Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 253 - Preparation of carboxylic acid nitriles
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
05/2014
05/07/2014CN103769140A 丙烯腈流化床催化剂及其制备方法 Acrylonitrile fluidized catalyst and preparation method
05/07/2014CN103769139A 用于氨氧化制不饱和腈流化床催化剂及方法 Ammoxidation of an unsaturated nitrile and method for a fluid bed catalyst
05/07/2014CN103769138A 氨氧化制不饱和腈流化床催化剂、制备方法及其应用 Ammonia oxidation of unsaturated nitrile fluidized catalyst preparation method and its application
05/07/2014CN103769129A 氨氧化制不饱和腈的流化床催化剂及其制备方法 Ammonia oxidation of unsaturated nitrile fluidized catalyst and preparation method
05/07/2014CN103769128A 氨氧化制不饱和腈流化床催化剂的制备方法 Ammoxidation of an unsaturated nitrile of preparation of fluid bed catalysts
05/07/2014CN103769127A 氨氧化法制不饱和腈流化床催化剂 Ammonia oxidation catalyst fluidized legal unsaturated nitrile
05/07/2014CN102827030B 一种(3r, 5r)-3, 5-二羟基-6-氰基己酸酯的制备方法 One kind of (3r, 5r) -3, 5- dihydroxy-6-cyano-hexanoate preparation
05/07/2014CN102718701B 芳氧基二卤丙烯醚类化合物与应用 Dihalopropene aryloxy ether compound and Applications
05/01/2014US20140121399 Quinone Compounds for Inhibiting Monomer Polymerization
04/2014
04/30/2014CN103755732A O-phenyl chalcone compound as well as preparation method and application thereof
04/30/2014CN103755594A Preparation method for tetrachloro-o-nitrile methyl benzoate
04/30/2014CN103755593A Preparation method for ultraviolet light absorber octocrilene
04/30/2014CN103755592A Derivatives of (2Z)-cyan-3-hydroxy-N-[4-(trifluoromethyl) phenyl]-2-crotonamide and application of derivatives
04/30/2014CN103755536A Method for preparing benzyl by simple oxidation of benzoin
04/30/2014CN103752231A Reactor
04/30/2014CN103214395B Synthesizing process of 2,3-dicyanoethylpropionate
04/30/2014CN102516119B Continuous low-energy consumption acetonitrile refining process
04/29/2014US8710256 Process for the preparation of protected L-alanine derivatives
04/29/2014US8709613 Aromatic amine derivative, organic electroluminescent element employing the same, and process for producing aromatic amine derivative
04/24/2014WO2014062428A1 Processes for the synthesis of 2-amino-4,6-dimethoxybenzamide and other benzamide compounds
04/24/2014US20140114085 Process for preparing 3-cyano-3,5,5-trimethylcyclohexanone
04/23/2014EP2721002A1 Process for preparing 3-cyano-3,5,5-trimethylcyclohexanone
04/23/2014CN103748061A Process for the synthesis of c11 and c12 omega-aminoalkanoic acid esters comprising a nitrilaton step
04/23/2014CN103739519A Low-viscosity nitrile resin monomer, copolymer, cured material and preparation method thereof
04/23/2014CN103739518A Synthesis process for 2-hydroxybenzonitrile
04/23/2014CN103739517A Improvement method for recycling and reusing unreacted ammonia in acrylonitrile reaction apparatus
04/23/2014CN103739516A Method for synthesizing adiponitrile by isomerization liquid of 2-methyl-3-crotononitrile
04/23/2014CN103736496A Preparation method of fluidized bed catalyst for unsaturated nitril prepared by ammoxidation
04/23/2014CN102452956B Method for increasing production of acetonitrile by hydrocarbon and alcohol mixed ammoxidation
04/23/2014CN102199104B Method for purifying acrylonitrile
04/23/2014CN102070489B Device and method for continuous cyaniding reaction in benzyl cyanide production
04/23/2014CN101910120B Method for producing cyclopropane carboxylic acid compound and intermediate therefor
04/23/2014CN101541740B Process for preparing 2-amino-5-cyanobenzoic acid derivatives
04/17/2014WO2014057228A1 New method for synthesising -(2-bromo-4,5-dimethoxyphenyl)propanenitrile, and application to the synthesis of ivabradine and the addition salts of same with a pharmaceutically acceptable acid
04/17/2014WO2014056421A1 1-cyan-1-(7-methoxyl-1-naphtyl) methanol ester compound and preparation method and use thereof
04/17/2014US20140107370 Processes and intermediates for making sweet taste enhancers
04/17/2014US20140107334 Process for the synthesis of 3-(2-bromo-4,5-dimethoxyphenyl)propanenitrile, and application in the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid
04/16/2014EP2719689A1 Novel method for synthesising 3-(2-bromo-4,5-dimethoxyphenyl) propanenitrile and use for synthesising ivabradine and the added salts thereof with a pharmaceutically acceptable acid
04/16/2014EP2718014A2 Nickel form for preparation of catalytic nickel-ligand complexes
04/16/2014CN103732323A Nickel form for preparation of catalytic nickel-ligand complexes
04/16/2014CN103724244A Application of thiourea nitrate as solid nitration reagent
04/16/2014CN103724228A Novel method for synthesising 3-(2-bromo-4,5-dimethoxyphenyl) propanenitrile and use for synthesising ivabradine and the added salts thereof with a pharmaceutically acceptable acid
04/16/2014CN103724227A System and method for refining recycle solvent through extracting isoprene by acetonitrile
04/16/2014CN103724196A Dimethyl malonate preparation method
04/16/2014CN102584626B Synthetic method of (ethoxymethylene)-malononitrile
04/16/2014CN102329248B Method for synthesizing phenylacetonitrile and catalyst used by same
04/16/2014CN102272091B Process for preparing cyclic diamines
04/16/2014CN102199109B Preparation method of isophorone nitrile
04/16/2014CN101970397B Process for preparing 2-amino-5-cyanobenzoic acid derivatives
04/16/2014CN101268035B Method for the hydrogenation of nitriles to form primary amines or amino nitriles and suitable catalysts for the process
04/15/2014US8697902 Preparation of nitriles from ethylenically unsaturated compounds
04/15/2014US8697596 Mixed metal oxide catalysts and catalytic conversions of lower alkane hydrocarbons
04/12/2014CA2829428A1 Novel synthesis process for 3-(2-bromo-4.5-dimethoxyphenyl)propanenitrile, and application to the synthesis of ivabradine and of its additon salts to a pharmaceutically acceptableacid
04/10/2014WO2014054408A1 Method for stopping ammoxidation
04/10/2014US20140100371 Process for preparing azomethines from alpha-oxocarboxylates, amines and aryl bromides
04/09/2014CN103710030A Cyano group-substituted stilbene-type liquid crystal material and its preparation technology and use
04/09/2014CN103709380A Trifluorenyl amine polymer luminescent material, and preparation method and application thereof
04/09/2014CN103709072A Optically active trifluoromethyl amine compound and preparation method thereof
04/09/2014CN103709071A 3, 4-difluorobenzonitrile preparation method
04/09/2014CN103709070A New organic compound with AIE (aggregation-induced emission) effects and synthesis method thereof
04/09/2014CN103709069A 6'-hydroxyl naphthyl-2-cyanoacrylate and application thereof
04/09/2014CN103709068A Preparation method of teriflunomide
04/09/2014CN103709067A Medicinal intermediate 1-cyano-3,3-dimethyl-2-butanone preparation method
04/09/2014CN103709066A System and method for separating out acetonitrile in acetonitrile-water-dicyclopentadiene system
04/09/2014CN103709050A Resveratrol derivative and application thereof in preparing drug for resisting alzheimer's disease
04/09/2014CN102728403B Organic solid base catalyst for synthesizing alpha-cyanoethyl cinnamate, and preparation method and application thereof
04/09/2014CN102702145B Triphenylamine derivative, preparation method and application thereof in dye sensitization solar cell
04/09/2014CN102643213B Preparation method of 3, 5-dimethyl-4-bromomethylbenzonitrile
04/09/2014CN101851179B Production process for preparing phthalonitrile by using ammoxidation method
04/03/2014WO2014051090A1 Oxide catalyst, method for producing same, and method for producing unsaturated aldehyde, diolefin or unsaturated nitrile
04/03/2014WO2014050615A1 Composite oxide catalyst, method for producing same, and method for producing unsaturated nitrile
04/03/2014WO2014050272A1 Method for producing complex composed of organic nitrogen compound and copper (i) salt of fluorooxo acid
04/02/2014CN103702978A Method for the production of 2-amino-5-cyano-n,3-dimethylbenzamide
04/02/2014CN103694137A Production method of 2-fluorine-4-nitrobenzonitrile
04/02/2014CN103694136A One-step method for synthesizing adiponitrile by using butadiene
04/02/2014CN103694135A Purifying method of 2, 4, 5-triflorophenylacetonitrile
04/02/2014CN103691447A Catalyst for production of acrylonitrile and preparation method of catalyst
04/02/2014CN102924296B Fluoranthene-containing organic compound, preparation method and application thereof
04/02/2014CN102786438B Cyano anthraquinone derivatives, preparation method and organic electroluminescent devices thereof
04/02/2014CN102659625B Industrial production method of acrylonitrile
04/02/2014CN102432502B Alkenyl nitrile compound, derivatives thereof, and synthesizing method thereof
04/02/2014CN102333758B A process for the eco-friendly preparation of 3, 5-dibromo-4-hydroxybenzonitrile
04/02/2014CN102295578B Synthetic method of 3,3-diethoxypropionitrile
04/02/2014CN102093232B Trifluoreneamine compound, trifluoreneamine polymer luminescent material and preparation methods and application thereof
04/02/2014CN101977844B Process for producing hydrocyanic acid
03/2014
03/27/2014US20140088321 Process for producing aldehyde compounds
03/26/2014CN103664699A Autocatalytic nitrile resin monomer, polymer and preparation method of polymer
03/26/2014CN103664698A 2-cyanophenol preparing method
03/26/2014CN103664697A Chemical method used for preparing aromatic cyclopropanecarbonitrile and cyclopropylamine
03/26/2014CN103664696A Method for preparing cyanobenzene
03/26/2014CN103664695A Preparation method and refining method of ethoxymethylenemalononitrile
03/26/2014CN103664694A Method for lowering content of organic matters in absorption liquid in ammonium sulfate-free acrylonitrile technology
03/26/2014CN103664693A Method for decomposing ammonium salt based on ammonium sulfate removal process by virtue of acrylonitrile reaction device
03/26/2014CN103664692A Method for preparing 2, 3, 5, 6-tetrafluorobenzonitrile
03/26/2014CN103664691A Method for preparing adiponitrile
03/26/2014CN103664688A Preparation method for imido naphthol compound
03/26/2014CN103664433A Preparation method for aromatic nitrile compound
03/26/2014CN103664432A Preparation technology of organic cyanide
03/26/2014CN103657727A Catalyst for hydroformylation reaction and preparation method of catalyst
03/26/2014CN103657669A Fluidized bed catalyst for preparing unsaturation nitrile through ammoxidation and method thereof
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