C07C 253 - Preparation of carboxylic acid nitriles

Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
12/2006
12/13/2006	EP1731503A2 Method for the preparation of benzoyl cyanides
12/13/2006	CN1878748A Process of hydrocyanation of unsaturated carboxylic acid derivatives
12/13/2006	CN1876624A Method for preparing hexafluoropropane
12/13/2006	CN1876623A Method for producing 4-cyano -4úº-hydroxy biphenyl
12/13/2006	CN1876622A Method for producing alkylcyanobiphenyl
12/13/2006	CN1289539C Supported bis(phosphorus) ligands and their use in the catalysis
12/12/2006	US7148372 1,1-bis(alkoxycarbonyl)-omega-tert-amino branched chain alkenes or conjugated polyenes; especially for the synthesis of retinoic acid, vitamin A (retinol), retinal, retinonitrile and etretinate
12/12/2006	US7148255 Amidoacetonitrile compounds
12/12/2006	US7148176 (adamantyl)nP(alkyl)m(1a); (adamantyl)o(Alkyl)qP (alkylene')P(adamantyl)r(alkyl)s , wherein adamantyl bonded to phosphorus atom in position 1, or 2, useful for refining halogenoaromatics
12/12/2006	US7148055 Process for production of optically active 3-hydroxypentanenitrile
12/12/2006	US7147757 Method for separating an azepine derivative out of a mixture containing an amine an azepine derivative
12/12/2006	CA2207583C Process for the production of 2-(substituted benzoyl)1,3 cyclohexanediones
12/07/2006	WO2006012606A3 Improved process for recovery and recycle of ammonia from a vapor stream
12/06/2006	EP1727620A1 C1-symmetric bisphosphine ligands and their use in the asymmetric synthesis of pregabalin
12/06/2006	CN1875025A Sterically hindered chelate phosphinite-phosphite ligand, catalyst, comprising at least one nickel(0) complex stabilized by said ligand and method for production of nitriles
12/06/2006	CN1874992A Resolution of 3-amino alkylnitriles
12/06/2006	CN1874845A Method for producing of nickel(0)/phosphorus ligand complexes
12/06/2006	CN1874844A Method for the production of nickel(0)-phosphorous ligand complexes
12/05/2006	US7145033 Oxidation process in fluidized bed reactor
12/05/2006	CA2207572C Process for the production of 2-(substituted benzoyl)-1,3 cyclohexanediones
11/2006
11/29/2006	EP1725521A1 Method for the preparation of 3-substituted-3'-hydroxypropionitrile
11/29/2006	CN1286803C Process for preparing aminonitrile taking cyanide as additive
11/28/2006	US7141693 Reacting ester with nitrile in hermetic sealed vessel in presence of base; heating
11/23/2006	US20060264673 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
11/23/2006	US20060264653 Aminoacetonitrile derivatives and their use for controlling parasites
11/23/2006	US20060264652 Process for preparing 4-chloro-3-hydroxybutanoic acid ester
11/23/2006	US20060264651 Method for hydrocyanating an olefinically unsaturated compound
11/22/2006	EP1724255A1 Process for production of cyclopentenenitrile derivatives
11/22/2006	EP1724248A1 Process for production of aromatic compounds
11/22/2006	CN1865240A Intramolecular charge transfer chromophore containing triphenylamine group and its synthesis method
11/22/2006	CN1865239A 4-nor-amyl diphenic acid-3-fluor-4-cyan phenol ester production process
11/22/2006	CN1865238A Method for preparing 2- chlor-6- dialkoxy benzene nitrile
11/22/2006	CN1865237A Method for preparing 3- chlor-4- dialkoxy benzene nitrile
11/22/2006	CN1865236A Method for preparing 2,6- dialkoxy benzene nitrile
11/22/2006	CN1285570C Process for producing 4'-bromomethyl-2-cyanobiphenyl
11/21/2006	CA2158060C Process for the preparation of .beta.-phenylisoserine derivatives
11/16/2006	WO2006121081A1 High-purity acetonitrile and process for producing the same
11/16/2006	WO2006120628A2 PROCESS FOR PREPARATION OF ALKYL AND ALCOXYALKYL-α-CYANOACRYLATES BY DEPOLYMERISATION OF POLY(ALKYL-α CYANOACRYLATES) OR POLY(ALCOXYALKYL-α-CYANOACRYLATES) AND ITS USAGE AS TECHNICAL AND/OR MEDICAL ADHESIVE
11/16/2006	WO2006120233A1 Method for the production of at least one final product by partial oxidation and/or ammoxidation of propylene
11/16/2006	WO2006120144A1 Method for isolating methyl glycine nitrile-n,n-diacetonitriles from an aqueous crude mixture
11/16/2006	WO2006119745A2 Method for the production of olefins from carbonyl compounds
11/16/2006	US20060258877 Process for the preparation of (E)-2-cyano-3-(3, 4-dihydroxy-5-nitrophenyl)-N, N-diethyl-2-propenamide (entacapone)
11/16/2006	US20060258876 Carbonylation of 3-pentenenitrile to 5-cyanovaleric acid or its corresponding esters
11/16/2006	US20060258874 in presence of a catalyst mixture containing Ni, a Ni complex with p-tolyl phosphite, Lewis acid, titanium tetraalkoxide or aluminum trialkoxide; improve space-time yield; convert 3-pentenenitrile, 4-pentenenitrile to adiponitrile as chemical intermediate for nylon-6 and nylon-6,6
11/16/2006	US20060258873 Method of producing dinitrile compounds
11/16/2006	CA2608183A1 Process for preparation of alkyl and alcoxyalkyl-.alpha.-cyanoacrylates by depolymerisation of poly(alkyl-.alpha.-cyanoacrylates) or poly(alcoxyalkyl-.alpha.-cranoacrylates) and its usage as technical and/or medical adhesive
11/16/2006	CA2607246A1 Process for isolating methylglycinenitrile-n,n-diacetonitriles from an aqueous crude mixture
11/15/2006	EP1721892A1 Method for producing cyanophenyl derivatives
11/15/2006	EP1721891A1 Method for producing cyanophenyl derivatives
11/15/2006	CN1863809A Ligands for pnicogen chelate complexes with a metal of subgroup viii and use of the complexes as catalysts for hydroformylation, carbonylation, hydrocyanation or hydrogenation
11/15/2006	CN1284775C Process for producing 3-unsubstituted 5-amino-4-nitrosopyrazole compound, and 2-hydroxyimino-3-oxopropionitrile, 3-hydrazono-2-hydroxyiminopropionitrile compound, and processes for producing these
11/14/2006	US7135542 Carbonylation pentenenitrile to 5-cyanovaleric acid; reduction to caproic acid, 6-amino-; then polymerization
11/14/2006	US7135502 Colchinol derivatives as vascular damaging agents
11/09/2006	WO2006117791A1 A methacrylate-bound photoisomerizable chromophore, methods for its synthesis and of its intermediates
11/09/2006	US20060252955 Process of synthesis of compounds having nitrile functions from ethylenically unsaturated compounds
11/09/2006	US20060252954 Oxide catalyst for oxidation or ammoxidation
11/09/2006	DE102005021056A1 Verfahren zur Isolierung von Methylglycinnitril-N,N-diacetonitrilen aus einem wässrigen Rohgemisch A method for isolating methylglycinenitrile-N, N-diacetonitrilen from an aqueous crude mixture
11/08/2006	EP1265845B1 Method for hydrogenating nitrile functions into amine functions
11/08/2006	CN1860099A Process for the preparation of 1-[cyano(phenyl)methyl]cyclohexanol compounds
11/08/2006	CN1860096A Aminocarbonyl naphthol derivative, cyanonaphthol derivative, and method for producing them
11/08/2006	CN1283620C Hydrocyanation method for ethylenically unsaturated organic compounds
11/07/2006	US7132562 Use of modifiers in a dinitrile hydrogenation process
11/07/2006	US7132561 Fluorinating tetrachlorodicyanobenzene in presence of non-protonic polar solvent (N,N-dimethylformamide); chemical intermediates for production of drugs/agricultural chemicals
11/02/2006	WO2006115237A1 Process for producing 4-amino-2-alkylthio-5-pyrimidinecarbaldehyde
11/02/2006	WO2006115130A1 Calcium bis[(2s)-3-[3-[(2s)-3-(4-chloro-2-cyanophenoxy)-2- fluoropropoxy]phenyl]-2-isopropoxypropionate] and intermediate thereof
11/02/2006	US20060247459 Method for the hydration of a monoolefinically unsaturated compound carrying at least two functional groups
11/02/2006	US20060247451 Crystalline base of citalopram
11/02/2006	EP1716109A2 Method for hydrocyanation
11/02/2006	EP1716108A1 Method for the separation of intermediates which may be used for the preparation of escitalopram
11/02/2006	EP1716107A1 Method for the hydrocyanation of 1,3-butadiene
11/02/2006	EP1716106A1 Production of 3-pentenenitrile from 1,3-butadiene
11/02/2006	EP1716105A1 Method for producing linear pentenenitrile
11/02/2006	EP1716104A1 Method for producing 3-pentenenitrile
11/02/2006	EP1716103A1 Continuous method for the production of linear pentene nitriles
11/02/2006	EP1716102A2 Method for the production of pentene nitriles from n-butane
11/02/2006	EP1250313B1 Monohydrate of cis-lithium-cyano-4- 3-(cyclopentyloxy)-4-methoxyphenyl\|cyclohexanecarboxylate
11/02/2006	EP1214290B1 Multidentate phosphite ligands, catalytic compositions containing them and their use in hydrocyanation reactions
11/02/2006	CA2605331A1 Calcium bis[(2s)-3-[3-[(2s)-3-(4-chloro-2-cyanophenoxy)-2- fluoropropoxy]phenyl]-2-isopropoxypropionate] and intermediate thereof
11/01/2006	CN1854131A Compounds and method for preparing sustituted 4-phenyl-4-cyanocyclohexanoic acids
11/01/2006	CN1854128A Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
11/01/2006	CN1854125A Aryl-group-substituted acrylonitrile compound, its production and use
10/2006
10/31/2006	US7129367 Such as [2,2-diphenyl-1-(d-tert-butylphosphino)-1-methylcyclopropane)-allyl-palladium chloride; catalysts for production of drugs and electronics
10/31/2006	US7128815 quickly vaporizing under vacuum the contaminated acrylonitrile as well as fresh acrylonitrile followed by contacting with hydrophilic agents in an extractive distillation column using plural number of packed sections
10/31/2006	CA2457854C Processes for the production of alpha-difluoromethyl ornithine (dfmo)
10/31/2006	CA2214670C 2-cyano-3, 5-dihydroxyhex-2-enecarboxamide derivatives
10/26/2006	WO2006112073A1 Silicon-containing reagent for crosscoupling reaction and process for producing organic compound with the same
10/25/2006	EP1713816A1 Separation of nickel(0) complexes and phosphorus-containing ligands from nitrile mixtures
10/25/2006	EP1713768A2 Novel crystalline forms of entacapone and production thereof
10/25/2006	EP1713766A1 Method for the separation of pentenenitrile isomers
10/25/2006	EP1713765A1 Isomerisation of cis-2-pentenenitrile to form 3-pentenenitrile in a reactive distillation
10/25/2006	EP1713764A1 Homogeneous isomerization of cis-2-pentene nitrile to form 3-pentene nitrile
10/25/2006	EP1713763A1 Method for producing nitriles and isonitriles by using dehydration reactors with propanephosphonic acid anhydrides
10/25/2006	EP1713762A1 Method for the hydrocyanation of butadiene
10/25/2006	EP1713761A1 Hydrocyanation method
10/25/2006	EP1713760A1 Method for producing dinitriles
10/25/2006	EP1713759A1 Method for the production of adipodinitrile by hydrocyanation of 1,3-butadiene
10/25/2006	CN1852889A Process for producing hexamethylenediamine and aminocapronitrile from adiponitrile, wherein the hexamethylenediamine contains less than 200 ppm tetrahydroazepine
10/25/2006	CN1852885A Method for producing nitrile compound, carboxylic acid compound or carboxylate compound
10/25/2006	CN1850791A Liquid crystal compound 4'-n-amyl-4-cyanoterphenyl preparing method
10/24/2006	CA2367876C The preparation of e-oxime ethers of phenylglyoxylic esters

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