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)
07/2012
07/12/2012US20120178920 Method for preparing [18f]fallypride with low base concentration
07/11/2012CN102574780A Alternative synthesis of 1,1-substituted olefins having electron-withdrawing substituents
07/11/2012CN102573767A Novel aldehydes and nitriles from isophorone, and the use thereof in perfumery
07/11/2012CN102558207A Substituted alkyl borate compounds and preparation method thereof
07/11/2012CN102558098A Preparation method of alpha-cyano-3-nitro-4-substituted aminophenylacrylic acid derivatives
07/11/2012CN102557988A Preparation method of 4-nitro phthalonitrile
07/11/2012CN102557987A Method for preparing sartan antihypertensive drug side-chain
07/11/2012CN102557986A Synthesis method for hydroxyl nitrile
07/11/2012CN102557135A Nanometer chromium vanadate as well as preparation method and application thereof
07/11/2012CN101481356B Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-pyrimidinyl]amino]benzonitrile
07/11/2012CN101450917B Valsartan synthesis method
07/11/2012CN101085752B Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives
07/05/2012WO2012090979A1 Composite oxide catalyst and method for producing same
07/05/2012WO2012090691A1 Method for purifying acrylonitrile
07/05/2012WO2012090690A1 Method for purifying acrylonitrile
07/05/2012US20120171103 Method for modifying electrical properties of carbon nanotubes
07/04/2012CN102548942A Method for producing ketone
07/04/2012CN102532202A Palladium complex containing trichlorethylene, synthesizing method and application of palladium complex to trifluorovinylation
07/04/2012CN102532109A Synthetic method of lapatinib and salt of lapatinib
07/04/2012CN102531962A Preparation method of 2-fluorin-5-chlorobenzonitrile
07/04/2012CN102531961A Preparation method of 2,6-dichloro-3-fluorobenzonitrile
07/04/2012CN102531960A Method for preparing aminoacetonitrile sulfate
07/04/2012CN102531959A Method for removing small amount of water contained in industrial acetonitrile
07/04/2012CN102531958A Method for producing aromatic nitrile by using fluidized bed reactor
07/04/2012CN102531857A Process for making neo-enriched p-menthane compounds
07/04/2012CN102527419A Method for preparing m-phthalodinitrile catalyst through ammoxidation
07/04/2012CN102527213A Tail gas treatment method for acetonitrile refining process
07/04/2012CN102199125B Fluorine-containing imidazoline derivatives and preparation method thereof
07/04/2012CN101905152B Application of polyhydroxy fullerene for catalyzing addition reaction of nitroparaffin and aromatic aldehyde
07/04/2012CN101671272B Synthetic method of 2-cyanogroup-4-nitro-6-bromaniline diazosalt
07/04/2012CN101624321B One-step method for preparing alpha-halo acetophenone dimethyl ketal compounds
07/04/2012CN101484416B Hydrocyanation process with reduced yield losses
07/04/2012CN101462981B Method for preparing nitrile by mixing dehydrogenation of alcohol and ammine
07/04/2012CN101456827B Industrial production method of 2,6-difluorobenzene nitrile
07/04/2012CN101353317B Preparation of 4-bromo-2,6-difluorobenzonitrile
07/04/2012CN101238092B Process for production of 2-hydroxy esters
07/04/2012CN101040029B Propylene hydroformylation
07/03/2012US8212067 Method for recovering (meth)acrylonitrile
06/2012
06/28/2012WO2012084862A1 Method for producing cis-1-ammonium-4-alkoxycyclohexanecarbonitrile salts
06/27/2012EP1497299B1 Cross-metathesis of olefins directly substituted with an electron-withdrawing group using transition metal carbene catalysts
06/27/2012CN102517036A Di(alkynylbenzene) liquid crystal compound and preparation method thereof
06/27/2012CN102516527A Cyanopolyaryletherketone resin and its preparation method
06/27/2012CN102516350A Glycyrrhetinic acid modifier with antitumor activity and preparation method thereof
06/27/2012CN102516185A Benzophenanthrene asymmetrical disk compound and preparation method thereof
06/27/2012CN102516123A Method for preparing candesartan intermediate
06/27/2012CN102516122A Environment friendly method for preparing DMF (Dimethyl Formamide) solution of 2-hydroxy-benzonitril, DMF solution of 2-hydroxy-benzonitril and application thereof
06/27/2012CN102516121A Simple production method of N, N-dimethylcyanoacetamide
06/27/2012CN102516120A Preparation method of cyanohydrin
06/27/2012CN102516119A Continuous low-energy consumption acetonitrile refining process
06/27/2012CN102516118A Synthetic method of cyano-biphenyl type liquid crystal material
06/27/2012CN102516058A Device for synthesizing 5-chlorovaleryl chloride
06/27/2012CN101954264B Novel fluidized bed reactor for synthetizing m-phthalonitrile
06/27/2012CN101767014B Fluidized bed catalyst for producing acrylonitrile by propylene ammoxidation
06/27/2012CN101665393B Synthesis method of polysubstituted allyl chloride derivative
06/27/2012CN101591267B Clean production method for preparing iminodiacetonitrile by taking hydroxy acetonitrile as raw material
06/27/2012CN101309897B Method for making hexamethylene diamine and aminocapronitrile
06/27/2012CN101265216B 4-(substituted cyano)-phenylhydrazone derivatives and synthesis method thereof
06/21/2012WO2012081578A1 Apparatus and process for production of catalyst, and process for production of unsaturated acid or unsaturated nitrile
06/21/2012US20120157704 Method for the Hydroxylation of Halogenated Aryl Compounds
06/21/2012US20120157524 3-methanesulfonylpropionitrile for treating inflammation and pain
06/20/2012CN102504252A Amino phenoxy phthalonitrile pre-polymer, condensate and preparation method and application thereof
06/20/2012CN102503856A A green fluorescence luminescent organic compound and a synthetic method thereof
06/20/2012CN102503855A Synthetic method of 4-cyanobiphenyl
06/20/2012CN102503854A Symmetric discotic pyrene compounds and preparation method thereof
06/20/2012CN102500417A Magnetic oxime ring palladium catalyst and preparation method thereof
06/20/2012CN101602693B Method for synthesizing acetonitrile by ethanol ammoniation method
06/20/2012CN101130505B Method for producing polyolefinic amines and compositions containing same
06/19/2012US8203015 Process for preparing fluoroalkyl nitriles
06/14/2012WO2012077456A1 Production method for ether, ester, and thioether
06/14/2012US20120149933 Ammoxidation catalyst and method for producing nitrile compound using the same
06/14/2012US20120149895 Process for dimethylation of active methylene groups
06/13/2012EP2462098A2 Process for the preparation of derivatives of 1-(2-halobiphenyl-4-yl)-cyclopropanecarboxylic acid
06/13/2012EP2061752B1 Process for preparing alkali metal or alkaline earth metal tricyanomethanides
06/13/2012CN102492429A Novel polymerizable liquid crystal compound and synthesis method thereof
06/13/2012CN102491919A Synthesis method for norverapamil
06/13/2012CN102491863A Selective hydrogenation reduction method for aromatic nitro compound
06/13/2012CN102491862A Method for preparing biaryl compound in pure water
06/13/2012CN102489330A Preparation method of magnetic nitrogen-containing bidentate palladium ligand catalyst
06/13/2012CN101171232B Method for isolating methyl glycine nitrile-N,N-diacetonitriles from an aqueous crude mixture
06/12/2012US8198379 Halobutyl elastomers
06/07/2012US20120142964 Process to prepare a chelating agent or precursor thereof using a cyanide salt
06/07/2012US20120142957 Method for production of n-(2-amino-1,2-dicyanovinyl)imidates, method for production of n-(2-amino-1,2-dicyanovinyl)formamidine, and method for production of aminoimidazole derivatives
06/07/2012US20120142937 Method for coupling halogen-substituted aromatic compounds with organic compounds comprising trialkylsilyl-substituted heteroatoms
06/07/2012US20120142934 Method for synthesis of secondary alcohols
06/06/2012EP2460802A1 Trifluoromethylthiophenium derivative salts, process for produciton thereof, and process for production of trifluoromethyl-containing compounds using same
06/06/2012EP1581483B1 A PROCESS FOR THE PREPARATION OF RACEMIC CITALOPRAM DIOL AND/OR i S- /i OR i R- /i CITALOPRAM DIOLS AND THE USE OF SUCH DIOLS FOR THE PREPARATION OF RACEMIC CITALOPRAM, i R- /i CITALOPRAM AND/OR i S- /i CITALOPRAM
06/06/2012DE19626993B4 Verfahren zur Erzeugung eines aliphatischen Nitrils A process for producing an aliphatic nitrile
06/06/2012CN101421214B Process for hydroformylation of propylene
05/2012
05/30/2012CN102482204A 由烯属不饱和化合物生产腈化合物的方法 The method of producing an unsaturated nitrile compound represented by the compounds of the olefinic
05/30/2012CN102040543B Method for producing unsaturated nitrile through ammoxidation
05/30/2012CN101811068B Preparation method of piperazine functionalized ordered mesoporous phenolic resin solid base catalyst
05/30/2012CN101767013B Fluid catalyst for preparing acrylonitrile by ammonia oxidation process
05/30/2012CN101633628B Method for controllably preparing multi-shape copper-tetracyano-p-benzoquinone dimethane nano structure
05/30/2012CN101445470B New synthetic method for polysubstituted benzene compound
05/30/2012CN101357897B Method for preparing dicyano-1,4phenylethenes asymmetric fluorescent whitener
05/29/2012CA2529561C Methanesulfonic acid salt of pyrazolopyrimidine compound, crystal thereof, and process for producing the same
05/24/2012US20120130113 Oxidative homo-coupling reactions of aryl boronic acids using a porous copper metal-organic framework as a highly efficient heterogeneous catalyst
05/24/2012US20120130112 Mixed Metal Oxide Ammoxidation Catalysts
05/24/2012US20120130090 Trifluoromethylthiophenium derivative salt, method for producing the same, and method for producing trifluoromethyl-containing compounds using the same
05/24/2012US20120130080 Process for preparing 2-amino-5-cyanobenzoic acid derivatives
1 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ... 144