Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
04/2011
04/20/2011CN102019191A Novel catalyst for preparing 4-Iodobenzonitrile
04/20/2011CN101171233B High-purity acetonitrile and process for producing the same
04/14/2011WO2011043459A1 Method for producing ketone
04/14/2011WO2011042836A1 Method for isolating methylglycinenitrile-n,n-diacetonitrile
04/14/2011CA2774157A1 Method for isolating methylglycinenitrile-n,n-diacetonitrile
04/13/2011EP2308834A1 Method for isolating methylglycine nitrile-N, N-diacetonitrile
04/13/2011EP1713762B1 Method for the hydrocyanation of butadiene
04/13/2011EP1513801B1 Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives
04/13/2011CN102015630A Process for preparing substituted 7-cyano quinone methides
04/13/2011CN102015629A Processes for synthesizing 1-(2-ethylbutyl) cyclohexane carbonitrile
04/13/2011CN102015585A Method for producing unsaturated organic compound
04/13/2011CN102010506A Novel synthesis technique of petroleum fermentation nylon 1212
04/13/2011CN102010371A Proline ionic liquid and preparation method and application thereof
04/13/2011CN102010351A Synthetic method of 2-fluorine-4-nitrile group benzotrifluoride
04/13/2011CN102010350A Method for increasing production capacity of acrylonitrile or methacrylonitrile
04/13/2011CN102010280A Preparation method of biaryl compound
04/13/2011CN102010279A Method for preparing vinylaromatic derivatives
04/13/2011CN102010278A Preparation method of diphenylethene or derivatives thereof
04/13/2011CN101068775B Use of modifiers in a dinitrile hydrogenation process
04/07/2011US20110082310 Production of nitrile compounds
04/06/2011EP2303835A1 A process for the preparation of teriflunomide
04/06/2011EP2303834A1 Process for producing nitrile compounds from ethylenically unsaturated compounds
04/06/2011EP2303453A2 Catalyst for gas-phase contact oxidation of hydrocarbon, preparation method thereof and gas-phase oxidation method of hydrocarbon using the same
04/06/2011CN201785326U Device for producing aliphatic nitrile by utilizing circle reactor
04/06/2011CN201783321U Unsaturated hydrocarbon addition device
04/06/2011CN102007095A Method for producing optically active cyanohydrin compound
04/06/2011CN102001967A Method for synthesizing para-cyanobiphenyl
04/05/2011US7919646 Hydrocyanation of 2-pentenenitrile
03/2011
03/31/2011WO2011015287A3 Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid
03/31/2011WO2010144862A3 Production of adipic acid and derivatives from carbohydrate-containing materials
03/30/2011CN101993393A Method for artificially synthesizing cyclopropanecarbonitrile
03/30/2011CN101993392A Multi-cyano substituted triphenylamine derivatives and synthesis method and use thereof
03/30/2011CN101993391A Method for preparing 2,2-dibromo-2-cyanoacetamide
03/30/2011CN101992128A Regeneration method of ammoxidation fluid catalyst
03/30/2011CN101992107A Method for preparing catalyst for alkane ammonia oxidation reaction
03/30/2011CN101992106A Alkane ammoxidation catalyst
03/30/2011CN101992091A Unsaturated nitrile fluid catalyst prepared by ammoxidation and preparation method thereof
03/29/2011US7915442 Process for producing aliphatic nitriles
03/24/2011WO2011033479A1 Novel aldehydes and nitriles from isophorone, and the use thereof in perfumery
03/24/2011WO2011008725A3 Metal-catalyzed carbon-fluorine bond formation
03/24/2011CA2773226A1 Novel aldehydes and nitriles from isophorone, and the use thereof in perfumery
03/23/2011EP2298749A1 Process for the preparation of Thioethers
03/22/2011US7910766 dehydrogenation of hydrocarbon gases in the presence of heterogeneous halogenation catalysts, to form unsaturated hydrocarbon intermediates, used to form unsaturated carboxylic acids and nitriles
03/17/2011US20110065937 Method for the separation of intermediates which may be used for the preparation of escitalopram
03/16/2011EP2295400A2 Process of hydrocyanation of unsaturated carboxylic acid derivatives
03/16/2011EP2294010A2 Hydrocyanic acid containing bioresource carbon
03/16/2011CN101985431A Method for preparing adiponitrile
03/16/2011CN101985089A Tube-type fluid bed reactor in production of chlorothalonil
03/16/2011CN101265215B Method for preparing (S)-citalopram intermediate S-type glycol
03/10/2011US20110060155 Process for preparing and method of purifying alkali metal and alkaline earth metal tricyanomethanides
03/09/2011EP2291237A2 Catalyst for gas-phase contact oxidation of hydrocarbon, preparation method thereof and gas-phase oxidation method of hydrocarbon using the same
03/09/2011EP1786760B1 Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrle and tetrahydroazepine
03/09/2011EP1716106B1 Production of 3-pentenenitrile from 1,3-butadiene
03/09/2011EP1632287B1 Catalyst for oxidation or ammoxidation
03/03/2011DE102009029050A1 Organophosphorverbindungen basierend auf Tetraphenol(TP)-substituierten Strukturen Organophosphorus compounds based on tetraphenol (TP) -substituted structures
03/02/2011CN101982447A Application of O-acylation amino acid and salts thereof as catalysts for asymmetric organic synthesis reaction
03/01/2011US7897801 Process for the preparation of dinitriles
02/2011
02/24/2011US20110046380 Method for producing unsaturated organic compound
02/24/2011US20110046334 Synthesis of inimers and hyperbranched polymers
02/23/2011EP2287141A1 Method for producing unsaturated organic compound
02/23/2011EP2285765A1 Process of preparing derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid
02/23/2011CN101981001A New process for the preparation of cyclohexanecarboxylic acid dericatives
02/17/2011US20110040115 Intermediates and process for the preparation of aromatic derivatives of 1-adamantane
02/16/2011CN101977844A Process for producing hydrocyanic acid
02/16/2011CN101973911A Method for synthesizing anastrozole intermediate-2,2'-(5-methyl-1,3-phenylene)-bis-(2-methyl propionitrile)
02/16/2011CN101972672A S-acylation L-cysteine and application of salt thereof as catalyst for asymmetrical organic synthesis reaction
02/15/2011CA2450890C Process for the preparation of racemic citalopram and/or s- or r-citalopram by separation of a mixture of r- and s-citalopram
02/10/2011WO2011015287A2 Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid
02/10/2011US20110034718 Method for producing optically active cyanohydrin compound
02/10/2011US20110033362 Process for Producing Hydrocyanic Acid
02/10/2011CA2769960A1 Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid
02/09/2011EP2280938A2 A process for preparing teriflunomide
02/09/2011CN101970397A Process for preparing 2-amino-5-cyanobenzoic acid derivatives
02/09/2011CN101970355A Method for producing nitrile compounds
02/09/2011CN101967373A Donor-acceptor type based organic electroluminescent material
02/03/2011WO2011014503A1 Oxidative homo-coupling reactions of aryl boronic acids using a porous copper metal-organic framework as a highly efficient heterogeneous catalyst
02/03/2011WO2011013307A1 Trifluoromethylthiophenium derivative salts, process for produciton thereof, and process for production of trifluoromethyl-containing compounds using same
02/02/2011EP2279168A1 Processes for synthesizing 1-(2-ethylbutyl) cyclohexane carbonitrile
02/02/2011EP2279162A2 Processes for the preparation of esters
02/02/2011CN1972904B Preparation of pregabalin and related compounds
02/02/2011CN101965329A Process for preparing 2-amino-5-cyanobenzoic acid derivatives
02/02/2011CN101962346A Tetrachloro-isophthalonitrile lattice transformation processing method
02/02/2011CN101962345A Method for controlling crystal lattice transformation of 2,4,5,6-tetrachloro-m-phthalodinitrile
02/02/2011CN101962344A Method for purifying tetrachloroisophthalonitrile crystal
02/02/2011CN101961588A Method for reclaiming chlorine in chlorothalonil chlorinated exhaust
02/01/2011US7880028 continuously introducing feed comprising hydrogen cyanide, 1,3-butadiene, and a hydrocyanation catalyst precursor containing nickel bis/1,5-cyclooctadiene/complex and a bidentate phosphite, phosphine ligand to perform hydrocyanation producing 3-pentenenitrile and by-product 2-methyl-3-butenenitrile
02/01/2011US7880027 ammoxidation of an alkane (propane) with oxygen, oxygen and ammonia, in the presence of an oxidation catalyst (mixed metal oxides) to yield unsaturated carboxylic acid or nitrile ( acrylic acid or acrylonitrile) ; impurity of S( SO2, H2S, mercaptans)is reduced by absorption (pressure swing abosroption)
01/2011
01/27/2011WO2011010677A1 Process for producing inorganic acid salt of 2-aminobutylamide
01/27/2011US20110021804 Production of compounds comprising nitrile functional groups
01/26/2011EP2278014A2 Method for producing alcohol and carboxylic acid having optical activity
01/26/2011EP2277623A2 Polymeric phosphorus-containing compositions and their use in hydrocyanation, unsaturated nitrile isomerization and hydroformylation reactions
01/26/2011CN101959850A Improved process to co-manufacture acrylonitrile and hydrogen cyanide
01/26/2011CN101955447A Efficient and clean isophthalodinitrile capture process
01/26/2011CN101955446A Method for preparing vitamin B1 intermediate
01/26/2011CN101954264A Novel fluidized bed reactor for synthetizing m-phthalonitrile
01/25/2011US7875740 Iron-containing material suitable for use as hydrogenation catalyst
01/25/2011CA2467575C N-heteroarylnicotinamide derivatives
01/20/2011WO2010089346A3 Hydrogenation catalysts, the production and use thereof
01/19/2011EP2275395A2 Copper-catalyzed formation of carbon-carbon bonds
01/19/2011EP2274278A1 New process for the preparatiion of cyclohexanecarboxylic acid dericatives
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