Patents for C07B 31 - Reduction in general (2,354)
10/1982
10/12/1982CA1133458A1 Hydrogenation catalyst
10/06/1982EP0061880A1 Process for preparing racemized cyclopropanecarboxylic acids
10/06/1982EP0061720A1 Process for the selective aliphatic chlorination of alkylbenzenes
10/06/1982EP0061711A1 10B-Carboxyamino boranes, process for their preparation and their use as medicaments in the neutron-capture therapy
10/05/1982CA1133015A1 Preparation of amines
10/05/1982CA1133007A1 Halogenating reagents
09/1982
09/29/1982EP0061408A1 Chiral monoalkyl boranes
09/29/1982EP0061029A1 Process for the preparation of trichloromethyl-substituted aromatic compounds
09/28/1982US4351765 Process for the production of compounds having in the molecule at least one β-sulfatoethyl-sulfone group and at least one sulfonic acid group
09/28/1982CA1132597A1 Method of stabilization of novel halogenation compounds
09/28/1982CA1132560A1 Process for inverting the configuration in optically active compounds and new optically active intermediates required therefor and the salts thereof
09/28/1982CA1132482A1 Isotope separation by selective dissociation of trifluoromethane with an infrared laser
09/22/1982EP0060466A1 Method for optical resolution of 2-(4-chlorophenyl)-3-methyl-butanoic acid
09/21/1982CA1132126A1 Supported nickel-cobalt-silica coprecipitated hydrogenation catalyst
09/15/1982EP0060171A1 Process for the N-alkylation of organic nitrogen compounds
09/14/1982CA1131660A1 METHOD FOR RESOLVING RACEMIC 6-METHOXY-.alpha.-METHYL-2-NAPHTHALENEACETIC ACID INTO ITS ENANTIOMERS
09/14/1982CA1131608A1 Resin-ligand-transition-metal-complex composition and processes for using this composition as catalyst
09/07/1982US4348265 Process for the selective aliphatic chlorination of alkylbenzenes
09/07/1982CA1131249A1 Process for the preparation of optically active aryloxyalkanoic acid compounds
08/1982
08/24/1982CA1130311A1 PROCESS FOR THE TRANSFORMATION OF AN ESTER OF CHIRAL ACID AND OF AN OPTICALLY ACTIVE .alpha.-CYANATED SECONDARY ALCOHOL OF (R) STRUCTURE TO AN ESTER OF CHIRAL ACID AND OF AN .ALPHA.-CYANATED SECONDARY ALCOHOL OF (S) STRUCTURE
08/17/1982US4345103 Synthesis gas, alcohol formation
08/17/1982US4345090 Esterification
08/17/1982CA1129876A1 Method of purifying readily polymerisable vinyl monomers
08/10/1982US4343745 Complexing with a teriary amine ether
08/10/1982US4343744 Process for separating a specified component contained in a mixture of multiple fatty components from the mixture thereof
08/10/1982CA1129418A1 Coupling of aryl and heteroaryl polyhalides
08/03/1982US4342704 By reaction of an aldehyde with a dichloromethane phosphonic acid ester
07/1982
07/22/1982WO1982002321A1 (+)-4-substituted-2-indanols and insecticidal ester derivatives
07/20/1982US4340751 Method of optical resolution of (±)-2-amino-1-butanol and/or (±)-mandelic acid
07/20/1982US4340569 Treatment of carbonylation residues
07/20/1982CA1128058A1 Process for the preparation of ethers with organic residues carrying chiral atoms and application to dividing alcohols, phenols and lactonic structure compounds
07/07/1982EP0055487A1 Preparation of rhodium complex compounds
06/1982
06/29/1982US4337352 Salt formation with optically active amine
06/22/1982CA1176029B Method of synthesizing zincosilicate or stannosilicate or titanosilicate material
06/22/1982CA1125991A1 Method of synthesizing zincosilicate or stannosilicate or titanosilicate material
06/15/1982US4335057 4-(2',2,2'-Trihalogenoethyl)-cyclobutane-1-sulfonic acid salts with optically active bases
06/15/1982US4335055 Process for the preparation of alkenylbenzene derivatives or alkenylnaphthalene derivatives
06/15/1982US4335052 Oxidation of corresponding benzyl halide with teritary amine oxidein presence of water
06/09/1982EP0053347A2 Radioactive diagnostic agent and non-radioactive carrier therefor
06/08/1982US4334073 Basic catalysts, deacetylation, esterification
06/08/1982US4333950 Miticides
06/08/1982CA1125309A1 Process for preparing benzene derivatives by reaction of an activated halobenzene with an oxygen- or sulfur-containing anionic organic reagent
06/08/1982CA1125302A1 Preparation of trifluoromethylphenyl nitrophenylethers
06/01/1982CA1124735A1 Preparation of 2-aryl-propionic acids by direct coupling utilizing a mixed magnesium halide complex
05/1982
05/25/1982US4331613 Process for the preparation of trifluoromethylnaphthalenes
05/25/1982US4331592 Process for the preparation of carboxylic acid amides and peptides
05/18/1982US4330484 Diastereomeric salts of malic acid and 2-aminobutanol, and process for the resolution of rademis maic acid
05/18/1982US4330482 Process for the preparation of halogenoalkenes
05/11/1982US4329487 A platinum-alumina catalyst modified with a cinchona alkaloid
05/11/1982US4329328 Method of synthesizing zincosilicate or stannosilicate or titanosilicate material
05/11/1982CA1123375A1 Flocculating polymers and monomers
05/04/1982US4328356 Process for preparing esters of arylacetic acids from alpha-halo-alkylarylketones
05/04/1982US4328167 Process for the preparation of optically active cyano alcohols
04/1982
04/27/1982US4327235 Method for preferential hydrogenation of terminal methylene group in compound possessing terminal methylene group
04/27/1982US4326932 Hydrogenation
04/27/1982CA1122603A1 Process for the preparation of arylacetic acid derivatives
04/14/1982EP0049448A2 Beta-lactam antibiotics, process for their preparation and compositions containing them
04/13/1982CA1121813A1 Asymmetric synthesis of chrysanthemate
04/06/1982US4323431 Controlled pressure in a continuous rectification process
03/1982
03/30/1982US4322561 Comprising reacting an olefin and a ketone in the presence of an amine and manganese acetate
03/30/1982CA1120877A1 Selective n-acetylisation of amino acids by conversion with ketenes in aqueous solution
03/23/1982US4321234 Chemical process and apparatus therefor
03/23/1982US4321210 By heating in the presence of a rhodium catalyst
03/23/1982US4321208 Preparation of directly iodinated steroid hormones and related compounds
03/10/1982EP0046947A1 Strontium and barium containing alkoxylation systems
03/09/1982CA1119614A1 Process for the production of 4-aminobutyric acid or its derivatives
03/03/1982EP0046731A1 Process for the production of di- and polyallyl ethers
03/03/1982EP0046653A1 Method for converting carboxylic acid groups to trichloromethyl groups
03/02/1982US4317920 Antirheumatic agents, antiinflammatory agents
03/02/1982CA1119197A1 Substituted amino-aromatic acetylenes and their method of preparation
02/1982
02/23/1982CA1118746A1 Catalyst for dehydrogenating organic compounds, in particular amines, thiols, and alcohols, and a process for its preparation
02/17/1982EP0046033A1 Method for asymmetric epoxidation
02/16/1982CA1118409A1 Steroid derivatives and their use in radioimmunoassays
02/10/1982EP0045423A1 Process for the alpha-halogenation of possibly substituted methyl aromatics
02/09/1982US4315032 Antithrombogenic agents, antiulcer agents
02/09/1982US4314942 Deprotection of allylic esters, carbonates and carbamates catalyzed by palladium compounds
02/09/1982CA1117977A1 Process for manufacturing d camphorate of l carnitinamide and d camphorate of d carnitinamide
02/09/1982CA1117972A1 Selective hydrogenation
02/03/1982EP0045234A1 Dealkylation process for tertiary amines by the use of alpha-chlorinated chloroformiates
02/03/1982EP0044984A1 Process for the optical resolution of mixtures of d- and l-2-(6-methoxy-2-naphthyl)-propionic acids, the cinchonidine salt of d-2-(6-methoxy-2-naphthyl)-propionic acid and the preparation thereof
01/1982
01/27/1982EP0044629A1 Process for preparing substituted formamides
01/27/1982EP0044558A1 Method for the preparation of alkyne-1 compounds
01/26/1982US4313018 Metal complex of anthranilic acid on polymer support
01/26/1982CA1117142A1 Process for the racemisation of optically active n-acyl-amino acids in aqueous solution
01/19/1982CA1116641A1 Deuterated isoflurane
01/12/1982US4310709 Manufacture of but-2-en-1-ol compounds by isomerizing the corresponding but-3-en-1-ol compounds
12/1981
12/08/1981US4304937 Aldehyde, amine, oxygen, platinum or palladium
12/08/1981US4304931 Biphenylhydroxypropionic acid derivatives
12/02/1981EP0041043A1 Process for the preparation of derivatives of alkenyl benzene or alkenyl naphthalene
12/02/1981EP0040991A1 Preparation of insecticidal mixture of stereoisomers of alpha-cyano-3-phenoxybenzyl isovalerates
11/1981
11/24/1981CA1113115A1 Hydrogenation
11/17/1981US4301186 For in situ decomposition by radiation to produce amines for hardening a polyurethane or epoxy resin monomers solution
11/10/1981US4299972 Esterification
11/10/1981US4299967 Insecticides
11/04/1981EP0038987A1 Process for preparing acyl cyanides
10/1981
10/28/1981EP0038735A1 Method for the preparation of compounds having a perfluoroalkyl group, in acid media containing zinc
10/27/1981US4297181 Process for preparing ketones
10/13/1981US4294976 Process for producing biphenyl compounds
10/13/1981US4294966 Salt formation
10/13/1981US4294825 Separation of the glycoprotein satietin
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