Patents
Patents for C07C 45 - Preparation of compounds having co groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds (38,929)
12/1991
12/24/1991US5075009 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
12/21/1991CA2045079A1 Conjugated diene compounds
12/19/1991DE4030061A1 Prepn. of benzyl ketone derivs. for fungicidal intermediates - by reacting benzyl chloride derivs. with zinc powder, removing excess zinc and reacting prod. with acid chloride
12/18/1991EP0461972A1 Process for the conversion of N-tertiary amine oxides into aldehydes
12/18/1991EP0461483A2 Method for the production of benzyl ketones
12/17/1991US5073659 Process for the preparation of terpenes
12/17/1991US5073538 Cycloalkylidene derivatives and fragrance composition
12/17/1991CA1293259C Inosose derivatives, production and use thereof
12/12/1991WO1991018969A1 Fluorinated bis(hydroxymethyl)cyclobutyl purines and pyrimidines
12/12/1991WO1991018861A1 2-(hydroxymethyl) acrylate derivatives and process for their preparation
12/12/1991WO1991018860A1 Process for producing ketone compounds
12/12/1991WO1991004754A3 Illudin analogs as anti-tumor agents
12/12/1991CA2044200A1 Process for changing testiary amine n-oxides to aldehydes
12/11/1991EP0460932A2 Method for preparing acrolein or methacrolein
12/11/1991EP0460870A2 Method for preparing methacrolein
12/11/1991EP0460465A2 Process for the preparation of styrene derivatives having a double bond in an ethylene-extended chain and ethylene-extended styrene derivatives
12/11/1991EP0460240A1 Catalyst for hydrogenation, dehydrosilylation or hydrosilylation, and its use
12/11/1991EP0452411A4 Acid catalyzed process
12/11/1991CN1056867A Process for preparation of ketones
12/11/1991CN1056865A Calalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same
12/10/1991US5072069 Cycloolefinic complexes of platinum, processes for preparing the same and their use as a catalyst
12/10/1991US5072066 Inhibiting popcorn polymer formation with esters of inorganic acids
12/10/1991US5072065 Inhibiting popcorn polymer formation with alkyl halides
12/10/1991US5072064 Divinyl compound
12/10/1991US5072058 Process for the preparation of 2,2-dimethylpropane-1,3-diol
12/10/1991US5072057 Isomeric alcohol mixture for producing plasticizers and surfac tants
12/10/1991US5072052 Process for the production of acrolein by catalytic gas-phase oxidation of propene
12/10/1991US5072051 Reacting methyl ethyl ketone and paraformaldehyde using secondary amine hydrohalide, carboxylic acid and/or solid non-soluble oxide catalyst
12/10/1991US5072050 Ketone-terminated polyoxyalkylene compounds
12/10/1991US5072038 Chemical intermediates for bactericides
12/10/1991US5072037 Aldol condensation, hydrogenation, dehydration, hydroformylati on, oxidation; purity, by-product inhibition, pollution contro l
12/10/1991US5072025 Process for the production of 3,5-disubstituted-4-acetoxystyrene
12/10/1991US5072023 Process for preparing highly substituted phenyls
12/10/1991US5072019 Process for the manufacture of 4-(2-butenylidene)-3,5,5-trimethyl-2-cyclohexen-1-one
12/10/1991US5072008 Manufacture of lactol derivatives
12/10/1991US5071988 Antiu lcer agents, antiallergens cytoprotective agents
12/10/1991US5071898 Chlorinated vinyl and polyolefin resin; heat resistance
12/10/1991US5071853 Amine-substituted hexahydroindeno(2,1-b)pyrroles, -indeno(2,1-c)pyridines or -indeno(2,1-d)azepines; cerebral ischemia or infarction
12/10/1991US5071572 Production of alcohols
12/04/1991EP0459861A1 Oxidising activation of carbon-hydrogen bonds by hydrogen peroxide, medium and process for carrying it out
12/04/1991EP0459729A1 Catalyst for production of substituted benzaldehyde, method for production of the catalyst, and method for production of substituted benzaldehyde
12/04/1991EP0459530A1 Alkyl-substituted phenylcarbamate derivative of polysaccharide
12/04/1991EP0459495A2 Process for the acylation of naphthylethers with the aid of zeolite-catalysts
12/04/1991EP0459258A2 Process for the preparation of olefinic and acetylenic compounds
12/04/1991CN1056680A Oxidant sensitive and insensitive aromatic esters as inhibitors of human neutrophil elastase
12/04/1991CN1056678A Catalysts and processes useful in producing 1,3-diols and/or 3-hydroxyaldehydes
12/03/1991US5070212 Intermediates useful for the synthesis of delphinidin chloride
12/03/1991US5070207 Phospholipase A2 inhibitors
12/03/1991US5070103 Naphthalene derivatives and composition and methods of use, and aldehyde intermediates
12/03/1991US5070100 Complications of diabetes
12/03/1991US5070073 Substituted cyclopentenyl-oxabicyclooctanes, cyclopentenyl-formylcyclohexenes and cyclopentenyl-hydroxymethyl cyclohexenes, processes for preparing same and organoleptic uses thereof
12/03/1991CA1292753C Process for the hydroformylation of sulfur-containing thermally cracked petroleum residua
12/03/1991CA1292747C Aralykyl (arylethynyl) aralkyl amines and their use as vasodilators and antihypertensives
12/03/1991CA1292743C Complex-forming polymers
12/01/1991CA2043529A1 Oxidatively activating of carbon-hydrogen bonds with hydrogen peroxide; medium and process therefor
11/1991
11/28/1991WO1991005754A3 Derivatives of long-chain fatty alcohols and their applications, in particular as cytotrophic and cytoprotective molecules, and pharmaceutical compositions containing same
11/27/1991EP0458684A1 Reagent and process for the perfluoroalkylation of nucleophilic substrates by sodium perfluoroalkanesulfinates in an oxidising medium
11/27/1991EP0458643A2 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/27/1991EP0458363A1 Fluorinated bis(hydroxymethyl) cyclobutyl purines and pyrimidines
11/27/1991EP0458216A1 Method for producing methyl isobutyl ketone
11/27/1991EP0457912A1 METHOD FOR THE PREPARATION OF $g(a),$g(b)-UNSATURATED KETONES
11/27/1991CN1056485A Process for preparing cycloalkanone and/or cycloalkanol
11/26/1991WO1991018862A1 Process for producing 1,4-bis-(fluorbenzoyl)-benzol
11/26/1991US5068464 Process for the oxidation of hydrocarbons utilizing partitioning of oxidizing gas
11/26/1991US5068462 Fluorine-substituted compound containing ether bond and intermediate thereof
11/26/1991US5068461 Insecticidal ethers
11/26/1991US5068458 Chemical process for halogenating 2-methyl-6-methoxynaphthalene
11/26/1991US5068457 Multistage process of etherification of an aromatic diol with an aryl alkyl ketone to form an arylene ether dicarbonyl addu ct and oxidizing followed by saponification
11/26/1991US5068453 Novel monoterpenes
11/26/1991US5068452 Aromatic aldehydes and their derivatives
11/26/1991US5068451 Oxidation of allyloxybenzene derivatives in the presence of palladium compounds
11/26/1991US5068450 Formylation of aromatic compounds in the presence of boron trifluoride
11/26/1991US5068449 Chemical intermediates for drugs, agricultural products, bactericides, such as fluorinated pyridone carboxylic acids
11/26/1991US5068448 Process for the production of 4'-isobutylacetophenone
11/26/1991US5068447 Friedel-crafts preparation of aromatic ketones with an inoganic salt controlling agent
11/26/1991US5068408 Oxidation of alcohols, thiols, sulfides, aldehydes, amines, ketones, acids, amides, ethers, esters and activated carbon-carb on double bonds
11/26/1991US5068390 1,1,1-trifluoro-2-propene compounds
11/26/1991US5068364 Antiulcer agents, antiallergens
11/26/1991US5068252 Acids, esters, amides, alcohol and ether derivatives
11/26/1991CA2083715A1 Process for the preparation of 1,4-bis(4-fluorobenzoyl)-benzene
11/25/1991CA2042931A1 Fluorinated bis (hydroxymethyl) cyclobutyl purines and pyrimidines
11/25/1991CA2041950A1 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/23/1991CA2042904A1 Oxidant sensitive and insensitive aromatic esters as inhibitors or human neutrophil elastase
11/21/1991EP0457665A1 Process for the catalytic condensation of carboxylic acids and/or their derivatives and its application for the preparation of ketones, alcohols, amines and amides
11/21/1991EP0457387A2 Process for the preparation of ketones
11/21/1991EP0457149A1 Process of producing dichloroacetaldehyde trimer
11/21/1991EP0456932A1 Propanol derivatives and perfumes containing the same
11/21/1991EP0456837A1 Process for producing methacrolein and methacrylic acid
11/21/1991EP0427782A4 Terminal chlorination of normal alkane hydrocarbons
11/19/1991US5066795 Reagent for perfluoroalkylation, heterocyclic sulfur or selenium compounds
11/19/1991CA1292246C Process for the preparation of aldehydes
11/13/1991EP0456608A2 Essentially linear polymers
11/13/1991EP0456287A1 New sulfonyl compound and use of said compound in the process of producing vitamin A or its esters
11/13/1991EP0456040A1 Copolymerisable photoinitiators of the benzil ketal type
11/13/1991EP0455826A1 Substituted open-chain terpene compound
11/13/1991EP0455822A1 Open-chain terpene compound
11/12/1991US5064508 Process for the separation of 2-methylalkanals from isomers thereof
11/12/1991CA1291993C 1-vinyl isoquinoline compounds
11/12/1991CA1291991C Antioestrogenic phenol derivatives
11/09/1991CA2041885A1 Essentially linear polymers