Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
09/2009
09/01/2009US7582780 Method for the separation of intermediates which may be used for the preparation of escitalopram
09/01/2009CA2256941C Process for the alkylation of alkyl- or benzylcyanogen derivatives in the presence of trialkylamines or -phosphines
08/2009
08/27/2009US20090216017 Process for producing biaryl compound
08/26/2009CN101514170A Method for preparing n-phenylglycinonitrile
08/26/2009CN100531845C Salt-adding intermittent extraction, rectified separation method of acetonitrile-water azeotropic mixture
08/25/2009US7579499 Reacting hexafluoroisobutylene with sulfur trioxide and Lewis acid catalyst to form hexafluoroisobutylene fluorosulfate, which undergoes nucleophilic substitution under mild conditions to form substituted fluoroisobutylenes that are useful in ion exchange resins
08/20/2009WO2009102034A1 Method for producing fluoro-compound
08/19/2009CN101511778A Chemical process
08/19/2009CN101508625A Method for synthesis of alkyl substituted benzene with direct cross coupling of cobalt salt catalysed fragrant halogen and haloalkane
08/19/2009CN100528329C Microencapsulated catalyst, methods of preparation and methods of use thereof
08/18/2009US7576234 Synthesis of 2-alkyl amino acids
08/18/2009US7576233 Ammoxidation of halogenated C1 to C6 alkyl benzenes, in the presence of water vapor, using a three-component catalyst of a promoted Vanadium/PhosphorusOxide into a fixed bed reactor
08/18/2009US7576232 In situ modification of molybdenum-based catalysts
08/13/2009WO2009099538A1 Process for the ammoxidation of propane and isobutane
08/13/2009WO2009053446A3 Pregabalin intermediates and process for preparing them and pregabalin
08/13/2009US20090203934 Novel iminium salts and methods of preparing electron deficient olefins using such novel iminium salts
08/13/2009US20090203865 Fluorosulfates of Hexafluoroisobutylene and Its Higher Homologs and Their Derivatives
08/12/2009EP2086927A1 Iminium salts and methods of preparing electron deficient olefins using such novel iminium salts
08/12/2009EP2086920A1 Method for the synthesis of high purity primary diamines and/or triamines
08/12/2009CN100526291C Method for preparing alpha, alpha-dimethyl-4-bromobenzylcyanide
08/06/2009US20090198082 Process for producing dicyanonorbornane and zerovalent nickel complex catalyst
08/06/2009US20090198081 Process for the ammoxidation of propane and isobutane
08/06/2009US20090198071 Tetraphosphorus ligands for catalytic hydroformylation and related reactions
08/05/2009EP1663957B1 Process of hydrocyanation of unsaturated carboxylic acid derivatives
08/05/2009EP1541548B1 Oxamidination process of carbonyl compounds
08/05/2009CN101500988A Method for producing 3-pentenenitrile by means of the hydrocyanation of 1,3-butadiene
08/05/2009CN101497767A Preparation of alpha-cyanacrylate adhesive
08/05/2009CN101497578A Preparation of cyanogen diester
08/05/2009CN101497577A Equipment and method for cracking polyalkyl alpha-cyanacrylate
08/04/2009US7569718 Production process of fluorinated benzonitrile
07/2009
07/30/2009WO2009092637A1 Method for producing nitrile compounds
07/29/2009CN100519517C Improved method for preparing entacapone
07/29/2009CN100519501C Oxidation process in fluidised bed reactor
07/28/2009US7566800 Homogeneous isomerization of cis-2-pentene nitrile to form 3-pentene nitrile
07/28/2009US7566730 Substituted aminoethers for the treatment of Alzheimer's disease
07/23/2009WO2009091790A1 Hydrocyanation of pentenenitriles
07/23/2009WO2009091771A2 Process for making and refining 3-pentenenitrile, and for refining 2-methyl-3-butenenitrile
07/23/2009WO2009053545A3 Novel method for the synthesis of (7-methoxy-l-naphthyl)acetonitrile and application in the synthesis of agomelatine
07/23/2009US20090187039 hydrocyanating 1,3-butadiene, wherein 1,3-butadiene is reacted with hydrogen cyanide in the presence of at least one catalyst and the stream resulting therefrom is purified distillatively, the bottom temperature during the distillation not exceeding 140 degrees C.
07/22/2009EP1592659B1 Method of producing dinitrile compounds
07/22/2009CN101489993A Method for production of polyfunctional compound
07/22/2009CN101489992A Process for making 3-pentenenitrile by hydrocyanation of butadiene
07/21/2009US7563922 catalytic chemical preparation of intermediate 4-(2-cyanoethenyl)-2,6-dimethylbenzenamine stereoisomers in presence of palladium chloride; having HIV inhibiting properties
07/16/2009WO2009087941A1 Method for producing cyclopropane carboxylic acid compound and intermediate therefor
07/16/2009US20090182164 Hydrocyanation of pentenenitriles
07/16/2009US20090182163 Process for making and refining 3-pentenenitrile, and for refining 2-methyl-3-butenenitrile
07/15/2009EP1529037B1 Synthesis of 2-alkylcysteines, 2-(hydroxylated phenyl)-4-alkylthiazoline-4-carboxylic acids and derivatives thereof
07/15/2009CN101484417A Hydrocyanation process with reduced yield losses
07/15/2009CN101484416A Hydrocyanation process with reduced yield losses
07/15/2009CN101481356A Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-pyrimidinyl]amino]benzonitrile
07/15/2009CN100513388C Method for the hydrocyanation of 1,3-butadiene
07/14/2009US7560582 Use of specific bidentate ligands, e.g., 2-dicyclohexylphosphino-2'-dimethylamino-biphenyl, in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions including amination and arylation and with aryl halide reactants and amine, boronic acid, borane or ketone reactants
07/09/2009WO2009085816A1 Process for preparing 2-amino-5-cyanobenzoic acid derivatives
07/09/2009WO2009084031A2 An improved process for preparation of (2e)-2-cyano-3-(3,4- dihydroxy-5-nitrophenyl)n,n-diethyl-2-propenamide polymorphic form a
07/09/2009US20090177004 Process of making 3-aminopentanenitrile
07/09/2009CA2709952A1 Process for preparing 2-amino-5-cyanobenzoic acid derivatives
07/08/2009EP2076483A2 Methods of making organic compounds by metathesis and hydrocyanation
07/08/2009CN101479237A Hydrocyanation of 2-pentenenitrile
07/08/2009CN101479236A Process for making 3-pentenenitrile by hydrocyanation of butadiene
07/08/2009CN100509762C Preparation method of alpha-cyanacrylate for controlling powder size of paraformaldehyde
07/08/2009CN100509752C Nitrile hydrogenation method on heterogeneous catalysts in the presence of ionic liquids
07/07/2009US7557238 Process for the preparation of tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate
07/07/2009US7557237 Process for the synthesis of 3-(3-fluoro-4-hydroxyphenyl)-7-hydroxynaphthonitrile
07/02/2009WO2009081956A1 Method for producing conjugated aromatic compound
07/02/2009WO2009081758A1 Process for producing oxide catalyst
07/02/2009US20090171110 Process for preparing n-methyl-3, 4-dimethoxyphenylethylamine
07/02/2009CA2708450A1 Method for producing conjugated aromatic compound
07/01/2009EP2075243A1 An integrated process for preparing a carboxylic acid from an alkane
07/01/2009EP2075064A1 Fluidized-bed catalyst for the production of acrylonitrile and process for the production of acrylonitrile
07/01/2009CN101472882A Apparatus and process for continuously preparing ethylene cyanohydrin
07/01/2009CN100506759C Method for preparing at least one organic compound through non-uniform-phase catalysing partial gas-phase oxidation
06/2009
06/30/2009US7554000 Reacting an arylhydrazine, hydrogen peroxide and an aryl compound using a catalytic metal of Group 5,6,7 or 8 or an oxide of a metal of Group 5,6,7 or 8 obtained by reacting the given metal with hydrogen peroxide; improved yield; quaternary amine as phase transfer agent; water solvent and by-product
06/30/2009US7553988 Method for producing coupling compound
06/30/2009US7553986 Process for the selective (amm)oxidation of lower molecular weight alkanes and alkenes
06/25/2009US20090163735 Apparatus and process for continuously preparing ethylene cyanohydrin
06/24/2009CN101462981A Method for preparing nitrile by mixing dehydrogenation of alcohol and ammine
06/24/2009CN100503558C Method of synthesizing hexa-2,4-dienedinitrile from 1,4-dihalogen-1,3-butadiene and cuprous cyanide
06/23/2009US7550407 System suitable for the hydrocyanation of olefinically unsaturated compounds
06/17/2009CN101460451A A process for the preparation of entacapone form-A
06/17/2009CN100500648C Synthesizing process of nitro iodo phenol cyanide
06/11/2009WO2009048553A3 Process for the ammoxidation or oxidation of propane and isobutane
06/10/2009EP2067761A1 Method of producing diol, polydiol, secondary alcohol or diketone compound
06/10/2009CN100497300C Production method of aminobenzene compound
06/09/2009US7544839 N-[2-(7-methoxy-1-naphthyl)ethyl]acetamide; nervous system disorders; melatoninergic system disorders; industrial synthesis
06/09/2009US7544633 Catalyst for partial oxidation and preparation method thereof
06/04/2009US20090143454 Pyrazoline Derivatives and Their Use As Pesticides
06/03/2009CN100494169C Continuous method for the production of linear pentene nitriles
06/02/2009US7541486 Method for producing 3-pentenenitrile
05/2009
05/27/2009EP2061753A1 Method for manufacture of escitalopram
05/27/2009EP2061752A1 Process for preparing alkali metal or alkaline earth metal tricyanomethanides
05/27/2009EP1521633A4 Method for preparing a catalyst for partial oxidation of acrolein
05/27/2009CN101443308A Process for producing dicyanonorbornane and zerovalent-nickel complex catalyst
05/27/2009CN101443306A Process for preparing aminoalkylnitriles and diamines from such nitriles
05/27/2009CN101440079A Process for the preparation of racemic citalopram and/or S- or R-citalopram
05/26/2009US7538240 Method for the hydrocyanation of butadiene
05/22/2009WO2009063120A1 Catalytic method for the production of nitriles from alcohols
05/22/2009WO2009005670A3 Mixed metal oxide catalysts for the ammoxidation of propane and isobutane
05/21/2009US20090131719 Process for the synthesis of (7-methoxy-1-naphthyl) acetonitrile and its application in the synthesis of agomelatine
05/20/2009EP1560808B1 Purification/decolorization treatment for fatty nitriles
05/20/2009CN101437789A Method for producing a cyanoacrylate monomer
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