Patents for C07B 41 - Formation or introduction of functional groups containing oxygen (3,087) |
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07/20/1994 | EP0606934A1 Hydrolysis of activated olefins |
07/06/1994 | CN1088851A Process for the carbonylation of acetylenically unsaturated compounds |
06/14/1994 | US5321166 Method for the production of aldehydes |
06/08/1994 | EP0600020A1 Asymmetric syntheses. |
06/01/1994 | EP0599688A1 Process for O-alkylation of phenolic compounds |
05/25/1994 | CN1024658C Process for carbonylation of acetylenically unsaturated compounds |
05/24/1994 | US5315018 Process for the functionalization of organic molecules |
05/17/1994 | US5312964 3-/Alkoxycarbonylvinyl/2,2-dimethylcyclopropanecarboxylates |
05/11/1994 | EP0596684A1 Preparation of substituted aryl compounds |
05/10/1994 | US5310944 Caprolactone from cyclohexanone, organoarsinic acid catalyst that can be reused |
05/04/1994 | EP0594573A1 Preparation of propenoic acid derivatives |
04/27/1994 | EP0594014A1 Process for the production of magnesium-halide-aluminium-hydridohalide |
04/26/1994 | US5306845 Method for producing an aldehyde |
04/05/1994 | US5300708 Process for the catalytic hydrogenation of organic compounds in the gas phase |
03/31/1994 | WO1994006736A1 Sensitized photooxygenation process of unsaturated compounds |
03/29/1994 | US5298472 For hydrocarbons |
03/17/1994 | DE4328060A1 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 |
03/16/1994 | EP0587471A1 Use of carbohydrates in the solid state as chiral supports for chemical reactions |
03/15/1994 | US5294732 Polysubstituted fullerenes and their preparation |
03/08/1994 | US5292946 In-situ preparation of diisopinocamphenyl chloroborane |
03/08/1994 | US5292941 Method for ozonizing unsaturated fatty acids or lower alkyl esters thereof and method for the oxidative decomposition of ozonized products |
03/08/1994 | US5292910 Use of hydrophobized hydrotalcites as catalysts for ethoxylation or propoxylation |
03/08/1994 | US5292893 Catalytic asymmetric and non-asymmetric reduction of times and oximes using metal catalysts |
03/08/1994 | CA1327607C Method for oxidizing unsaturated aromatic compounds |
03/08/1994 | CA1327603C Process for preparing tertiary and secondary alcohols by reaction of an organo-manganous compound with a carbonyl group containing compound |
02/23/1994 | EP0583429A1 Highly reactive form of copper and reagents thereof |
02/15/1994 | US5286878 Catalytic reduction of organic carbonyls |
02/03/1994 | WO1994002245A1 Catalysts and their use in oxidation of satured hydrocarbons |
02/03/1994 | DE4225136A1 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. |
02/02/1994 | EP0580619A1 Process for producing hydrophobised double-layer hydroxide compounds. |
02/01/1994 | US5283360 Selective epoxidation of unsaturated (meth)acrylates, new functional (meth)acrylates, and polymers thereof |
01/19/1994 | CN1080915A Preparation process for esters of 2,2-dimethyl 3-((z) 1-propenyl) cyclopropane carboxylic acid and intermediates |
01/12/1994 | EP0577990A2 Method of catalytically hydrogenating organic compounds in gasphase and heat exchanger used in the process |
01/06/1994 | WO1994000407A1 Process for the oxidation of aromatic methyl groups |
01/06/1994 | CA2138943A1 Process for the oxidation of aromatic methyl groups |
01/05/1994 | EP0577583A1 Process for preparing granular esters |
12/28/1993 | US5274172 An alkali salt of a benzoyloxybenzenesulfonate by reacting an alkali phenol sulfonate salt with excess benzoyl chloride; stepwise addition and moderate stirring |
12/25/1993 | CA2099096A1 Process for preparing granular esters |
12/09/1993 | WO1993024263A1 Highly reactive zerovalent metals from metalcyanides adapted for preparation of organometallic compounds |
12/08/1993 | EP0573361A1 Process for the preparation of esters of 2,2-dimethyl-3-((Z)-2-(alkoxycarbonyl)ethenyl)cyclopropanecarboxylic acid and intermediates |
12/07/1993 | US5268521 Catalyst for selective hydrogenation reaction |
11/25/1993 | WO1993023408A1 Enantioselective oxazaborolidine catalysts |
11/23/1993 | US5264609 Preparation of propenoic acid derivatives |
11/17/1993 | CN1078459A Process for the manufacture of aldehydes |
11/11/1993 | WO1993022266A1 Alkoxylation process |
11/11/1993 | CA2134210A1 Alkoxylation process |
10/27/1993 | EP0398954B1 Hydroformylation process for producing aldehydes |
10/20/1993 | EP0566459A1 Reagent and catalytic process for cleaving protected functional groups |
10/20/1993 | EP0379515B1 Low pressure rhodium catalyzed hydroformylation of olefins |
10/19/1993 | US5254782 Reacting conjugated diene with compound containing active hydrogen in liquid phase in presence of group 8 compound catalst and promoter |
10/19/1993 | US5254740 Oxidation of alkane |
10/16/1993 | CA2093989A1 Reagent and catalytic process for clearing a protected function |
10/12/1993 | US5252758 In presence of titanium silicate and water,alcohol solvents |
10/07/1993 | DE4210733A1 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) |
10/06/1993 | EP0564406A1 Ferrocenyldiphosphine as ligands for homogeneous catalysts |
10/06/1993 | EP0564169A1 Metal phthalocyanine oxidation catalysts |
10/03/1993 | CA2091742A1 Metal phthalocyanine oxidation catalysts |
09/30/1993 | DE4209358A1 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 |
09/08/1993 | EP0559034A2 Process for the preparation of aldehydes |
09/08/1993 | EP0558656A1 New methods for the catalytic reduction of organic substrates. |
09/04/1993 | CA2089973A1 Process for the manufacture of aldehydes |
09/01/1993 | EP0558415A1 Method of improving a smooth oxidation reaction |
08/28/1993 | CA2090375A1 Method for enhancing an oxidation reaction |
08/25/1993 | EP0557167A1 Preparation of fluorinated functional compounds |
08/18/1993 | EP0555472A1 Process for ozonizing unsaturated fatty acid or lower alkyl ester thereof and oxidative decomposition of the resulting ozonide |
08/18/1993 | CN1075313A Preparation of fluorinated functional compounds |
08/13/1993 | CA2087390A1 Preparation of fluorinated functional compounds |
08/04/1993 | EP0554134A1 Process for preparing carboxylic acid halogenides and a reaction agent therefor |
08/03/1993 | US5233097 Oxidation of aromatics to hydroxyaromatics using aluminosilicates containing framework titanium |
07/27/1993 | US5231221 Process for the preparation of acylals |
07/13/1993 | US5227538 Catalytic asymmetric reduction of ketones using metal catalysts |
06/30/1993 | EP0549013A1 Process for oxidizing organic compounds with hydrogen peroxide produced in an anthraquinone redox process |
06/30/1993 | EP0548774A1 Process for producing a lactone or an ester |
06/30/1993 | EP0548399A1 Process for the production of oxyacids from carbohydrates |
06/30/1993 | CN1021435C Impurity removal from carbon monoxide and/or hydrogen-containing streams |
06/24/1993 | CA2065492A1 Process for the production of oxyacids from carbohydrates |
06/23/1993 | EP0547971A1 Method of hydroxylation of activated aromatic molecules |
06/15/1993 | US5220020 Catalytic reduction of organic carbonyls using metal catalysts |
06/10/1993 | WO1993010897A1 Method of producing alkaline-earth phosphates containing hydrophobic groups |
05/27/1993 | DE4138631A1 Hydrophobierte erdalkaliphosphate Hydrophobic and alkaline earth |
05/25/1993 | US5214151 Method for the preparation of α, β-unsaturated ketones |
05/19/1993 | EP0542366A1 Process for the telomerization of conjugated alkadienes |
05/18/1993 | CA1317976C Process for the production of acylated diketonic compounds |
05/11/1993 | US5210280 Reaction of unsaturated acid derivative with carbon monoxide and nucleopile |
05/05/1993 | EP0540311A1 Polysubstituted fullerenes and their preparation |
05/04/1993 | US5208199 Catalyst of rare earth and phosphorus-containing xerogels for alkoxylation process |
04/29/1993 | CA2079957A1 Polysubstituted fullerenes and their preparation |
04/28/1993 | CN1071431A Asymmetric syntheses |
03/30/1993 | CA1315295C Asymmetric hydrogenolysis of epoxides |
03/10/1993 | EP0530469A1 Process for the preparation of organic compounds carrying tert.-butoxycarbonyl groups |
03/10/1993 | EP0530454A1 Process for the preparation of alkylphenyl alkyl ethers of alkylphenyl alkyl thioethers |
03/04/1993 | WO1993003839A1 Asymmetric syntheses |
03/04/1993 | DE4128827A1 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 |
03/02/1993 | US5191104 Alkoxylation of carboxylated compounds |
02/23/1993 | CA1313876C Optically active iridium complexes and their use |
02/18/1993 | WO1993002991A1 Process for ozonizing unsaturated fatty acid or lower alkyl ester thereof and oxidative decomposition of the resulting ozonide |
01/21/1993 | DE4222833A1 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. |
01/20/1993 | EP0523461A2 Process for the saponification of aminoacid-/peptide ester |
01/20/1993 | EP0523089A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation. |
01/16/1993 | CA2073818A1 Transesterification and other conversion reactions of acid derivatives, using an amidine |