Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
08/2007
08/08/2007CN101012184A Fluorine-containing cyclopropane and synthetic method thereof
08/07/2007US7253303 Treating with fluorine gas in a solvent of methanol or aqueous methanol to produce 2-fluoro- and 2,2-difluoro-1,3-diketones and -1,3-ketoesters
08/07/2007US7253298 Hydrocyanating an unsaturated aliphatic nitrile, or a linear pentenenitrile in a liquid medium with hydrogen cyanide in the presence of a Nickel catalyst with an triaryl phosphite ligand; isomerization
08/07/2007CA2377069C Synthesis of non-c2-symmetric bisphosphine ligands as catalysts for asymmetric hydrogenation
08/07/2007CA2287176C 3-cyano-2,4,5-trifluoro-benzoyl fluoride and intermediate products for the production thereof
08/02/2007US20070179288 Triphosphate oligonucleotide modification reagents and uses thereof
08/02/2007DE102006004643A1 Derivate des Bicyclo(4.3.0)nona-3,7-diens und deren Verwendung Derivatives of bicyclo (4.3.0) nona-3,7-diene and their use
08/01/2007EP1713816B1 Separation of nickel(0) complexes and phosphorus-containing ligands from nitrile mixtures
08/01/2007EP1483234B1 Process for making 5-formylvaleronitrile using reactivated catalyst
08/01/2007CN1329370C Process for the preparation of phenylmalonic acid dinitriles
08/01/2007CN1329369C Fluidized catalyst for acetonitrile production by ammoxidation
08/01/2007CN1329368C Method for the prepararation of enantiomerically enriched compounds
08/01/2007CN101010291A Method for the production of tricyanomethanides of organic cations
07/2007
07/31/2007US7250531 Process for the synthesis and crystalline form of agomelatine
07/31/2007US7250527 Water extraction distillation to separate acrylonitrile or methacrylonitrile
07/26/2007WO2007032019B1 Process for preparing valsartan
07/26/2007DE10394218T5 Verfahren für die Gewinnung von reinem Acrylnitril A process for the recovery of pure acrylonitrile
07/25/2007EP1725521A4 Method for the preparation of 3-substituted-3'-hydroxypropionitrile
07/25/2007EP1390340A4 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
07/25/2007CN1328235C Improed process of prepn. of linear aldehydes
07/25/2007CN101005892A Catalyst composed of complex oxide
07/24/2007US7247733 By halogen exchange reaction using specific guanidinium, phosphonium or sulfonium catalysts, e.g., diethylaminobis[tris(diethylamino)phosphazenyl]-sulfonium bromide, diethylaminobis(tetramethyl-guanidino)sulfonium bromide and (N,N-dimethylimidazolidino)tetramethyl-guanidinium chloride
07/24/2007US7247731 Ligands for metals and improved metal-catalyzed processes based thereon
07/19/2007US20070167652 Hexafluoroisobutylene and higher homologs are reacted with sulfur trioxide to give fluorosulfates; reaction provides route to substituted hexafluoroisobutylenes which copolymerize with fluoro- and hydrocarbon monomers
07/19/2007US20070167651 Reacting hexafluoroisobutylene with sulfur trioxide and Lewis acid catalyst to form hexafluoroisobutylene fluorosulfate, which undergoes nucleophilic substitution under mild conditions to form substituted fluoroisobutylenes that are useful in ion exchange resins
07/19/2007US20070167640 Hexafluoroisobutylene and higher homologs are reacted with sulfur trioxide to give fluorosulfates; fluorosulfate is reacted with nucleophile to form substitution product; salt formation; polymerizable
07/19/2007US20070167638 provide advantages for controlling reactions and separating products, solvents or reactants in multiphase reactions
07/19/2007US20070167589 Copolymers formed of derivatives of hexafluoroisobutylene fluorosulfate such as ethers or nitriles, useful in ion exchange resins; e.g. 4-perfluoroisopropoxy-2-trifluoromethyl-3,3-difluorobutene, CH2=C(CF3)CF2OCF(CF3)2
07/18/2007EP1808227A1 Process for producing metal oxide catalyst
07/18/2007CN1326833C Process for making 5-formylvaleronitrile using reactivated catalyst
07/18/2007CN100999484A Synthesizing process of nitro iodo phenol cyanide
07/12/2007US20070161813 Process for preparing nitriles and isonitriles by dehydration reactions with propanephosphonic anhydrides
07/12/2007US20070161812 Liquid-phase (AMM)oxidation process
07/12/2007US20070161800 Nitriting; industrial scale; crop protection
07/12/2007US20070161767 Process for producing metal oxide catalyst
07/11/2007EP1806331A2 Liquid-phase (Amm)oxidation process
07/11/2007EP1806178A1 Catalyst composed of complex oxide
07/11/2007CN1997624A Method for the production of pentene nitriles from n-butane
07/11/2007CN1995012A Process for preparing 1,4-diamino-2,3-dicyan anthraquinone
07/11/2007CN1325617C Preparation of amine derivates from nitriles and phenols
07/11/2007CN1325471C Liquid crystal compound 4'-n-amyl-4-cyanoterphenyl preparing method
07/11/2007CN1325470C Production method of water-soluble beta-hydroxynitriles
07/11/2007CN1325163C Catalyst for acrylonitrile synthesis
07/05/2007US20070155980 contacting a reactant stream containing cis-2-pentenenitrile with a homogeneous catalyst comprising C1- to C20-monoamine ( hexylamine preferred) or a C1- to C20-diamine, or Bronsted acid adducts of organic nitrogen compound as ionic liquid catalyst
07/05/2007US20070155979 Hydrocyanation of butadiene and linear or branched unsaturated nitriles such as 3-pentenenitrile and/or 4-pentenenitrile for production of adiponitrile with use of catalyst comprising organometallic complex formed by monodentate or bidentate organophosphorus ligands, and optionally Lewis acid promoter
07/05/2007US20070155978 Method for producing dinitriles
07/05/2007US20070155977 Hydrocyanation method
07/04/2007CN1324259C Pipe joint assembly and method for using same
07/04/2007CN1324006C Beta-amino acid nitrile derivs.
07/03/2007US7238827 Preparation of at least one partial oxidation and/or ammoxidation product of propylene
06/2007
06/28/2007US20070149390 Catalysts for alkane or alkene oxidation and ammoxidation
06/27/2007EP1799627A1 Iron or cobalt-catalyzed carbon-carbon coupling reaction of aryls, alkenes and alkines with copper reagents
06/27/2007EP1077955B1 Method for producing isoxazoline-3-yl-acyl benzene
06/21/2007WO2007047972A3 Process for the preparation of highly pure 1-[2-dimethylamino-(4-methoxyphenyl) ethyl]cyclohexanol hydrochloride
06/21/2007US20070142673 Nitrile hydrogenation on heterogeneous catalysts in the presence of ionic liquids
06/21/2007US20070142662 Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives
06/21/2007US20070142661 Process for preparing beta-keto nitriles and salts thereof
06/20/2007CN1984872A Process for the preparation of an (hetero) arylamine
06/20/2007CN1321973C High-selective production method of di(aminomethyl)-substituted aromatic compound
06/19/2007US7232920 Process for stereoselective reduction of β-ketoesters
06/19/2007US7232915 Process for the synthesis of 1,3-diols
06/14/2007WO2007066617A1 Condensation reaction by metal catalyst
06/14/2007WO2007032019A3 Process for preparing valsartan
06/14/2007US20070135653 Reacting the acrolein with a compound containing a reactable thiol or hydroxyl moiety in the presence of an acid catalyst; by-product inhibition
06/14/2007DE102005048999A1 Hydrogenation of oligonitrile with at least two nitrile groups, in the presence of a catalyst, which is pre-treated by contacting with a compound e.g. alkali metal carbonates and ammonium carbonate
06/13/2007CN1321106C New process for the synthesis and new crystalline form of agomelatine and pharmaceutical compositions containing it
06/12/2007US7230135 Locates chirality closer to the metal center than known metal phospholane complexes; provides high enantiomeric excesses
06/12/2007US7229946 Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, method of making and method of using thereof
06/12/2007CA2239569C Improved metal-ligand complex catalyzed processes
06/07/2007WO2007064862A2 Catalyst composition without antimony or molybdenum for ammoxidation of alkanes, a process of making and a process of using thereof
06/07/2007US20070129562 Process for the preparation of highly pure 1-[2- dimethylamino-(4-methoxyphenyl)ethyl]cyclohexanol hydrochloride
06/07/2007US20070129561 Method for the separation of intermediates which may be used for the preparation of escitalopram
06/07/2007CA2821517A1 Process for producing nitrobenzoyl chloride
06/07/2007CA2821516A1 Process for producing fluorinated m-nitrobenzoyl chlorides
06/06/2007EP1309402B1 Process for the manufacture of acrylonitrile
06/06/2007DE102005057461A1 Preparation of beta-ketonitrile compounds, useful to prepare plant protection agents, comprises reacting a nitrile with a carboxylic acid ester in the presence of an alkali- or alkaline-earth alcoholate
06/06/2007CN1976897A Process for preparing synthetic intermediates useful in preparing pyrazole compounds
06/05/2007US7227040 Process for forming branched composition catalytically by carbon-hydrogen bond activation in a saturated moiety
05/2007
05/31/2007US20070123734 economical; nontoxic; high yield; industrial scale; Grignard reaction; iron catalyst (FeCl3) and a diamine (ethylenediamine); cross-coupling of alkyl halide and aromatic organometallic; primary or secondary alkyl substituents; phenylcycloheptane from bromocycloheptane and phenyl magnesium bromide
05/31/2007US20070123730 Mixed oxide formed by calcining a precursor of compounds of vanadium, tungsten, bismuth, and optionally sodium, cesium, magnesium, calcium, barium, boron, yttrium, indium, aluminum, gallium, tin, titanium, silicon, zirconium, germanium, niobium and/or tantalum; may also contain BiVO4 or Bi2WO6
05/30/2007CN1972904A Preparation of pregabalin and related compounds
05/30/2007CN1318432C Phosphites
05/29/2007US7223879 Reactibng transition metal with boron compound and sulfonate compound
05/24/2007US20070118001 Continuous process for the hydrogenation of nitriles or nitro compounds to amines
05/23/2007EP1786761A1 Method for the production of tricyanomethanides of organic cations
05/23/2007EP1786760A1 Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrle and tetrahydroazepine
05/23/2007EP1786758A1 Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine
05/23/2007CN1966488A Benzene nitrile monomer liquid crystal preparation method
05/23/2007CN1317261C Method of preparing ethylenediamine tetracetonitrile and ethylenediamine tetraacetic acid using hydroxy acetonitrile as raw material
05/22/2007CA2281892C Processes for preparing pesticidal intermediates
05/22/2007CA2262603C Process for preparing fluorine-containing compounds
05/18/2007WO2007054950A1 A process for the preparation of highly pure (e) n,n-diethyl-2-cyano-3-(3,4-dihydroxy- 5-nitro phenyl) acrylamide (entacapone)
05/18/2007WO2007031488A3 Method for the hydrogenation of nitriles to form primary amines or amino nitriles and suitable catalysts for said process
05/17/2007US20070112215 Method for the separation of pentenenitrile isomers
05/16/2007EP1784357A2 Improved process for recovery and recycle of ammonia from a vapor stream
05/16/2007EP1470105B1 Liquid crystal compounds
05/16/2007CN1964937A Process for forming branched composition catalytically by carbon-hydrogen bond activation in a saturated moiety
05/16/2007CN1962623A Process for preparing 2,4-difluoro benzonitril
05/16/2007CN1962622A Process for preparing 2,4-difluorocyanobenzene
05/16/2007CN1962621A Organic semiconductor compound and its preparation method and uses
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