Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
01/2014
01/22/2014CN102617400B 1, 3-dinitrile 2-substituted-1H-indene derivative and preparation method of 1, 3-dinitrile 2-substituted-1H-indene derivative
01/21/2014US8633328 Method of making fluorinated alkoxy carboxylic acids and precursors thereof
01/16/2014US20140018567 Method for preparing dinitrile compound
01/16/2014US20140018566 Palladium(ii)-catalyzed selective fluorination of benzoic acids and derivatives
01/15/2014EP2683685A1 Method for preparing difluoroacetonitrile and the derivatives thereof
01/15/2014EP2683682A1 Process for the synthesis of aminobiphenylene
01/15/2014CN103517893A Process for the synthesis of aminobiphenylene
01/15/2014CN103508931A Hexahydropentaleno derivatives, preparation methods and applications in medicine thereof
01/15/2014CN103508899A Method for preparing ticagrelor key intermediate and racemate thereof and special intermediate for implementing method
01/15/2014CN102633682B Continuous production process of cyanoacetate
01/15/2014CN102633681B Preparation method of using ester exchange method to synthesize cyanoacetic acid tert-butyl ester
01/15/2014CN102516185B Benzophenanthrene asymmetrical disk compound and preparation method thereof
01/15/2014CN101553571B Synthesis of inimers and hyperbranched polymers
01/09/2014US20140012033 Method for preparing difluoroacetonitrile and the derivatives thereof
01/08/2014EP2682385A1 Method for producing unsaturated nitrile
01/08/2014EP2681185A1 Process for preparing aryl- and heteroarylacetic acid derivatives
01/08/2014CN103502207A A process for preparation of dicyanocarboxylate derivatives
01/08/2014CN103502206A Process for making nitriles
01/08/2014CN103502205A Method for producing mandelonitrile compound
01/08/2014CN103497117A Production technology of ethylenediamine tetraacetic acid (EDTA)
01/08/2014CN102757364B Preparation and synthetic method of chiral nitrogenous compound
01/08/2014CN101891648B Method for preparing high-purity acetonitrile from acetic acid and ammonia by two steps
01/03/2014WO2014005134A2 4-(2-(6-substituted-hexylidene) hydrazinyl)benzonitrile and preparation thereof
01/03/2014WO2014000629A1 Hexahydropentaleno derivatives, preparation method and use in medicine thereof
01/02/2014US20140005395 4-(2-(6-substituted-hexylidene) hydrazinyl)benzonitrile and preparation thereof
01/01/2014CN103483292A Green preparation method of amine derivatives
01/01/2014CN103483223A Alpha-cyano-group-4-hydroxycinnamic acid normal propyl ester, preparation method and application
01/01/2014CN103483222A Self-suction type acrylonitrile polymerization inhibitor adding device
01/01/2014CN102153434B Method for preparing aryl ketone
12/2013
12/26/2013US20130345388 Process for Producing Nitrile-Fatty Acid Compounds
12/25/2013EP2677259A1 Burning apparatus, process for producing oxide catalyst, and process for producing unsaturated acid or unsaturated nitrile
12/25/2013EP2676949A1 Amine suitable as PU-catalyst
12/25/2013EP2415740B1 Method for producing high-purity terminal olefin compound
12/25/2013EP2132167B1 METHOD FOR THE PRODUCTION OF beta-KETONITRILES
12/25/2013EP2098288B1 Catalyst for producing acrylonitrile and process for producing acrlyonitrile
12/25/2013CN203360342U Production device for preparing 2, 6-dichlorobenzonitrile
12/25/2013CN103476740A A process for making 2-nitro-1-ethanol derivatives
12/25/2013CN103476491A Silica-loaded catalyst
12/25/2013CN103468245A OLED material with carrier transmittability as well as preparation method and application thereof
12/25/2013CN103467395A Solid-phase synthetic method of amantadine derivative
12/25/2013CN103467351A Calix [4] proline derivative and green catalytic asymmetric Aldol reaction method thereof
12/25/2013CN103467342A Preparation method of 3-amido-2-[(2-cyano-biphenyl-4-group) methyl] methyl anthranilate
12/25/2013CN103467341A Preparation method for 2-cyano-4'-methylbiphenyl
12/25/2013CN103467323A Method for preparing beta-unsaturated enamine ester derivative
12/25/2013CN103467225A Method for preparing 1,4-dicarbonyl derivative
12/25/2013CN103467223A Green conjugated double bond reduction method
12/25/2013CN103464192A Mesoporous nickel-molybdenum oxide catalyst, and preparation method and application thereof
12/25/2013CN102766072B Method for preparing atorvastatin calcium chiral side chain
12/25/2013CN102617260B Method for removing boric acid group by using aryl boric acid compound
12/25/2013CN102391152B Synthetic method of dichlorobenzonitrile
12/25/2013CN101735106B Method for preparing biphenyl compound
12/19/2013US20130338369 Process for the Synthesis of Aminobiphenylene
12/18/2013EP2674416A1 Process for the preparation of alkali metal and alkaline earth metal tricyanomethanides
12/18/2013EP2673252A1 Improved process for manufacturing acrolein/acrylic acid
12/18/2013CN103459014A Steam re-calcination of mixed metal oxide catalysts
12/18/2013CN103450082A Novel method for synthesising ivabradine and its pharmaceutically acceptable acid addition salts
12/18/2013CN103450046A Method for preparing para hydroxybenzene acetonitrile
12/18/2013CN103450045A Synthetic method of pregabalin intermediate 2-carboxethyl-3-cyano-5-methylethyl caproate
12/18/2013CN103446801A Adsorption device for removing peroxides from acrylonitrile product
12/18/2013CN102627581B Preparation process of N-phenylglycinonitrile
12/18/2013CN102627580B Preparation process of atorvastatin intermediate ethyl-4-cyan -3-hydroxybutyate
12/18/2013CN102603570B Preparation method for 2,3,4-trimethoxy benzonitrile
12/18/2013CN102249949B Preparation method of cyclopropyl fenpropathin derivative
12/18/2013CN102010350B Method for increasing production capacity of acrylonitrile or methacrylonitrile
12/12/2013WO2013182345A1 Amine suitable as pu-catalyst
12/12/2013US20130331598 2-cyanoacrylate-purifying method
12/12/2013US20130331596 Process for the eco-friendly preparation of 3, 5-dibromo-4-hydroxybenzonitrile
12/11/2013EP2671637A1 Mixed solution production device and mixed solution preparation method
12/11/2013EP2670730A1 Preparation of diamine via the preparation of aminonitrile
12/11/2013CN103443069A Process for producing nitrile-fatty acid compounds
12/11/2013CN103435513A Method for preparing cis-1-methoxycarbonyl-2-substituted phenyl-3,3-dinitrile cyclopropane under catalysis of niobium pentachloride
12/11/2013CN102617258B Method for preparing ester by pyridine formate-aldehyde ester exchange reaction
12/11/2013CN102391274B Method for synthesizing asymmetrical benzodifuranone compounds
12/11/2013CN102260192B Novel technology for preparing dichloro dicyane benzoquinone
12/11/2013CN102241606B Clean production method of N-cyanoethylaniline
12/11/2013CN102146008B Organic solvent-free synthesis method of aromatic amine compounds
12/10/2013US8604234 Method for preparing acrolein from glycerol by catalytic dehydration of glycerol using a heteropolyacid catalyst
12/05/2013WO2013181096A1 Process for stabilizing hydrocyanation catalyst
12/05/2013US20130324758 Process for manufacturing acrolein/acrylic acid
12/05/2013US20130324757 Preparation method for fluorine-containing olefins having organic-group substituents
12/05/2013US20130324718 Processes and reagents for making diaryliodonium salts
12/05/2013US20130324694 Processes for producing hexamethylenediamine (hmd), adiponitrile (adn), adipamide (adm) and derivatives thereof
12/04/2013CN203319906U Acrylonitrile refining device for synthesizing acrylamide monomers
12/04/2013CN103429566A Method for preparing a dinitrile compound
12/04/2013CN103429565A Method for preparing difluoroacetonitrile and the derivatives thereof
12/04/2013CN103421044A Chiral phosphine thiourea compound containing dehydroabietylamine structure unit, preparation method and applications thereof
12/04/2013CN103420872A Preparation method of lambda-cyhalothrin
12/04/2013CN103420871A Method for preparing (5R)-6-cyanogroup-5-hydroxy-3-oxocaproic acid tert-butyl ester
12/04/2013CN103420870A Preparation method for chiral 4-cyano-3-hydroxybutyrate
12/04/2013CN103420396A New method of ammonium salt resolving of ammonium-sulfate-free technology of acrylonitrile
12/04/2013CN103418406A Low-temperature high-load catalyst for olefin ammoxidation reaction
12/04/2013CN103418405A Replenishment catalyst for maintaining stabilization production of acrylonitrile device
12/04/2013CN103418403A Low-temperature high-load catalyst for olefin ammoxidation reaction
12/04/2013CN103418400A Fluidized-bed catalyst for preparing unsaturated nitrile by ammoxidation
12/04/2013CN102372651B 2-cycloalkyl-3-secondary alkyl-2-cyansuccinate compounds, preparation method thereof and application thereof
12/04/2013CN102180811B Method for preparing closantel sodium intermediate by catalytic hydrogenation
12/03/2013CA2660769C Process for preparing gabapentin
11/2013
11/28/2013WO2013176421A1 Nonaqueous electrolyte solution for lithium secondary battery, and lithium secondary battery containing same
11/28/2013WO2013176088A1 Method for producing nitrile
11/28/2013US20130317247 Process for production of aromatic amide carboxylic acid derivative
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