Patents
Patents for C07B 37 - Reactions without formation or introduction of functional groups containing hetero atoms, involving either the formation of a carbon-to-carbon bond between two carbon atoms not directly linked already or the disconnection of two directly linked carbon atoms (2,877)
01/2009
01/13/2009US7476659 Especially a chitosan in which the amine group is substituted with a photocurable carbonylazide, sulfonylazide, aromatic azide, or formyl styryl group and irradiating with light during surgery to form an insoluble hydrogel
01/08/2009WO2009003650A1 Preparation of biaryls
01/07/2009CN100448841C Process for preparing 2-cyclohexenone compounds
01/07/2009CN100448837C Process for preparing alkylidene-substituted-1,4-dions derivatives
01/06/2009US7473797 Reacting a vinyl halide and an acetylene compound in the presence of a copper (1) bidentate ligand complex, e.g., Cu(1,10-phenanthrolene)(triphenylphosphine)2NO3 and a CuI/neocuproine reaction product; free of expensive palladium reagents
12/2008
12/31/2008EP2008991A1 Method for manufacturing biaryls
12/24/2008WO2008125592B1 Improved process for preparing o-chloromethylphenylglyoxylic esters, improved process for preparing (e)-2-(2-chloromethylphenyl)-2-alkoximinoacetic esters, and novel intermediates for their preparation
12/11/2008WO2008023171A3 Ionic additive for catalysis in biphasic reaction systems
12/10/2008CN101318897A Method for synthesizing trans-alpha-allyl-beta, gamma-unsaturated carboxylic acid ester
12/10/2008CN101318896A Method for synthesizing cis-alpha-allyl-beta, gamma-unsaturated carboxylic acid ester
12/04/2008DE102007025449A1 Preparation of aminoaryl or aminoheteroaryl-boronic acid compound involves, formation of protected group by condensation, followed by metalating with boronic compound to form protected boronic acid, then removing protective-group
11/2008
11/20/2008DE102007023256A1 Purifying fluoroalkyl- and fluoroacyl-compound, comprises providing solution of e.g. fluoroalkyl compound, leading this solution over first stationary phase, forwarding eluate over second stationary phase, washing and flowing from phase
11/18/2008CA2561590C Novel method for the preparation of intermediates useful for the synthesis of vitamin d analogues
11/06/2008US20080275274 Process for the preparation of enantiomerically enriched compounds
11/06/2008DE102007020694A1 Schwefelhaltige Metathesekatalysatoren Sulfur-containing metathesis catalysts
11/05/2008CN101300209A Nickel or iron catalysed carbon-carbon coupling reaction of arylenes, alkenes and alkines
11/05/2008CN100430344C Bidentate ligands of diolefin telomerization
10/2008
10/29/2008EP1984385A1 Methods for the synthesis of dicarba bridges in organic compounds
10/29/2008CN101296884A Iron catalyzed cross-coupling reactions of imidoyl derivatives
10/23/2008WO2008125592A1 Improved process for preparing o-chloromethylphenylglyoxylic esters, improved process for preparing (e)-2-(2-chloromethylphenyl)-2-alkoximinoacetic esters, and novel intermediates for their preparation
10/23/2008DE102007018148A1 Preparation of alkene, which is a polymer compound, preferably homopolymer, copolymer or block-copolymer, comprises metathesis reaction of unsaturated compound containing an alkene or alkyne unit in the presence of an active catalyst
10/16/2008DE102007016971A1 2-Nitro-5-fluor-3',4'-dichlorbiphenyl sowie ein Verfahren zu dessen Herstellung 2-nitro-5-fluoro-3 ', 4'-dichlorobiphenyl as well as a process for its preparation
10/15/2008EP1980296A1 Method for purification of substances contaminated with organic chemicals
10/15/2008CN101284753A Self-coupling reaction method of manganses-catalyzed and oxidized chlorobenzene grignard reagent
10/15/2008CN101284247A Dinuclear nickel cross-coupling reaction catalyst supported by nitrogen heterocycle carbine ligand and preparation method thereof
10/14/2008US7435394 At low temperature; mixture of nickel, aluminum, tungsten oxide; purification of etching gas for semiconductor, liquid crystals
10/01/2008EP1187674B1 Reducing fischer-tropsch catalyst attrition losses in high agitation reaction systems
09/2008
09/30/2008CA2627708A1 Tungsten oxide photocatalyst
09/17/2008CN101265147A Method for preparing biaryl
09/11/2008US20080221337 Reacting 3-(4-fluorophenyl)-1-isopropyl-1H-indole, 3,3-dimethoxypropionate, acetic acid and phosphorus oxychloride obtaining trans-3-[3-(4-fluorophenyl)-1-isopropyl-1H-indol-2-yl]acrylate
09/10/2008EP1965915A1 Supported transition metal complex and use thereof in catalysis
09/10/2008CN101260081A Preparation method for N-arylazoles compounds
09/03/2008CN101255090A Synthesis of alpha, beta, beta-trifluorostyrene via in-situ for mation or trifluorovinyl metal halide
08/2008
08/21/2008DE102006015708B4 Vorrichtung zur überkritischen Naßoxidation An apparatus for supercritical water oxidation
08/20/2008CN101244968A Solvents for phase-transfer-catalyzed reactions
08/13/2008EP1955990A1 Process for production of biphenyl derivatives
08/13/2008EP1581467A4 Ligands for metals and improved metal-catalyzed processes based thereon
08/13/2008CN101239864A Method and device for synthesizing six-membered cyclic compound by continuous method
08/12/2008US7411082 Synthesizing method for compound, and catalyst for synthesis reaction
08/07/2008DE102007005283A1 Lösungsmittel für Phasentransfer-katalysierte Reaktionen Solvent for phase-transfer-catalyzed reactions
07/2008
07/31/2008WO2008046918A3 Addition reactions using transition metal catalysts in halogenated solvents
07/30/2008CN101229511A Noble metal carrier catalyst, preparing method and applications thereof
07/23/2008CN100404479C Method for producing aromatic unsaturated compound
07/22/2008US7402717 producing 2,2',7,7'-tetrakis(2,2'-diphenylvinyl)spiro-9,9'-bifluorene from 2,2',7,7'-tetrabromospirobifluorene; HECK reactions; for sunscreens, various fine and electronics chemicals, and precursors for drugs, organic semiconductors, intergrated circuits, light emitting diodes, organic solar cells,
07/17/2008DE102007001344A1 Converting plant and animal materials into hydrocarbons comprises treatment with an aqueous alkaline solution in several stages with increasing temperatures and residence times
07/16/2008CN101219399A Preparation method and application of N-heterocyclic carbine metal palladium catalyst
07/08/2008US7396924 Building additives based on purified hydroxyalkyl guar
07/03/2008DE102006060908A1 Kontinuierliches Verfahren zur Decarboxylierung von Carbonsäuren Continuous process for decarboxylating carboxylic acids
07/02/2008EP1937614A1 Iron catalyzed cross-coupling reactions of imidoyl derivatives
07/02/2008EP1937613A1 Process for preparing 2-arylcarbonyl compounds, 2-aryl esters and 2-arylnitriles and their heteroaromatic analogues
07/01/2008US7393991 Process for producing internal olefin
06/2008
06/26/2008DE102006060949A1 Verfahren zur Herstellung von Menthylderivaten A process for preparing Menthylderivaten
06/25/2008CN101205160A Continuous method for decarboxylation of carboxylic acid
06/25/2008CN101204670A Aminopyridine resin catalyst loading Pd and application thereof
06/18/2008CN100395220C Method for isomerization of light hydrocarbon
06/03/2008US7381856 Carbon-carbon cross coupling catalyzed by transition metals on solid supports
05/2008
05/30/2008CA2569943A1 Use of n-oxide compounds in coupling reactions
05/28/2008EP1924539A1 Nickel or iron catalysed carbon-carbon coupling reaction of arylenes, alkenes and alkines
05/28/2008EP1506148B1 Process for the preparation of enantiomerically enriched compounds
05/27/2008US7378383 Perfuming ingredients of the woody type
05/21/2008DE102006053177A1 Neues Verfahren zur Herstellung von organischen Phosphorverbindungen, mit diesem Verfahren hergestellte Phosphorverbindungen, deren Metallkomplexe und Verwendung New process for preparing organic phosphorus compounds, phosphorus compounds produced by this method, and their metal complexes using
05/14/2008CN101180307A Ionic liquid supported synthesis
05/14/2008CN101177376A Method for synthesizing 1-aryl-1-cyclohexene compound
05/07/2008EP1641729B1 Use of functionalized onium salts as a soluble support for organic synthesis
05/06/2008US7368624 Reacting arene hydrocarbon with an organic oxidant selected fromquinone, a quinone imine, a quinone diimine, or a nitroarene, in the presence of a Bronsted or Lewis acid, in absence of free halogen impurities; quenching the reaction with a organic or organometallic compound
05/06/2008CA2274648C Polymerizable biaryls, process for their preparation and their use
05/06/2008CA2244979C Proton conductor in liquid form
04/2008
04/30/2008CN100384730C Method for converting chemical
04/24/2008WO2008046918A2 Addition reactions using transition metal catalysts in halogenated solvents
04/23/2008EP1745006A4 Methods of 1,3-enyne preparation using copper (i) catalysts
04/22/2008CA2248236C Sulphated-zirconia-based acid catalyst and its uses
04/16/2008CN100381409C Synthesis of alpha,beta,beta-trifluorostyrene via in-situ for mation or trifluorovinyl metal halide
04/10/2008DE102006046884A1 Verfahren und Vorrichtung zur katalytischen Oxydation und Reduktion von Gasen und Dämpfen mit kristallinen Verbindungen von Schwermetallen und Seltenen Erden Method and apparatus for the catalytic oxidation and reduction of gases and vapors with crystalline compounds of heavy metals and rare earth
04/08/2008US7355039 Building additives based on purified hydrophobically modified hydroxyalkyl guar
04/02/2008CN100378059C Diastereoselective method of preparing olefins by means of the Horner-Wadsworth-Emmons reaction, comprising the addition of a tris-(polyoxaalkyl)-amine sequestering agent
04/02/2008CN100378042C Method for synthesizing chiral methyl 1,3 functional group synthon
03/2008
03/27/2008WO2008034176A1 Cross-linked polysaccharide gels
03/27/2008WO2008004088A3 Iron-copper co-catalyzed process for carbon-carbon or carbon-heteroatom bonding
03/27/2008DE102007038618A1 Fluorphenyl-Verbindungen für flüssigkristalline Mischungen Fluorophenyl compounds for liquid crystalline mixtures
03/27/2008DE102006043704A1 Neue Metathesekatalysatoren New metathesis catalysts
03/27/2008DE102005023601B4 Verfahren zur kontinuierlichen oder teilkontinuierlichen Konvertierung von fett- oder ölhaltigen Roh- und Abfallstoffen in Gemische mit hohem Kohlenwasserstoffanteil, mit diesem Verfahren hergestellte Produkte und deren Verwendung Process for the continuous or part continuous conversion of fat or oil-containing raw and waste materials in mixtures with high hydrocarbon content, this method produced products and their use
03/26/2008EP1592698B1 Phosphine compound, intermediate, palladium-complex, and use thereof
03/26/2008EP1368287B1 Process for a homogeneously catalyzed c-c coupling reaction
03/20/2008WO2008031157A1 Acetylenic compounds
03/20/2008CA2663132A1 Acetylenic compounds
03/18/2008US7345212 Process for olefin oligomerization
03/06/2008WO2008025673A1 New cyclopentadienyl, indenyl or fluorenyl substituted phosphine compounds and their use in catalytic reactions
03/05/2008EP1894938A1 New cyclopentadienyl, indenyl or fluorenyl substituted phosphine compounds and their use in catalytic reactions
03/05/2008CN101137437A Basic ionic liquids
03/05/2008CN100372816C Metal ion exchanged solid materials as catalysts for the skeletal isomerization of fatty acids and alkyl esters thereof
02/2008
02/28/2008CA2697002A1 Ionic additive for catalysis in biphasic reaction systems
02/21/2008DE102007033584A1 New cyclohexene-compounds useful as a component in a liquid crystal medium
02/20/2008EP1055654B1 Process for the preparation of organic compounds with imide catalysts
02/20/2008CN101128407A Metathesis method for purifying starting products
02/19/2008CA2426034C Improved zeolites and molecular sieves and the use thereof
02/14/2008DE102006029417B4 Verfahren zur Herstellung eines 9,10 Diarylanthracens A process for producing a 9,10 Diarylanthracens
02/13/2008CN101121730A Phosphaalkene ligand and its preparing method and use
02/12/2008US7329395 Treatment apparatus and treatment method for organic waste
02/07/2008DE102006029721B4 Verfahren zur Herstellung eines 9,10-Diarylanthracens A process for producing a 9,10-Diarylanthracens
02/05/2008CA2449445C Fluorous triphase and other multiphase systems
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