as p38 kinase inhibitors
04/24/2003US20030078442 Crystalline base of citalopram
04/24/2003CA2464710A1 Phosphonites, use thereof as ligand in transition metal complexes and method for production of nitriles
04/24/2003CA2462720A1 Phosphinites
04/24/2003CA2462719A1 Phosphonites
04/23/2003EP1303525A1 Production of novel phosphane ligands and use in catalytical reactions
04/23/2003EP1005447B1 Method for producing long-chain glycine-n,n-diacetic acid derivatives
04/23/2003CN1106218C Catalyst composition of mono-tooth ligand phosphite and nickel in use for mono olefines cyaniding
04/17/2003WO2003031636A1 Process for production of optically active 3-hydroxy- pentanenitrile
04/17/2003WO2003031458A1 Methods for synthesis of diarylmethanes
04/17/2003WO2003031394A1 Organic compounds
04/17/2003WO2003031393A2 Carbonyloxy-cyanomethyl compounds as antiparasitic agents
04/17/2003WO2003031392A1 Method for transforming ethylenically unsaturated compounds into nitriles and branched nitriles into linear nitriles
04/17/2003US20030073868 Non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation
04/17/2003US20030073843 Methods for preparing CETP inhibitors
04/17/2003US20030073685 Nitric oxide synthase inhibitor; antiinflammatory agents
04/17/2003CA2458446A1 Cyanoacetyl compounds
04/17/2003CA2455999A1 Carbonyloxy-cyanomethyl compounds as antiparasitic agents
04/16/2003EP1301471A2 Process for the purification and recovery of acetonitrile
04/16/2003EP1301465A2 13-substituted methacycline compounds
04/16/2003EP1301462A1 Process for making fatty acid nitriles and fatty amines by cross-metathesis of normal alpha olefins
04/16/2003EP1254881A9 Process for producing aryl ether
04/16/2003EP1023279B1 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
04/16/2003EP0998451B1 Substituted 3,3-diamino-2-propenenitriles, their preparation and use
04/16/2003CN1411455A Method for producing liquid crystals with CF20 bond
04/16/2003CN1411435A Novel use of phenyl hetero alkylamine derivatives
04/16/2003CN1105701C Method for preparing substituted benzyl bromides
04/15/2003US6548713 Process for the preparation of organic compounds with manganese catalysts or the like
04/15/2003US6548692 Reacting 2-methyleneglutaronitrile with bromine in alcohol; colorless, odorless; bromination
04/15/2003US6548684 Coupling of nucleophiles, vinyl compounds or CO with water, alcohols or amines to organic compounds
04/10/2003WO2003029195A1 Intermediates for epothilone derivative and process for producing these
04/10/2003WO2003029194A1 Aminonitrile production
04/10/2003WO2003029193A1 Aminonitrile production
04/10/2003WO2003029192A1 Aminonitrile production
04/10/2003WO2003029191A1 Aminonitrile production
04/10/2003WO2003029190A1 Processes and compositions for the production of chiral amino-nitriles
04/10/2003WO2003029189A1 Process for producing (2-nitrophenyl)acetonitrile derivative and intermediate therefor
04/10/2003WO2003029185A1 Novel compounds
04/10/2003US20030069433 Producing liquid crystals with cf2o bond
04/10/2003CA2463232A1 Process for producing (2-nitro-phenyl)acetonirtile derivative and intermediate used for synthesis thereof
04/10/2003CA2462421A1 Aminonitrile production
04/09/2003EP1299308A2 Chemical extraction process
04/09/2003EP1299190A1 Method for producing addition products of ethylenic unsaturated compounds
04/09/2003EP1080096B1 Novel furylphosphines and organometallic complexes containing them
04/09/2003EP1000020B1 Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
04/09/2003CN1409653A Oxidative reaction using membrane that selectively conduct oxygen
04/09/2003CN1105099C Purification of acetonitrile by distiliative recovery/ion exchange resin treatment process
04/09/2003CN1104947C Preparation of alumen antimonate catalyst by using tin dioxide hydrate
04/08/2003US6545173 Process for the preparation of 1-aryl-1-cyanocyclobutane derivatives
04/08/2003US6545154 Method for the production of N-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products
04/03/2003WO2003027057A1 Method for preparing of cationic surfactants and fabric softener composition using the same
04/03/2003US20030065209 Process control; catalytic hydrogenation of a dinitrile compound
04/03/2003US20030065207 Processes and compositions for the production of chiral amino-nitriles
04/03/2003US20030065187 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
04/03/2003US20030065174 Antiinflammatory agents; analgesics
04/03/2003US20030061670 Preparation of styryl dyes
04/02/2003EP1298124A1 Method For the Preparation of Citalopram
04/02/2003EP1298122A1 Process for the production of fluorinated nitriles from corresponding amides
04/02/2003CN1407025A Styryl dye preparation
04/02/2003CN1104415C Process for preparing 2-phenyl-3-naphthylpropionic acid derivs
04/02/2003CN1104282C Fluidized-bed catalyst for ammoxidation of propylene or isobutylene
04/01/2003US6541675 2,4-dichlodro-5-fluoro-1,3-dimethylybenzene
04/01/2003US6541652 Process and apparatus for isolating organic substances from a gas mixture in which these substances are present
04/01/2003US6541632 Process for producing heterocyclic nitriles
04/01/2003US6540793 Coupler for use in oxidative hair dyeing
03/2003
03/27/2003WO2003024919A1 Method of producing nitrile compounds
03/27/2003WO2002028822A3 Process for producing fluorinated dicyanobenzene
03/27/2003US20030060624 Reacting 2-chloro-4- trifluoromethyl-phenyl)-acetonitrile in the presence of a palladium catalyst and a base to form indene derivative
03/26/2003EP1295869A2 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
03/26/2003EP1294679A1 Beta-amino acid nitrile derivatives
03/26/2003EP1001929B1 Method for preparing 3-cyano-2,4-dihalogen-5-fluor-benzoic acid
03/26/2003EP0912468B1 Monomer recovery process for contaminated polymers
03/26/2003CN1103759C Processes for preparing pesticidal intermediates
03/25/2003WO2002026927A1 Coated, granular n-alkylammonium acetonitrile salts and their use as bleach activators
03/25/2003US6538148 Catalytic hydrogenation
03/25/2003CA2423607A1 Coated, granular n-alkylammonium acetonitrile salts and their use as bleach activators
03/20/2003WO2003022431A1 Photooxidation catalysts and process for preparation of aldehydes
03/20/2003WO2002064249A3 Compound suitable for use as a catalyst or for producing a catalyst system derived from a bis-phosphorinane
03/20/2003US20030055253 Phospor, arsenic and antimony compounds based upon diaryl-anellated diaryl-anellated bicyclo'2.2.n! parent substances and catalysts containing same
03/19/2003EP1293538A2 Process for the preparation of styryl dyes
03/19/2003EP1293500A2 Method for preparation of acrylonitrile solutions of maleimides
03/19/2003EP1292569A1 Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine
03/19/2003CN1404468A Novel use of phenylheteroalkylamine derivatives
03/13/2003WO2003020421A1 Method for the production of isophorondiamine (ipda, 3-aminomethyl-3,5,5-trimethylcyclohexylamine)
03/13/2003WO2003020209A2 Processes for the production of alpha-difluoromethyl ornithine (dfmo)
03/13/2003WO2002046293A3 Nitrile process
03/13/2003US20030050497 Reducing an alpha, beta unsaturated cyclohexene carboxylic acid using a heavy metal catalyst and ammonium formate; cyanohydrin homologation of the 4-cyanocyclohexanone provides a 4-cyanocyclohexanoic acid; intermediates to asthma drugs
03/12/2003EP1289938A2 A process for the preparation of 2,2-dimethyl-5-(4-clorobenzyl) cyclopentanone and an intermediate useful therefor
03/12/2003EP1289937A1 Method for separating a hydroxybenzonitrile-type compound
03/12/2003EP1189898B1 Process for the synthesis of n-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulphonyl)-2-hydroxy-2-methylpropionamide
03/12/2003CN1401632A Catalyst for preparing phthalonitrile, process for preparing such catalyst, and use thereof
03/11/2003US6531607 Immobilized palladium complexes
03/06/2003WO2003018541A1 Improved operation of heads column in acrylonitrile production
03/06/2003WO2003018540A1 Synthesis of unsaturated nitriles from lactones
03/06/2003WO2003018192A2 Method for the production of 2-propylheptanol and hydroformylating catalysts and the further use thereof for carbonylation, hydrocyanation and hydrogenation
03/06/2003US20030045742 Methods of synthesizing acylanilides including bicalutamide and derivatives thereof
03/06/2003US20030045740 Catalyzing the reaction in presence of a catalyst supports containing copper (I) or (II) fluorinated alkylsulfonate complexes
03/06/2003US20030044348 Alumina composition, method for preparation thereof and use thereof
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