Patents
Patents for C07B 41 - Formation or introduction of functional groups containing oxygen (3,087)
07/1994
07/20/1994EP0606934A1 Hydrolysis of activated olefins
07/06/1994CN1088851A Process for the carbonylation of acetylenically unsaturated compounds
06/1994
06/14/1994US5321166 Method for the production of aldehydes
06/08/1994EP0600020A1 Asymmetric syntheses.
06/01/1994EP0599688A1 Process for O-alkylation of phenolic compounds
05/1994
05/25/1994CN1024658C Process for carbonylation of acetylenically unsaturated compounds
05/24/1994US5315018 Process for the functionalization of organic molecules
05/17/1994US5312964 3-/Alkoxycarbonylvinyl/2,2-dimethylcyclopropanecarboxylates
05/11/1994EP0596684A1 Preparation of substituted aryl compounds
05/10/1994US5310944 Caprolactone from cyclohexanone, organoarsinic acid catalyst that can be reused
05/04/1994EP0594573A1 Preparation of propenoic acid derivatives
04/1994
04/27/1994EP0594014A1 Process for the production of magnesium-halide-aluminium-hydridohalide
04/26/1994US5306845 Method for producing an aldehyde
04/05/1994US5300708 Process for the catalytic hydrogenation of organic compounds in the gas phase
03/1994
03/31/1994WO1994006736A1 Sensitized photooxygenation process of unsaturated compounds
03/29/1994US5298472 For hydrocarbons
03/17/1994DE4328060A1 Unsatd. beta-oxy-carboxylic acid halide prepn. - from enol cpd. and oxalyl halide in 3 stages, used as intermediate for drugs, plant protectants, dyes or polymers
03/16/1994EP0587471A1 Use of carbohydrates in the solid state as chiral supports for chemical reactions
03/15/1994US5294732 Polysubstituted fullerenes and their preparation
03/08/1994US5292946 In-situ preparation of diisopinocamphenyl chloroborane
03/08/1994US5292941 Method for ozonizing unsaturated fatty acids or lower alkyl esters thereof and method for the oxidative decomposition of ozonized products
03/08/1994US5292910 Use of hydrophobized hydrotalcites as catalysts for ethoxylation or propoxylation
03/08/1994US5292893 Catalytic asymmetric and non-asymmetric reduction of times and oximes using metal catalysts
03/08/1994CA1327607C Method for oxidizing unsaturated aromatic compounds
03/08/1994CA1327603C Process for preparing tertiary and secondary alcohols by reaction of an organo-manganous compound with a carbonyl group containing compound
02/1994
02/23/1994EP0583429A1 Highly reactive form of copper and reagents thereof
02/15/1994US5286878 Catalytic reduction of organic carbonyls
02/03/1994WO1994002245A1 Catalysts and their use in oxidation of satured hydrocarbons
02/03/1994DE4225136A1 Narrow range alkoxylate nonionic surfactant prodn. - by alkoxylation of cpds. contg. active hydrogen or ester using metal alcoholate activated with organic carboxylic acid as homogeneous catalyst.
02/02/1994EP0580619A1 Process for producing hydrophobised double-layer hydroxide compounds.
02/01/1994US5283360 Selective epoxidation of unsaturated (meth)acrylates, new functional (meth)acrylates, and polymers thereof
01/1994
01/19/1994CN1080915A Preparation process for esters of 2,2-dimethyl 3-((z) 1-propenyl) cyclopropane carboxylic acid and intermediates
01/12/1994EP0577990A2 Method of catalytically hydrogenating organic compounds in gasphase and heat exchanger used in the process
01/06/1994WO1994000407A1 Process for the oxidation of aromatic methyl groups
01/06/1994CA2138943A1 Process for the oxidation of aromatic methyl groups
01/05/1994EP0577583A1 Process for preparing granular esters
12/1993
12/28/1993US5274172 An alkali salt of a benzoyloxybenzenesulfonate by reacting an alkali phenol sulfonate salt with excess benzoyl chloride; stepwise addition and moderate stirring
12/25/1993CA2099096A1 Process for preparing granular esters
12/09/1993WO1993024263A1 Highly reactive zerovalent metals from metalcyanides adapted for preparation of organometallic compounds
12/08/1993EP0573361A1 Process for the preparation of esters of 2,2-dimethyl-3-((Z)-2-(alkoxycarbonyl)ethenyl)cyclopropanecarboxylic acid and intermediates
12/07/1993US5268521 Catalyst for selective hydrogenation reaction
11/1993
11/25/1993WO1993023408A1 Enantioselective oxazaborolidine catalysts
11/23/1993US5264609 Preparation of propenoic acid derivatives
11/17/1993CN1078459A Process for the manufacture of aldehydes
11/11/1993WO1993022266A1 Alkoxylation process
11/11/1993CA2134210A1 Alkoxylation process
10/1993
10/27/1993EP0398954B1 Hydroformylation process for producing aldehydes
10/20/1993EP0566459A1 Reagent and catalytic process for cleaving protected functional groups
10/20/1993EP0379515B1 Low pressure rhodium catalyzed hydroformylation of olefins
10/19/1993US5254782 Reacting conjugated diene with compound containing active hydrogen in liquid phase in presence of group 8 compound catalst and promoter
10/19/1993US5254740 Oxidation of alkane
10/16/1993CA2093989A1 Reagent and catalytic process for clearing a protected function
10/12/1993US5252758 In presence of titanium silicate and water,alcohol solvents
10/07/1993DE4210733A1 Oxidn. of electron-deficient olefin(s) using osmium cpds. - e.g. to produce 1,2-diol(s) or 1,2-di-ketone(s) or to stereospecifically cis hydroxylate cyclic olefin(s)
10/06/1993EP0564406A1 Ferrocenyldiphosphine as ligands for homogeneous catalysts
10/06/1993EP0564169A1 Metal phthalocyanine oxidation catalysts
10/03/1993CA2091742A1 Metal phthalocyanine oxidation catalysts
09/1993
09/30/1993DE4209358A1 Polyether alcohol(s) prodn. based on solid or highly viscous starters - by reacting with alkylene oxide in presence of basic catalyst, hydrogen functional co-initiator, and aliphatic amine to suppress side reactions
09/08/1993EP0559034A2 Process for the preparation of aldehydes
09/08/1993EP0558656A1 New methods for the catalytic reduction of organic substrates.
09/04/1993CA2089973A1 Process for the manufacture of aldehydes
09/01/1993EP0558415A1 Method of improving a smooth oxidation reaction
08/1993
08/28/1993CA2090375A1 Method for enhancing an oxidation reaction
08/25/1993EP0557167A1 Preparation of fluorinated functional compounds
08/18/1993EP0555472A1 Process for ozonizing unsaturated fatty acid or lower alkyl ester thereof and oxidative decomposition of the resulting ozonide
08/18/1993CN1075313A Preparation of fluorinated functional compounds
08/13/1993CA2087390A1 Preparation of fluorinated functional compounds
08/04/1993EP0554134A1 Process for preparing carboxylic acid halogenides and a reaction agent therefor
08/03/1993US5233097 Oxidation of aromatics to hydroxyaromatics using aluminosilicates containing framework titanium
07/1993
07/27/1993US5231221 Process for the preparation of acylals
07/13/1993US5227538 Catalytic asymmetric reduction of ketones using metal catalysts
06/1993
06/30/1993EP0549013A1 Process for oxidizing organic compounds with hydrogen peroxide produced in an anthraquinone redox process
06/30/1993EP0548774A1 Process for producing a lactone or an ester
06/30/1993EP0548399A1 Process for the production of oxyacids from carbohydrates
06/30/1993CN1021435C Impurity removal from carbon monoxide and/or hydrogen-containing streams
06/24/1993CA2065492A1 Process for the production of oxyacids from carbohydrates
06/23/1993EP0547971A1 Method of hydroxylation of activated aromatic molecules
06/15/1993US5220020 Catalytic reduction of organic carbonyls using metal catalysts
06/10/1993WO1993010897A1 Method of producing alkaline-earth phosphates containing hydrophobic groups
05/1993
05/27/1993DE4138631A1 Hydrophobierte erdalkaliphosphate Hydrophobic and alkaline earth
05/25/1993US5214151 Method for the preparation of α, β-unsaturated ketones
05/19/1993EP0542366A1 Process for the telomerization of conjugated alkadienes
05/18/1993CA1317976C Process for the production of acylated diketonic compounds
05/11/1993US5210280 Reaction of unsaturated acid derivative with carbon monoxide and nucleopile
05/05/1993EP0540311A1 Polysubstituted fullerenes and their preparation
05/04/1993US5208199 Catalyst of rare earth and phosphorus-containing xerogels for alkoxylation process
04/1993
04/29/1993CA2079957A1 Polysubstituted fullerenes and their preparation
04/28/1993CN1071431A Asymmetric syntheses
03/1993
03/30/1993CA1315295C Asymmetric hydrogenolysis of epoxides
03/10/1993EP0530469A1 Process for the preparation of organic compounds carrying tert.-butoxycarbonyl groups
03/10/1993EP0530454A1 Process for the preparation of alkylphenyl alkyl ethers of alkylphenyl alkyl thioethers
03/04/1993WO1993003839A1 Asymmetric syntheses
03/04/1993DE4128827A1 Catalytic alkoxylation of fatty alcohol(s) and other fat derivs. - by passing down falling-film reactor in contact with parallel stream of alkylene oxide, esp. ethylene oxide
03/02/1993US5191104 Alkoxylation of carboxylated compounds
02/1993
02/23/1993CA1313876C Optically active iridium complexes and their use
02/18/1993WO1993002991A1 Process for ozonizing unsaturated fatty acid or lower alkyl ester thereof and oxidative decomposition of the resulting ozonide
01/1993
01/21/1993DE4222833A1 Prodn. of monomer-free ethoxylate(s) without working-up - by introducing ethylene oxide into reactor contg. catalyst and substrate, blowing inlet pipe clear with nitrogen@ etc.
01/20/1993EP0523461A2 Process for the saponification of aminoacid-/peptide ester
01/20/1993EP0523089A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation.
01/16/1993CA2073818A1 Transesterification and other conversion reactions of acid derivatives, using an amidine
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