| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 06/12/2008 | DE102006058250A1 Integriertes Verfahren und Vorrichtung zur Herstellung von Methacrylsäureestern aus Aceton und Blausäure An integrated process and apparatus for the production of methacrylic acid esters of acetone and hydrocyanic acid |
| 06/12/2008 | DE102006058249A1 Verfahren zur Herstellung von Cyanhydrinen sowie deren Verwendung bei der Herstellung von Methacrylsäurealkylestern Process for the preparation of cyanohydrins and their use in the manufacture of alkyl methacrylates |
| 06/11/2008 | EP1930316A1 Method for catalytic manufacture of aromatic or heteroaromatic nitriles |
| 06/11/2008 | CN101198581A Method for decarboxylating C-C cross-linking of carboxylic acids with carbon electrophiles |
| 06/11/2008 | CN101195589A Synthesis of temozolomide and analogs |
| 06/11/2008 | CN101195588A Process for preparing cyanohydrins and their use in the preparation of alkyl esters of methacrylic acid |
| 06/10/2008 | US7385074 Hemihydrogenation of a dinitrile to corresponding aminonitrile in a liquid medium in the presence of a nickel or Raney nickel catalyst comprising a doping element selected from rhodium or iridium |
| 06/10/2008 | US7385073 reacting a mixture of aminonitrile or a diamine or a dinitrile or mixtures as well as unsaturated amine with alkali or alkaline metal phthalimide or benzenesulfonamide as nucleophic compound, caable to taking of an H+ ion to form acid, disttilation; hydrogenation of dinitrile; Nylon -6 or nylon 66 |
| 06/10/2008 | US7385072 reacting a 3-alkoxy-4-hydroxy-5-nitrobenzadehyde with N,N-diethylaminocyanoacetamide in presence of a mild acid catalyst and a solvent (toluene) to provide 3-O-alkylated Entacapone, treating product with an acid catalyst (acetic acid) in the presence of an organic base ( pyridine) to provide Entacapone |
| 06/10/2008 | US7385071 Via zero-valent nickel catalyst |
| 06/10/2008 | US7385067 Process for the preparation of compounds having a CF2O bridge |
| 06/10/2008 | US7384580 higher reactivity with an electrophile; lithium chloride complexes; using organometallic R1(MgX).LiY, a fast exchange reaction occurs leading to Grignard reagents in high yields under mild conditions; ether solvent; phenyl-(4-cyanophenyl)methanol from benzaldehyde, 4-bromobenzonitrile and i-PrMgCl.LiCl |
| 06/10/2008 | CA2228287C Process for the manufacture of halocarbons and selected compounds and azeotropes with hf |
| 06/05/2008 | DE102006056208A1 Producing aromatic or heteroaromatic nitriles comprises reacting a (hetero)aryl halide or sulfonate with potassium ferro- or ferricyanide in the presence of a palladium compound and a phosphine |
| 06/04/2008 | EP1926705A2 Process for preparing valsartan |
| 06/04/2008 | EP1926704A1 Method for the production of beta-aminopropionic acid derivatives |
| 06/04/2008 | EP1926702A2 Method for the hydrogenation of nitriles to form primary amines or amino nitriles and suitable catalysts for said process |
| 06/04/2008 | EP1817108B1 Extraction of nickel(0) complexes from nitrile mixtures with reduced powder formation |
| 06/04/2008 | EP1448620B1 Supported bis(phosphorus)ligands and their use in the catalysis |
| 06/04/2008 | CN101193850A Method for the production of olefins from carbonyl compounds |
| 06/04/2008 | CN101190858A Method for catalytic manufacture of aromatic or heteroaromatic nitriles |
| 06/04/2008 | CN100391936C Technology of synthesizing 2,3-dicyano ethyl propionate |
| 06/04/2008 | CN100391926C Low polymer diaryl butadiene compounds |
| 06/04/2008 | CN100391602C Fluid-bed catalyst for ammoxidation to prepare acrylonitrile |
| 06/03/2008 | US7381845 Nitrile hydrogenation on heterogeneous catalysts in the presence of ionic liquids |
| 06/03/2008 | CA2350473C Method for producing optically active .alpha.-aminonitriles and .alpha.-amino acids |
| 05/29/2008 | WO2008008930A3 Hydrocyanation process with reduced yield losses |
| 05/29/2008 | CA2661106A1 An improved process for the preparation of entacapone |
| 05/28/2008 | CN100390139C Method for inhibiting polymerization during the recovery and purification of unsaturated mononitriles |
| 05/27/2008 | US7378541 Reacting propane or isobutane with ammonia and molecular oxygen to produce (meth)acrylonitrile in the presence of a mixed oxide catalyst of molybdenum, vanadium, antimony and niobium oxides; improved efficiency |
| 05/20/2008 | US7375052 Prepared by adding a V compound and an Mo compound to an aqueous dispersion of finely ground Te, adding another metal(s) (Nb), evaporating to dryness, and calcining; one-stage oxidation of propane to form acrylic acid; ammoxidation of propane to form acrylonitrile |
| 05/14/2008 | EP1921043A1 Method of recovering ammonia |
| 05/14/2008 | EP1470103B1 Amidoacetonitrile derivatives |
| 05/14/2008 | CN101177407A Extraction separating method of citalopram intermediate |
| 05/14/2008 | CN101177406A Manufacturing technique of 2-(4-methyl phenyl) cyanobenzene |
| 05/14/2008 | CN101177405A Recovery of acetonitrile |
| 05/13/2008 | US7371884 Contacting acrylonitrile with hydrocyanic acid in reactor in presence of tertiary amine |
| 05/13/2008 | US7371883 Single-step catalytic vapor phase (amm)oxidation; for conversion of alkanes |
| 05/13/2008 | US7371882 Reactor for producing a nitrile compound and method for operating the reactor |
| 05/13/2008 | US7371861 Process for preparing ring-fluorinated aromatics |
| 05/13/2008 | US7371324 Chemical process |
| 05/13/2008 | CA2264447C Process for the preparation of malononitrile |
| 05/13/2008 | CA2263840C Process for the preparation of malononitrile |
| 05/08/2008 | WO2008053304A2 Processes for the preparation of a stable polymorphic form of entacapone |
| 05/08/2008 | WO2008053113A1 Method for the synthesis of high purity primary diamines and/or triamines |
| 05/08/2008 | US20080108844 Non Hydroquinone Cyanoacrylate Cracking Process |
| 05/08/2008 | US20080108843 Composite Oxide Catalyst |
| 05/07/2008 | EP1916895A1 Dicyano alkanoic acid amides for combating animal pests |
| 05/07/2008 | CN101175708A Process for preparing at least one target product by partial oxidation and/or ammoxidation of propylene |
| 05/07/2008 | CN101172234A Fluid bed catalyzer for producing vinyl cyanide |
| 05/07/2008 | CN100386309C Method for preparing 2- chlor-6- dialkoxy benzene nitrile |
| 05/07/2008 | CN100386308C Method for preparing 3- chlor-4- dialkoxy benzene nitrile |
| 05/02/2008 | WO2008050767A1 Fluidized-bed catalyst for the production of acrylonitrile and process for the production of acrylonitrile |
| 05/02/2008 | WO2008050313A1 Iminium salts and methods of preparing electron deficient olefins using such novel iminium salts |
| 05/01/2008 | US20080103326 Lithium containing mixed metal oxide catalysts for ammoxidation of propane and isobutane |
| 05/01/2008 | US20080103325 Mixed metal oxide catalysts for the ammoxidation of propane and isobutane |
| 05/01/2008 | US20080102028 converting 2,2-dimethyloxirane to 2-methoxyisobutanol, and converting 2-methoxyisobutanol to 2-methoxyisobutylisonitrile; used in the preparation of technetium (99mTc) Sestamibi |
| 04/30/2008 | CN101171233A High-purity acetonitrile and process for producing the same |
| 04/30/2008 | CN101171232A Method for isolating methyl glycine nitrile-N,N-diacetonitriles from an aqueous crude mixture |
| 04/30/2008 | CN101168129A Catalyst for olefin ammoxidation producing unsaturated nitriles |
| 04/30/2008 | CN100384533C Catalyst of ammoxidation for propylene |
| 04/30/2008 | CN100384531C Fluid-bed catalyst for ammoxidation to prepare acrylonitrile |
| 04/30/2008 | CN100384530C Fluid bed catalyst for producing acrylonitrile |
| 04/29/2008 | US7365197 Method for the regioselective preparation of substituted benzo[g]quinoline-3-carbonitriles and benzo[g]quinazolines |
| 04/29/2008 | US7365041 Method for producing ammoxidation catalyst |
| 04/29/2008 | CA2425494C Process for making 3-amino-2-chloro-4-methylpyridine |
| 04/23/2008 | EP1912935A2 Hiv reverse transcriptase inhibitors |
| 04/23/2008 | EP1912931A2 Preparation of (s)-pregabalin-nitrile |
| 04/23/2008 | EP1912930A1 Process for the preparation of geminal ((difluorocycloalkyl)methyl) amines. |
| 04/23/2008 | EP1912737A1 Full catalyst, production thereof, and use thereof in an ammoxidation process |
| 04/23/2008 | EP1912735A1 Process for producing catalyst mouldings whose active mass is a multi-element oxide |
| 04/23/2008 | CN101166713A Process for producing 4-amino-2-alkylthio-5-pyrimidinecarbaldehyde |
| 04/22/2008 | US7361778 Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile |
| 04/16/2008 | EP1910276A1 Process for preparing nitriles by elimination reactions |
| 04/16/2008 | EP1909957A1 Shell catalyst, production thereof, and use thereof in an ammoxidation process |
| 04/16/2008 | CN101163668A Calcium bis [ (2s) - 3- [3-[ (2s) -3- (4-chloro-2-cyanophenoxy) -2- fluoropropoxy]phenyl ]-2-isopropoxypropionate] and intermediate thereof |
| 04/16/2008 | CN101163666A Procede de fabrication de composes dinitriles |
| 04/16/2008 | CN101161638A Method for preparing novel agomelatine key intermediates |
| 04/16/2008 | CN100381203C Acrylonitrile catalyst in high yield |
| 04/15/2008 | US7358382 Two alcohol groups of 2,2-dimethyl-pentane-nitrile compound are protected with benzyl, 4-methoxybenzyl, 3,4-dimethoxybenzyl, triethylsilyl, trimethylsilyl, triisopropyl, tetrahydropyran, methyloxymethyl, allyl, trityl |
| 04/15/2008 | US7358264 Statine derivatives for the treatment of Alzheimer's disease |
| 04/15/2008 | CA2410303C Beta-amino acid nitrile derivatives |
| 04/09/2008 | CN101157639A Heating ammonia device for production of o-tolunitrile |
| 04/09/2008 | CN101157638A Method for synthesizing m-phenoxybenzoic cyanohydrin ester succinate |
| 04/09/2008 | CN100379493C Catalyst for synthesizing para-hydroxy-benzonitrile and its preparing method and use |
| 04/08/2008 | US7355062 Calcined vanadium, molybdenum, tellurium and copper composite oxide; high yield; low cost |
| 04/08/2008 | US7355061 Method of manufacturing cyano compounds |
| 04/08/2008 | US7354943 Statine derivatives for the treatment of Alzheimer's disease |
| 04/03/2008 | WO2008038801A1 Method of producing diol, polydiol, secondary alcohol or diketone compound |
| 04/02/2008 | EP1905511A2 Phosphorus-containing compositions and their use in hydrocyanation, isomerization and hydroformylation reactions |
| 03/27/2008 | US20080076825 with levodopa and decarboxylase inhibitors; Parkinson's syndrome; from Knoevenagel condensation of 3,4-dihydroxy-5-nitro-benzaldehyde and N,N-diethyl-2-cyanoacetamide |
| 03/27/2008 | US20080073201 Acetonitrile Recycling Process |
| 03/27/2008 | DE102006042439A1 Verfahren zur katalytischen Herstellung von aromatischen oder heteroaromatischen Nitrilen Process for the catalytic production of aromatic or heteroaromatic nitriles |
| 03/26/2008 | EP1903030A1 Method for catalytic manufacture of aromatic or heteroaromatic nitriles |
| 03/26/2008 | EP1903029A1 Process for making alcaline- or alcaline-earth metall tricyanomethanides |
| 03/26/2008 | EP1902015A1 Process for the preparation of 1-[cyano (4-hydroxyphenyl)methyl]cyclohexanol compounds |
| 03/26/2008 | EP1368287B1 Process for a homogeneously catalyzed c-c coupling reaction |
| 03/26/2008 | CN101151240A Method for producing saturated nitriles |
| 03/26/2008 | CN101148424A Continuous and clean producing method for iminodiacetonitrile by using combined reactor |
| 03/26/2008 | CN101147869A Catalyst for preparing acrylonitrile by ammonia oxidizing method |