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)
06/2014
06/18/2014CN102633584B Method for converting cis-configuration cyclohexane formiate compound into trans-configuration one
06/18/2014CN102517036B Di(alkynylbenzene) liquid crystal compound and preparation method thereof
06/18/2014CN102432498B Method and device for preparing mass spectrum level acetonitrile
06/18/2014CN102276499B Deodorization method for cyanoacetic esters and malonic esters
06/12/2014WO2014089492A1 Composition for improved nickel-ligand solubility
06/12/2014WO2014089347A1 Pentenenitrile isomerization
06/12/2014WO2014089343A1 Pentenenitrile isomerization
06/12/2014WO2014089303A1 Improved process for producing pentenenitriles
06/12/2014WO2014087105A1 Novel process for synthesis of 3-(2-bromo-4,5-dimethoxyphenyl)­propanenitrile, and application to the synthesis of ivabradine and of addition salts thereof with a pharmaceutically acceptable acid
06/12/2014US20140163220 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
06/11/2014EP2740725A1 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
06/11/2014EP2739604A1 Process for preparing amino acids or esters comprising a metathesis step
06/11/2014CN103857656A Enantionselective processes to insecticidal 3-aryl-3-trifluoromethyl-substituted pyrrolidines
06/11/2014CN103857650A Process for the (AMM) oxidation of lower molecular weight alkanes and alkenes
06/11/2014CN103848757A Process for synthesis of 3-(2-bromo-4,5-dimethoxyphenyl)propanenitrile, and application in synthesis of ivabradine
06/11/2014CN103848756A Preparation method of teriflunomide and intermediate thereof
06/11/2014CN102633680B Catalyst for preparing 3,3-diethoxyl propionitrile and preparation method of catalyst
06/11/2014CN102531961B Preparation method of 2,6-dichloro-3-fluorobenzonitrile
06/10/2014US8748630 Process for preparing 2-amino-5-cyanobenzoic acid derivatives
06/06/2014CA2835459A1 New process for synthesizing 3-(2-bromo-4,5-dimethoxyphenyl) propanenitrile, and application in the synthesis of ivabradine and its addition salts to a pharmaceutically acceptableacid.
06/05/2014US20140155632 Process for preparing aryl- and heteroarylacetic acid derivatives
06/04/2014CN203625268U 去除丙烯腈产品过氧化物吸收装置 Removal of acrylonitrile product peroxide absorption device
06/04/2014CN103842335A Method for producing nitrile compounds from ethylenically unsaturated compounds
06/04/2014CN103833660A Preparation method of lamotrigine and intermediate thereof
06/04/2014CN103833592A Material flow heat recovering process and device in acrylonitrile production device
06/04/2014CN103833561A Method for N-arylation of alkane amine
06/04/2014CN102746185B Preparation process of aromatic nitrile compound
06/04/2014CN102603567B Stilbene nitrile derivatives, and preparation method and application thereof
06/04/2014CN102516058B Device for synthesizing 5-chlorovaleryl chloride
05/2014
05/30/2014WO2014082022A1 Pre calcination additives for mixed metal oxide ammoxidation catalysts
05/29/2014US20140148611 Method for the production of 2-amino-5-cyano-n,3-dimethylbenzamide
05/29/2014US20140148607 Process for Synthesizing Omega-Functionalized Acids from Fatty Acids or Fatty Esters
05/28/2014EP2734495A1 Process for synthesizing omega-functionalized acids from fatty acids or fatty esters
05/28/2014CN103827077A 用于氨基腈和二胺的制备的方法，以及对应的设备 The method of preparation of aminonitrile and diamine used, and the corresponding device
05/28/2014CN103819363A 一种提高高效氯氰菊酯转位合成收率的方法 A way to improve the yield of the synthesis of beta-cypermethrin indexing methods
05/28/2014CN103819362A 一种二苯乙腈的制备方法 One kind of a method for preparing diphenyl acetonitrile
05/28/2014CN103819361A 用于丙烯腈生产过程中氨脱水的工艺 Ammonia for acrylonitrile production process, the dehydration process
05/28/2014CN103819325A 制备*类衍生物的方法 Derivatives prepared *
05/28/2014CN103819295A 一种催化剂在芳香硝基化合物选择性加氢反应中的应用 One application of aromatic nitro compounds in the selective hydrogenation catalysts
05/28/2014CN102336685B 一种连续脱水制备氰乙酸的方法 A continuous method for the preparation of cyanoacetic acid dehydration
05/28/2014CN102199105B 高纯丙烯腈的制备方法 Preparation of high purity acrylonitrile
05/22/2014US20140142304 Process for producing an aminopropyne or enaminone
05/21/2014EP2731926A1 Process for the preparation of aminonitrile and diamine, and corresponding devices
05/21/2014CN103814007A 用于由脂肪酸或脂肪酯合成ω-官能化酸的方法 The method by fatty acids or fatty acid ester synthesis ω- functionalized for
05/21/2014CN103804432A 基于二茂铁的双功能化胺-硫脲有机催化剂及其制备方法和应用 Ferrocene-based bifunctional amines - thiourea organic catalysts and preparation method and application
05/21/2014CN103804235A 一种邻甲氧基苯腈的制备方法 One kind of a nitrile o-methoxybenzene Preparation
05/21/2014CN103804234A α-甲基-（3,4-二甲氧基苯基）-α-氨基丙腈的合成方法 α- methyl - (3,4-dimethoxyphenyl) -α- synthesis aminopropionitrile
05/21/2014CN103804233A 一种苯乙腈衍生物的合成方法 A method of synthesis of benzene acetonitrile derivatives
05/21/2014CN103804232A 一种1-氰基-1-（7-甲氧基-3,4-二氢-1-萘基）甲醇酯类化合物及其制备方法和应用 One kind of 1-cyano-1- (7-methoxy-3,4-dihydro-1-naphthyl) methanol ester compound and preparation method and application
05/21/2014CN103804231A 一种农药中间体三氟乙腈的合成方法 A pesticide synthesis intermediates trifluoroacetic acetonitrile
05/21/2014CN103804230A 降低丙烯腈中甲基丙烯腈含量的方法、丙烯腈生产系统 Reduce acrylonitrile-methyl acrylonitrile content method, acrylonitrile production system
05/21/2014CN103804229A 丁二烯法合成己二腈中抑制含磷配体降解的方法 The method of phosphorus-containing ligand degradation of butadiene synthesis inhibition adiponitrile
05/21/2014CN103804228A 一种烯腈混合液直接异构化合成3-戊烯腈的方法 A mixture of an ethylenically nitrile isomerization direct the synthesis of 3-pentene nitrile
05/21/2014CN103804227A 一种烯腈混合液直接异构化合成2-甲基-2-丁烯腈的方法 A mixture of an ethylenically nitrile isomerization direct the synthesis of 2-methyl-2-butene nitrile
05/21/2014CN103804226A 用于丙烯腈生产的产物处理系统和方法 The product treatment system and method for the manufacture of acrylonitrile
05/21/2014CN103804225A 合成(2e)-3-(3,4-二甲氧基苯基)丙-2-烯腈的方法及其在合成伊伐布雷定及其可药用酸加成盐中的应用 Synthesis of (2e) -3- propan-2-ene-nitrile (3,4-dimethoxyphenyl) and in the synthesis of ivabradine and its pharmaceutically acceptable acid addition salts of Application
05/21/2014CN103804224A 一种催化甘油氨化制备腈类化合物的方法 A glycerol preparation of nitrile compounds ammoniated the catalytic
05/21/2014CN103804157A 一种生产原碳酸四乙酯并联产5-氯戊腈的方法 A process for producing tetra-ethyl-ortho carbonates and generation of 5-chloro-pentyl nitrile
05/21/2014CN103804108A 一种制备伯胺的方法 A process for the preparation of primary amines
05/21/2014CN103804105A 一种联苯类化合物的合成方法 Synthesis method biphenyl compounds
05/21/2014CN102633683B 一种1-羟甲基环丙基乙腈合成方法 One kind of 1-hydroxymethyl-cyclopropyl-acetonitrile Synthesis
05/21/2014CN102557988B 4-硝基邻苯二甲腈的制备方法 Preparation of 4-nitro Phthalonitrile of
05/21/2014CN102365264B 3-（2-氰基-1-丙烯基）-2,2-二甲基环丙烷羧酸或其盐的制造方法 3- (2-cyano-1-propenyl) -2,2-dimethyl-producing method of cyclopropane carboxylic acid or salt thereof
05/21/2014CN102295579B 一种(r)-4-氰基-3-羟基丁酸乙酯的合成工艺 A synthetic process (r) -4- cyano-3-hydroxybutyrate Ethyl
05/20/2014US8729288 Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide
05/15/2014WO2014073672A1 Method for producing aldehyde compound
05/15/2014WO2014073664A1 Method for producing aldehyde compound
05/15/2014WO2014073663A1 Method for purifying aldehyde compound
05/15/2014WO2014073003A1 Single-step process for the preparation of aryl olefins
05/15/2014WO2014072998A1 An improved process for preparation of agomelatine
05/15/2014WO2014072641A1 Selective extraction of an omega-functionalised acid after oxidative cleavage of an unsaturated fatty acid and derivatives
05/15/2014WO2014072640A1 Novel method for synthesising (2e)-3-(3,4-dimethoxyphenyl)prop-2-enenitrile, and application to the synthesis of ivabradine and the addition salts of same with a pharmaceutically acceptable acid
05/14/2014EP2730562A1 Novel method for synthesising (2E)-3-(3,4-dimethoxyphenyl)prop-2-enenitrile and use for synthesising ivabradine and the added salts thereof with a pharmaceutically acceptable acid
05/14/2014EP2729444A1 Method for the production of 2-amino-5-cyano-n,3-dimethylbenzamide
05/14/2014CN103787982A 制备替米沙坦的方法及其中间体 Telmisartan and intermediates prepared
05/14/2014CN103787919A 一种亚氨基二乙腈的脱色方法 Decolorization method of iminodiacetonitrile
05/14/2014CN103787918A 一种溴苯腈合成的生产工艺 One kind of bromoxynil synthetic production process
05/14/2014CN103787917A 一种改进的n,n-二甲基氰基乙酰胺的合成工艺 An improved n, n- dimethyl synthesis cyanoacetamide
05/14/2014CN103787902A 苄基取代的苯胺类化合物及其应用 Benzyl substituted aniline compounds and Applications
05/14/2014CN103787826A 环庚烷类化合物及含有该化合物的液晶组合物及其应用 Heptane ring compound and a liquid crystal composition containing the compounds and their application
05/14/2014CN103787803A 苯乙烯－乙烯或乙炔联产法 Styrene - ethylene or acetylene cogeneration
05/14/2014CN103787543A 一种以冷冻法预处理丙烯腈废水的方法 A kind of freezing acrylonitrile wastewater pretreatment method
05/14/2014CN103787538A 一种丁腈橡胶废水的回收处理方法 A method of nitrile rubber recycling wastewater
05/14/2014CN102964271B 沙坦类抗高血压药物中间体2-氰基-4'-甲基联苯的合成方法 Sartan antihypertensive drug intermediates synthesis of 2-cyano-4'-methyl-biphenyl
05/14/2014CN102702045B 苯甲酰基吡唑化合物和含有它们的除草剂 Benzoyl pyrazole compounds and herbicides containing them
05/14/2014CN102584509B 一种酰胺的制备方法 Method for preparing amides
05/14/2014CN101993391B 一种制备2，2-二溴-2-氰基乙酰胺的方法 A 2,2-dibromo-2-cyano-acetamide was prepared
05/14/2014CN101484413B 制备加巴喷丁的方法 The method of preparation of gabapentin
05/08/2014WO2014000629A9 Hexahydropentaleno derivatives, preparation method and use in medicine thereof
05/08/2014US20140128598 Process for the synthesis of (2e)-3-(3,4-dimethoxyphenyl)prop-2-enenitrile, and application in the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid
05/08/2014CA2831289A1 New process for the synthesis of (2e)-3(3,4-dimethoxyphenyl)prop-2-enenitrile and application in the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid
05/07/2014CN103772444A 二价钯配合物、共轭芳香烃化合物及共轭芳香烃聚合物 A divalent palladium complex, a conjugated aromatic compound and a conjugated aromatic polymer
05/07/2014CN103772323A Dpp-4抑制剂化合物 Dpp-4 inhibitor compounds
05/07/2014CN103772238A 一类新的含酯基芳香丙酰胺化合物及其制备方法和用途 A new class of aromatic ester-amide-containing compounds and their preparation and use
05/07/2014CN103772237A 四氯邻腈基苯甲酸铵生产过程中用强碱置换出氨的方法 Tetrachlorophthalic nitrile acid ammonium production process using alkali replacement of ammonia method
05/07/2014CN103772236A 一种苯甲腈衍生物的制备方法 Preparation method of benzonitrile derivative
05/07/2014CN103772235A 一种丙烯腈生产工艺 An acrylonitrile production process
05/07/2014CN103772234A 乙腈精制工艺 Acetonitrile purification process
05/07/2014CN103772228A 联苯双酰胺类化合物及其制备和用途 Biphenyl-bis-lactam compounds and their preparation and use
05/07/2014CN103769184A 芳烃氨氧化制芳腈用催化剂及其应用 Aromatic nitrile aromatic ammonia oxidation catalyst and its application
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