| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 09/04/2008 | WO2008104581A1 Method for producing aminonitriles |
| 09/04/2008 | WO2008104579A1 Method for producing ethylenediamine diacetonitrile |
| 09/03/2008 | CN101254358A Adding salt intermittent extraction rectification separation method of acetonitrile-water azeotropic mixture |
| 09/03/2008 | CN100415370C Catalyst for partial oxidation and preparation method thereof |
| 08/28/2008 | WO2008103255A1 Process for the ammoxidation of propane and isobutane using mixed metal oxide catalysts |
| 08/27/2008 | EP1961736A1 Recovery of organics from process flare header |
| 08/21/2008 | WO2008098960A1 Process for preparing entacapone substantially free of z-isomer, synthesis intermediates thereof and a new crystalline form |
| 08/21/2008 | US20080200716 Mixed metal oxide catalysts for the ammoxidation of propane and isobutane |
| 08/21/2008 | CA2674094A1 Process for preparing entacapone substantially free of z-isomer, synthesis intermediates thereof and a new crystalline form |
| 08/20/2008 | EP1958940A1 Condensation reaction by metal catalyst |
| 08/20/2008 | EP1263713B2 Process for the carbonylation of pentenenitrile |
| 08/20/2008 | CN101245034A Technique for synthesizing ethyl cyanoacetate with interesterification method |
| 08/19/2008 | US7414156 Non-C2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation |
| 08/14/2008 | DE102008007755A1 New halogenated 4-formylbenzonitrile compounds useful e.g. intermediate for the synthesis of fine chemicals or pharmaceutical products, and as components of liquid crystalline compounds, which are useful in electro-display devices |
| 08/13/2008 | EP1955997A1 Selective manufacture of N, N'-bis(cyanoethyl)-1,2-ethylenediamine and N,N'-bis(3-aminopropyl)-1,2-ethylenediamine |
| 08/13/2008 | EP1622863B1 Method for the hydrocyanation of unsaturated compounds |
| 08/13/2008 | EP1581467A4 Ligands for metals and improved metal-catalyzed processes based thereon |
| 08/13/2008 | CN101239932A Preparation of 3,5-di(2-cyano-isopropyl)-toluene |
| 08/13/2008 | CN101239931A Method for producing 2-cyanocinnamate with substituent group |
| 08/13/2008 | CN101239865A Preparation of organic compounds bearing a trifluoromethyl group on a quaternary carbon |
| 08/12/2008 | US7411082 Synthesizing method for compound, and catalyst for synthesis reaction |
| 08/07/2008 | WO2008093879A1 Method for producing conjugated aromatic compound |
| 08/07/2008 | WO2008093668A1 Chiral iridium aqua complex and method for producing optically active hydroxy compound by using the same |
| 08/06/2008 | CN101238094A Process for the preparation of 1-[cyano(4-hydroxyphenyl)methyl]cyclohexanol compounds |
| 08/06/2008 | CN101238092A Process for production of 2-hydroxy esters |
| 08/06/2008 | CN101237929A Process for producing catalyst mouldings whose active mass is a multi-element oxide |
| 08/06/2008 | CN100408555C Preparation method of 4-chlorine-3-hydroxybutyronitrile |
| 08/06/2008 | CN100408173C Acrylonitrile catalyst of containing calcium |
| 08/06/2008 | CN100408172C Acrylonitrile fluid bed catalyst |
| 08/05/2008 | US7408080 Process for ammoximation of carbonyl compounds |
| 07/31/2008 | WO2008089920A1 Process for the manufacture of substituted 2-cyano cinnamic esters |
| 07/31/2008 | WO2008062432A3 An improved process for the preparation of entacapone |
| 07/31/2008 | US20080182986 ring-fluorinated aromatics by a halogen exchange reaction (halex reaction) of a plurality of halogen substituents in one stage in the presence of (N,N-dimethylimidazolidino)tetramethylguanidinium chloride or bromide catalyst, using alkali, alkaline or ammonium fluoride |
| 07/30/2008 | EP1948591A1 Process of making 3-aminopentanenitrile |
| 07/30/2008 | CN101233098A Process for the preparation of geminal ((difluorocycloalkyl)methyl) amines |
| 07/30/2008 | CN101230017A Method for preparing cinnamonitriles |
| 07/30/2008 | CN100406433C Process for the cyanation of aldehydes |
| 07/30/2008 | CN100406423C Method for the measurement of the pressure in a gas phase from rectification and/or absorption columns comprising (meth)acrylic acid, the esters and/or nitriles thereof |
| 07/29/2008 | US7405331 High-purity (fluoroalkyl)benzene derivative and process for producing the same |
| 07/29/2008 | US7405318 reacting aldehyde oximes with cyclic alkylphosphonic anhydrides in the presence of an amine base, to form nitriles |
| 07/29/2008 | CA2322187C Method for producing aliphatic alpha-, omega-diamines |
| 07/24/2008 | WO2008087656A2 Process for the preparation of unsymmetrically substituted biphenyl compounds |
| 07/24/2008 | US20080177100 by catalytic hydrogenation of the corresponding olefinically unsaturated compounds in the presence of a supported transition metal catalyst at a pressure of from 1 to 95 bar; preparation of tetrahydrogeranonitrile (3,7-dimethyloctanenitrile) by catalytic hydrogenation of geranonitrile |
| 07/23/2008 | EP1945607A1 A process for the preparation of highly pure (e) n,n-diethyl-2-cyano-3-(3,4-dihydroxy- 5-nitro phenyl) acrylamide (entacapone) |
| 07/23/2008 | EP1527042B1 Method for producing aminoalkoxy benzylamines and aminoalkoxy benzonitriles as intermediates |
| 07/23/2008 | EP1070070B1 Method for producing grignard compounds |
| 07/23/2008 | CN101228120A HIV reverse transcriptase inhibitors |
| 07/23/2008 | CN101225059A Method for preparing 3,3'-diamino-4,4'-di(4-cyano-benzene oxygen) biphenyl |
| 07/23/2008 | CN101225058A Method for preparing 4,4'-di(4-cyano-benzene oxygen)-3,3',5,5'-tetramethyl biphenyl |
| 07/23/2008 | CN101225057A Method for synthesizing 1-amido-1-naphthenic nitrile compound |
| 07/23/2008 | CN100404500C Production method of low hexachlorobenzene content chlorothalonil |
| 07/22/2008 | US7402344 Organic electroluminescent devices and aminostyrylnaphthalene compounds |
| 07/17/2008 | US20080171874 Method for the regioselective preparation of substituted benzo[g]quinoline-3-carbonitriles and benzo[g]quinazolines |
| 07/16/2008 | EP1636155A4 Phase transfer catalysis scrubber |
| 07/16/2008 | CN101219969A Process for producing 4,4í»-diamino- 4í»-(4-cyanophenoxy)triphenylmethane |
| 07/16/2008 | CN101219968A Cyanogens radical containing phenyl-hydrochinone monomer, preparation method and application thereof |
| 07/16/2008 | CN101219967A Process for producing 2-nitryl substituted benzene ethane nitrile compounds |
| 07/16/2008 | CN100402493C Process for recovery of pure acrylonitrile |
| 07/16/2008 | CN100402143C Catalyst composition for ammoxidation of parafins and olefins, and preparing process and use thereof |
| 07/15/2008 | US7399883 Carbonylation of 3-pentenenitrile to 5-cyanovaleric acid or its corresponding esters |
| 07/15/2008 | US7399856 Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-2pyrimidinyl]amino]benzonitrile |
| 07/15/2008 | CA2304848C Method for producing aliphatic alpha, omega-amino nitriles |
| 07/10/2008 | WO2008082502A2 Process for preparing 2-amino-5-cyanobenzoic acid derivatives |
| 07/10/2008 | WO2008081711A1 2-fluorinated acyl-3-aminoacrylonitrile derivative and method for producing the same |
| 07/10/2008 | US20080167488 Process for the Preparation of Geminal ((Difluorocycloalkyl)Methyl) Amines |
| 07/10/2008 | US20080167464 Processes for the preparation of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethylphenyl]amino]-2-pyrimidinyl]amino]benzonitrile |
| 07/09/2008 | EP1585722B1 Method for synthesis of compounds comprising nitrile functions from ethylenically unsaturated compounds |
| 07/09/2008 | EP1567481B1 Method for inhibiting polymerization during the recovery and purification of unsaturated mononitriles |
| 07/09/2008 | CN101218205A A methacrylate-bound photoisomerizable chromophore, methods for its synthesis and of its intermediates |
| 07/09/2008 | CN101215247A Method for synthesizing pyrethroid hapten compounds |
| 07/09/2008 | CN100400157C Catalyst for oxidation or ammoxidation |
| 07/08/2008 | US7396487 Ultraviolet radiation resistance; outdoor use; synthesis |
| 07/08/2008 | CA2228276C Process for the manufacture of halocarbons |
| 07/03/2008 | WO2008078340A1 Process for the separation of 4-bromomethyl-2'-substituted biphenyls from 4,4,-dibromomethyl-2'-substituted biphenyls |
| 07/03/2008 | WO2007077572A1 A process for the preparation of entacapone form-a |
| 07/02/2008 | EP1937726A1 Inhibition of polymerisation |
| 07/02/2008 | EP1937628A1 Method for making hexamethylene diamine and aminocapronitrile |
| 07/02/2008 | EP1937613A1 Process for preparing 2-arylcarbonyl compounds, 2-aryl esters and 2-arylnitriles and their heteroaromatic analogues |
| 07/02/2008 | EP1713760B1 Method for producing dinitriles |
| 07/02/2008 | EP1456169B1 Process for preparing succinonitrile |
| 07/02/2008 | CN100398204C Catalyst for producing acrylonitrile from ammoxidation of propylene |
| 06/26/2008 | US20080154035 Coupling method between intramolecular carbon in unsaturated hydrocarbon compound using organo-indium compound as coupling agent |
| 06/25/2008 | EP1935873A1 A process for the preparation of entacapone |
| 06/25/2008 | EP1935868A1 Improved process for the selective (AMM) oxidation of lower molecular weight alkanes and alkanes |
| 06/25/2008 | CN101208296A Process for preparing nitriles by elimination reactions |
| 06/25/2008 | CN101205196A Production by distillation of acetone cyanhydrin and method for producing methacrylic ester and subsequent products |
| 06/25/2008 | CN101205195A Method for producing acetone cyanhydrin and the subsequent products thereof by specific cooling |
| 06/25/2008 | CN101205177A Improved process for the selective (AMM) oxidation of lower molecular weight alkanes and alkanes |
| 06/24/2008 | US7390913 Process for the preparation of racemic citalopram diol and/or S- or R-citalopram diols and the use of such diols for the preparation of racemic citalopram, R-citalopram and/or S-citalopram |
| 06/19/2008 | WO2008071465A1 Production by distillation of acetone cyanhydrin and method for producing methacrylic ester and subsequent products |
| 06/19/2008 | WO2008071463A1 Method for producing acetone cyanhydrin and the subsequent products thereof by specific cooling |
| 06/19/2008 | DE102006059512A1 Destillative Aufarbeitung von Acetoncyanhydrin und Verfahren zur Herstellung von Metharcylsäureesther und Nachfolgeprodukten Working up by distillation of acetone cyanohydrin and method for producing Metharcylsäureesther and successor products |
| 06/19/2008 | DE102006059511A1 Verfahren zur Herstellung von Acetoncyanhydrin und dessen Folgeprodukten durch gezielte Kühlung A process for producing acetone cyanohydrin and its derivatives by selective cooling |
| 06/19/2008 | CA2615318A1 A process for the preparation of entacapone |
| 06/17/2008 | US7387751 Method of preparing organomagnesium compounds |
| 06/17/2008 | CA2305564C Process for the preparation of optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivatives |
| 06/12/2008 | WO2008070158A1 Process for preparing 2-amino-5-cyanobenzoic acid derivatives |
| 06/12/2008 | WO2008068065A1 Process for preparing cyanohydrins and their use in the preparation of alkyl esters of methacrylic acid |
| 06/12/2008 | WO2008068064A1 Integrated process and apparatus for preparing esters of methacrylic acid from acetone and hydrocyanic acid |
| 06/12/2008 | US20080139837 Condensing malononitrile with 2-chlorobenzaldehyde using a catalyst of piperidine, pyridine, 2-picoline, 3-picoline, 4-picoline or morpholine; riot control agent |