Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/2002
10/10/2002WO2002079127A1 Selective ring-opening cross-metathesis of cycloolefins
10/10/2002WO2002079126A1 Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts
10/10/2002WO2002079121A2 Products for preventing penetration into the skin
10/10/2002WO2002078843A1 Process for preparing a group viii-metal containing catalyst, use thereof for preparing an alkenyl carboxylate
10/10/2002WO2002057251A3 Process for preparing intermediates for the manufacture of discodermolide and discodermolide analogues
10/10/2002WO1998008800A3 Method of producing compounds containing acyloxyalkoxy groups from alcohols
10/10/2002US20020147357 Process for the preparation of perfluorocarboxylic acids
10/10/2002US20020147350 Process for producing isocoumarins and intermediates for the same
10/10/2002EP0923531A3 Method of producing compounds containing acyloxyalkoxy groups from alcohols
10/10/2002DE10117065A1 Verfahren zur Herstellung von C5-Acetat A process for the production of C5-acetate
10/10/2002CA2448322A1 Process for preparing a group viii-metal containing catalyst, use thereof for preparing an alkenyl carboxylate
10/10/2002CA2442934A1 Enantiomerically selective cyclopropanation
10/10/2002CA2442636A1 Selective ring-opening cross-metathesis of cycloolefins
10/10/2002CA2442368A1 Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts
10/10/2002CA2442106A1 Conjugated unsaturated glyceride mixtures and a method for producing the same
10/09/2002EP1247795A1 Process for the production of 2-ethylhexyl acrylate
10/09/2002EP1247794A2 Process for the production of C5-acetate for the synthesis of vitamin A
10/09/2002EP1247793A1 Improved process for the manufacture of 2-ethylhexyl acrylate
10/09/2002EP1102635B1 Method for producing supported catalysts and their use for producing vinyl acetate monomer
10/09/2002EP1100954B1 Continuous process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives
10/09/2002EP1100953B1 CONTINUOUS PROCESS FOR PREPARING OPTICALLY PURE ($i(S))-3-HYDROXY-GAMA-BUTYROLACTONE
10/09/2002EP1100952B1 Process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivatives
10/09/2002EP1100951B1 PROCESS FOR PREPARING OPTICALLY PURE ($i(S))-3-HYDROXY-GAMA-BUTYROLACTONE
10/09/2002CN1373756A Imidazolidine-based metal carbene metathesis catalysts
10/09/2002CN1373744A Method for producing 2-hydroxycarboxylic acid esters
10/09/2002CN1373120A Trihydroxymethylhexane triacrylate and its synthesizing process
10/09/2002CN1373119A Process for synthesis of pentaerythritol tetraheptanoate by catalysis of phosphotungstic acid
10/09/2002CN1373112A Method for producing allyl halide
10/08/2002US6462246 Alkenylating an aromatic hydrocarbon with an olefin in the presence of beta-diketone and rhodium complex catalyst; without use of carboxylic acid such as acetic acid
10/08/2002US6462225 Method for producing 2,2-dimethyl-3-(1-propenyl)cyclopropanecarboxylate ester
10/08/2002US6462224 Cyclization of malonic acid ester, 1,2-diahaloethane and alkali metal coarbonate in presenc eof phase transfer catalyst
10/08/2002US6462206 Catalytic reduction of ketones and aldehydes using organometallic ruthenium complexes
10/08/2002US6462200 Diphosphines
10/08/2002US6462199 Photographic additive
10/08/2002CA2271396C Process for the preparation of shikimic acid and its derivatives
10/08/2002CA2108160C Chiral tridentate bis(phospholane) ligands
10/03/2002WO2002076921A1 Gallic acid derivatives and use for exploring endogenetic coagulation
10/03/2002WO2002076920A1 Metathesis of unsaturated fatty acid esters or unsaturated fatty acids with lower olefins
10/03/2002WO2002076919A1 Method of reaction with soluble metallic catalyst and anion-exchange resin, method of recovering the soluble metallic catalyst, and method of recycling
10/03/2002WO2002076478A1 Bioactivity of methyl palmitate obtained from a mangrove plant salvadora persica l
10/03/2002WO1998008784A3 Method of photocatalytic conversion of c-h organics
10/03/2002US20020143120 Composition of vinyl ether group-containing (meth) acrylic acid ester and production method thereof
10/03/2002CA2442576A1 Bioactivity of methyl palmitate obtained from a mangrove plant salvadora persica l
10/03/2002CA2407779A1 Gallic acid derivatives and use for exploring endogenetic coagulation
10/02/2002EP1245569A1 Process for the production of 5-oxy-7-oxabicyclo- 4.1.0]hept-3-e ne-3-carboxylic acid esters
10/02/2002EP1245550A1 Novel selective deacetylating agents
10/02/2002EP1100768B1 Process for the preparation of r-(-)-carnitine
10/02/2002DE10112358A1 Transition metal complex catalyst for heterogeneous catalysis, comprises a mixed polymer salt consisting of a transition metal complex, a surface active compound and a soluble ionic polymer material
10/02/2002CN1372554A Method for storing quaternary ammonium salt
10/02/2002CN1372538A Method for producing a non-fatty softener based on wax-esters
10/02/2002CN1372537A Process for recovery of organics acids
10/02/2002CN1371899A Process for preparing propyl gallate
10/02/2002CN1091762C Method for producing acetylacetic ester
10/01/2002US6458992 Process and apparatus for the production of butylacetate and isobutylacetate
10/01/2002US6458991 Preparation of (meth)acrylates
10/01/2002US6458989 Preparing pure (meth)acrylic acid or a (meth)acrylate starting from a crude (meth)acrylic acid, which comprises the following stages to remove aldehyde
10/01/2002US6458988 Steps of carrying out a reaction between (meth)acrylic acid and an alkylene oxide and stripping the unreacted residue of the alkylene oxide from the resultant reaction liquid, wherein: (1) the stripping step is performed by use of an
10/01/2002US6458957 α,α-dibromo-α-chloro-acetophenones as synthons
10/01/2002US6458956 One nitroxyl radical (derivative), b) at least one phenol (derivative) and c) at least one chemical compound which contains at least one phosphorus atom which has the oxidation state +3 is preferably used for stabilizing compounds for free
10/01/2002US6458948 Process for producing carboxylic acid derivative and condensing agent comprising quaternary ammonium salt
10/01/2002US6457303 Wide variety of corresponding analogs and homologs.
09/2002
09/26/2002WO2002074725A1 Novel ligands of nuclear receptor superfamily, process for producing the same and use thereof
09/26/2002WO2000068290A3 Poly(3-cyclopropyl-3-hydroxypropionate) and processes for its preparation and derivatives thereof
09/26/2002US20020137978 Using as catalyst ruthenium or osmium carbene complexes containing an imidazolidine ligand
09/26/2002US20020137974 Catalysis using phosphine oxide and sulfoxide compounds
09/26/2002US20020137966 Reacting dibenzyl ethers with carboxylic acids in the presence of heteropolyacids as catalysts; making benzyl acetate
09/26/2002US20020137964 Process for the preparation of a saturated carboxylic acid ester
09/26/2002US20020137660 Reacting an alkylcarboxylic acid with allyl alcohol using an acid catalyst, where an alkylcarboxylic allyl ester is added at the start of the reaction; fruity, pineapple-like perfumes and oils
09/26/2002US20020137640 Method for producing ester
09/26/2002US20020134662 Dewatering process
09/26/2002DE10114565A1 Verbesserte Esterherstellung Improved ester production
09/26/2002DE10113964A1 Verfahren zur Herstellung von Alkylcarbonsäureallylestern A process for preparing Alkylcarbonsäureallylestern
09/25/2002EP1243642A2 Process for the production of alkylcarboxylic acid allyl esters
09/25/2002EP1243575A2 Preparation of esters in the presence of onium salts
09/25/2002EP1243330A1 Production of unsaturated acids or esters thereof and catalysts therefor
09/25/2002EP1242357A1 Method for preparing a lactic acid ester composition and use thereof as solvent
09/25/2002EP1242051A1 Novel forms of pravastatin sodium
09/25/2002EP0986529B1 Process for the preparation of 1,3-dicarbonyl compounds
09/25/2002CN1371353A Process for producing vic-dichloro acid fluoride
09/25/2002CN1371350A Vapor phase carbonylation process using promoted iridium catalyst
09/25/2002CN1371349A Vapor phase carbonylation process using promoted iridium catalyst
09/24/2002US6455743 Vapor phase catalytic hydrogenation of aldehyde mixtures; by-product inhibition; esterification; aldol condensation
09/24/2002US6455728 Reacting methyl-3-oxopentanoate wtih hydrogen fluoride in presence of oxygen; by-product inhibition; chemical intermediates for producing pharmaceuticals
09/24/2002US6455725 Such as methyl-4-chloro-2-(3-methoxy-3-oxo-1-propenyl)-benzoate; insecticide precursors
09/24/2002US6455716 Isomerization with catalyst comprising crystalline porous structure (zeolite) with metal (group viii) incorporated therein
09/24/2002US6455460 Ruthenium catalysts and method for making same
09/24/2002US6454541 Method for transferring easily-polymerizable substance
09/19/2002WO2002072644A1 Solid-phase-supported transition metal catalysts
09/19/2002WO2002072643A1 Polymer-supported arylbis(perfluoroalkylsulfonyl)-methane
09/19/2002WO2002072540A2 Improved methods of ortho alkylation
09/19/2002WO2002072531A1 Chain oligolactic acid ester
09/19/2002WO2002072528A1 Fluorinated trienes and their use as rxr modulators
09/19/2002WO2002072525A1 Process for producing bicyclocarboxylic acid derivative
09/19/2002WO2002072524A2 Method for producing vinyl, aryl and heteroaryl acetic acids and derivatives thereof
09/19/2002WO2002072518A2 Method for producing monocarbonyl compounds or biscarbonyl compounds or hydroxyl compounds
09/19/2002WO2002072511A1 'convenient and efficient suzuki-miyaura cross-coupling catalyzed by a palladium/diazabutadiene system'
09/19/2002WO2002010110A3 Method for producing tertiary c4-c8-alkyl esters of (meth)acryl acid and a falling film evaporator involved therein
09/19/2002US20020133043 Method for production of oxygen-containing aromatic compound
09/19/2002US20020133041 Process for preparing unsaturated carboxylic esters
09/19/2002US20020133039 Reduction in presence of organtin hydride and Lewis acids