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)
10/1998
10/24/1998CA2235524A1 A catalyst for formation of a carbon-carbon bond and a method for formation of a carbon-carbon bond
10/22/1998WO1998046562A1 A process for the preparation of 4-bromomethyl diphenyl compounds
10/21/1998EP0872476A2 Herbicidal substance based on 2,6-dichloro-3-fluoro-benzonitrile and new intermediate compounds
10/21/1998EP0872475A2 Inhibiting formation of foulants in acrylonitrile manufacture or recovery
10/20/1998US5824817 Herbicidal compositions based on 2,6-dichloro-3-fluoro-benzonitrile, and new intermediates
10/14/1998EP0870750A2 Catalyst for reactions of the aldol type
10/14/1998CN1196047A Process for preparation and separation of cyclopropanecarbonitrile
10/13/1998US5821380 Knoevenagel condensation of an aromatic ketone or imine with a cyanoacetic ester; stabilizers against the action of light, oxygen and heat
10/13/1998US5821378 Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
10/13/1998US5821369 Racemisation process
10/13/1998US5820622 Analyte-controlled liquid delivery device and analyte monitor
10/08/1998WO1998043940A1 A process for continuous hydrogenation of adiponitrile
10/08/1998CA2279871A1 A process for continuous hydrogenation of adiponitrile
10/07/1998CN1040104C Process for ammoxidation of saturated hydrocarbon
10/07/1998CN1040062C Process for preparing pharmacologically active catechol derivatives
10/06/1998US5817878 Using a zeolite catalyst
10/06/1998US5817862 Reacting chlorinated aromatic compound and acrylic aid derivative in presence of a palladium catalyst and a phosphine compound
10/06/1998US5817848 Bidentate phosphine ligand
10/06/1998US5817827 Sulfur trioxide-amine adduct catalyst
09/1998
09/30/1998EP0867433A1 Process for producing 4-bromomethyl-biphenyl compounds
09/30/1998EP0867221A2 Process for the preparation of antimonate catalysts for (AMM) oxidation of alkanes and alkenes
09/30/1998EP0866786A1 Basic catalysts for the aldol reaction
09/30/1998CN1194635A Multi-component liquid azodinitrine mixtures
09/30/1998CN1194634A 4-cyano-2,5-difluoraniline preparation process
09/30/1998CN1194265A Process for preparing raw powder of Fenpropathrin with content larger than 90%
09/25/1998CA2233055A1 Process for the preparation of 4-bromomethylbiphenyl compounds
09/23/1998EP0866047A1 Method for the preparation of bishydroxymethyl compounds
09/23/1998CN1193958A 加氢甲酰化方法 Hydroformylation process
09/23/1998CN1193955A 加氢甲酰化方法 Hydroformylation process
09/23/1998CN1193954A 加氢甲酰化方法 Hydroformylation process
09/16/1998EP0863868A1 Process for the preparation of 1-aryl-1-cyanocyclobutane derivatives
09/15/1998US5808143 Catalyst based on oxides of Fe, Co, Bi and Mo
09/15/1998US5807375 Analyte-controlled liquid delivery device and analyte monitor
09/11/1998WO1998039349A1 Protecting group for synthesizing oligonucleotide analogs
09/11/1998WO1998039302A1 Processes for preparing pesticidal intermediates
09/09/1998EP0807098B1 Improved process for reductive hydrolysis of nitriles
09/02/1998EP0861225A1 Hydroformylation process
09/01/1998US5801268 Preparation of aliphatic alpha omega-aminonitriles
09/01/1998US5801267 Preparation of aliphatic alpha, omega-aminonitriles
09/01/1998US5801266 Ammoxidation
09/01/1998US5801265 Method and apparatus for direct oxygen injection with a reactant stream into a fluidized bed reactor
09/01/1998US5800420 For delivering a liquid drug to a subject
08/1998
08/27/1998WO1998037060A1 Preparation of 4-cyano-4'-hydroxy biphenyl
08/27/1998WO1998037059A1 Preparation of 4-cyano-4'-hydroxy biphenyl
08/27/1998WO1998037058A1 Method for producing aromatic nitriles
08/27/1998DE19706648A1 Verfahren zur Herstellung von aromatischen Nitrilen A process for preparing aromatic nitriles
08/27/1998CA2280955A1 Preparation of 4-cyano-4'-hydroxy biphenyl
08/27/1998CA2280954A1 Preparation of 4-cyano-4'-hydroxy biphenyl
08/26/1998EP0860427A1 Process for the removal of halides from halide containing nitrile mixtures
08/26/1998EP0859758A1 Nitrile stabilization
08/20/1998WO1998035935A1 Acrylonitrile compounds, process for their production and pesticides containing them
08/20/1998WO1998035934A1 η-OXO-HOMOPHENYLALANINE DERIVATIVES AND PROCESS FOR PRODUCING HOMOPHENYLALANINE DERIVATIVES BY REDUCING THE SAME
08/19/1998EP0730574B1 Processes and catalyst compositions for hydrocyanation of monoolefins
08/13/1998WO1998034912A1 Method for separating 6-aminocaproic acid nitrile from mixtures containing 6-aminocaproic acid nitrile and an imine
08/13/1998WO1998034911A1 Method for separating 6-aminocapronitrile from mixtures containing 6-aminocapronitrile and an imine
08/13/1998WO1998034900A1 Method for separating an imine from a mixture containing an amine and an imine
08/13/1998WO1998034584A2 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
08/13/1998DE19704620A1 Verfahren zur Abtrennung von 6-Aminocapronitril aus Mischungen, die 6-Aminocapronitril und ein Imin enthalten A process for removing 6-aminocapronitrile from mixtures comprising 6-aminocapronitrile and an imine
08/13/1998DE19704614A1 Verfahren zur Abtrennnung eines Imins aus einer Mischung enthaltend ein Amin und ein Imin A process for Abtrennnung of an imine from a mixture comprising an amine and an imine
08/13/1998DE19704613A1 Verfahren zur Abtrennung von 6-Aminocapronsäurenitril aus Mischungen, die 6-Aminocapronsäurenitril und ein Imin enthalten A process for removing 6-aminocapronitrile from mixtures comprising 6-aminocapronitrile and an imine
08/13/1998CA2444210A1 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
08/13/1998CA2444204A1 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
08/13/1998CA2280887A1 Method for separating 6-aminocaproic acid nitrile from mixtures containing 6-aminocaproic acid nitrile and an imine
08/13/1998CA2279951A1 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
08/13/1998CA2279369A1 Method for separating an imine from a mixture containing an amine and an imine
08/13/1998CA2279172A1 Method for separating 6-aminocapronitrile from mixtures containing 6-aminocapronitrile and an imine
08/12/1998CN1190093A Synthesis of 4-methoxyl polyfluorophenyl nitrile
08/11/1998CA2134940C Process for the hydrocyanation of unsaturated nitriles in dinitriles
08/11/1998CA2096612C Process for the deshydrocyanation of aliphatic dinitriles
08/11/1998CA2073073C Process for the ammoxydation of saturated hydrocarbons
08/06/1998WO1998033767A1 Process for the preparation of cyanoarylmethylamine
08/06/1998WO1998033766A1 Process for the preparation of cyanoarylmethylamine
08/06/1998WO1998019511A3 Method for the preparation of citalopram
08/04/1998US5789621 Preparation of amines and aminonitriles
08/04/1998US5789609 Catalyst for assymetric synthesis, reaction of an a-cyano ester and a vinyl ketone to produce an oxo cyano ester
08/04/1998US5789582 Method for production of nuclear halogenated aromatic compound possesing cyano groups
08/04/1998CA2101526C Inhibiting popcorn polymer formation with compounds incorporating group iv elements
07/1998
07/29/1998EP0855388A2 Method for making intermediates useful in synthesis of retroviral protease inhibitors
07/29/1998EP0854859A1 4-cyano-2,5-difluoraniline preparation process
07/29/1998EP0854858A1 Ethylenically unsaturated organic compound hydrocyanation method
07/28/1998US5786498 Resolution of racemates of 2-aryl-2-alkyl-ω-alkylaminoalkane-nitriles
07/23/1998WO1998027057A3 Method for producing trifluoroacetoacetic acid anilides
07/22/1998EP0854135A2 Process for preparing 2-cyanobiphenyl compound
07/22/1998EP0853977A1 Preparation of vanadium antimonate based catalysts using SnO2,nH20
07/22/1998CN1188546A Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors
07/22/1998CN1188107A Process for synthesizing benzoic acids
07/22/1998CN1188106A Process for preparation of 3-amino-2-hydroxy-4-phenylbutyronitrile derivatives
07/22/1998CN1188105A Process for producing acrylonitrile
07/22/1998CN1188104A Process for preparing carbocyclic or heterocyclic nitriles by vapor phase ammoxidation
07/21/1998US5783690 Phosphitylating agents for preparing nucleoside phosphoramidites
07/15/1998EP0853081A1 Process for preparing 4'-methyl-2-cyanobiphenyl
07/15/1998EP0852578A1 Method for preparing certain acetonitriles
07/15/1998EP0852569A1 Method for preparing ammoxidation catalysts
07/15/1998CN1187385A Fluidized bed catalyst containing halogen for producing acrylonitrile
07/14/1998US5780700 Improving catalyst efficiency by controlling residence time, space velocity, temperature of reactants; regenerating catalyst
07/14/1998US5780665 Cyanation of an acylhalide in the presence of a lewis acid catalyst
07/14/1998US5780664 Ammoxidation catalyst composition
07/14/1998CA2130686C Process for the production of hydrocarbon partial oxidation products
07/08/1998CN1187187A Nitrile stabilization
07/08/1998CN1186795A Method for preparing aromatic compounds
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