| Patents for C07B 31 - Reduction in general (2,354) |
|---|
| 10/13/1981 | US4294766 Preparation of pure potassium ribonate and ribonolactone |
| 10/13/1981 | US4294676 Deoxygenated, scrubbed monomers -flocculants |
| 10/13/1981 | CA1110653A1 Optical resolution of amino acids into optical antipodes |
| 10/13/1981 | CA1110639A1 Process for producing optically active bases |
| 10/07/1981 | EP0037373A1 Process for the elimination of alkyl and alkenyl groups |
| 09/30/1981 | EP0036511A1 Preparation of mixtures of lower polyhydroxy alcohols |
| 09/23/1981 | EP0036265A1 Method of optical resolution of (+/-)-2-amino-1-butanol and/or (+/-) -mandelic acid |
| 09/22/1981 | US4290972 Process for the production of 4-aminobutyric acid or its derivatives |
| 09/22/1981 | US4290965 Method of making 1123 labeled fatty acids |
| 09/22/1981 | CA1109479A1 PROCESS FOR PRODUCING OPTICALLY ACTIVE .alpha.- HYDROXYCARBOXYLIC ACID ESTER |
| 09/22/1981 | CA1109464A1 Vitamin b-12 derivative suitable for radiolabeling |
| 09/15/1981 | CA1109079A1 Process for the preparation of dl-phenyl-glycine amide |
| 09/15/1981 | CA1109074A1 Asymmetrical hydrogenation and related means for this purpose |
| 09/08/1981 | US4288640 Cocurrent flow over packed column containing solid catalyst |
| 09/08/1981 | US4288380 Hydroformylation catalysts |
| 09/01/1981 | US4287125 By reacting an alkali or alkaline metal salt of an alcohol or mercaptan with an activated halobenzene in the presence of a tertiary amine sequestering agent |
| 09/01/1981 | US4287094 Silicon substituted dialkyl or diaryl sulfides as ligands |
| 08/26/1981 | EP0034366A2 Process for the preparation of steroid 20-carbamate compounds |
| 08/26/1981 | EP0034337A2 A process for the optical resolution of a racemic mixture |
| 08/19/1981 | EP0033860A2 Method for the catalytic hydrogenation of organic compounds |
| 08/18/1981 | US4284558 Fluorine, pentafluorosulfur hypofluorite, fluoroalkyl hypofluorites; free radical suppressor |
| 08/11/1981 | US4283565 Reacting a benzyl halide with a formate, contacting with an alcohol to transesterify |
| 08/11/1981 | CA1106856A1 Oxydehydrogenation of certain c.sub.4 saturated oxyhydrocarbon compounds |
| 08/05/1981 | EP0033084A1 Process and apparatus for the secure feeding of molecular oxygen or gases containing it in the oxidation of hydrocarbons |
| 07/29/1981 | EP0032548A1 Process for preparing aryl and heteroaryl hexadienoic acids |
| 07/28/1981 | US4281193 Process for preparing substituted formamides |
| 07/28/1981 | CA1105942A1 Preparation of therapeutic agents |
| 07/28/1981 | CA1105927A1 Triple ions of 1,2-and 1,4-dicarbonyl compounds and analogs thereof containing nitrogen and containing two strategic oxygen or nitrogen groups and process for producing same |
| 07/21/1981 | US4279924 Mixture of stereoisomers of α-cyano-3-(4-halogenophenoxy)benzyl 2-(4-chlorophenyl)isovalerate, a process for producing the same, and a composition containing the same |
| 07/15/1981 | EP0031915A1 Process for the production of haloalkenes |
| 07/14/1981 | CA1105057A1 Oxidation process using metal nitro complex |
| 07/08/1981 | EP0031416A1 Process for the preparation of substituted benzaldehydes |
| 07/07/1981 | US4277633 Palladium complex, process for the preparation thereof and catalyst for producing 1,3-diene oligomers |
| 06/30/1981 | US4276225 Decarbalkoxylation of carboxylic acid esters |
| 06/24/1981 | EP0030871A1 Method of optical resolution of (+/-)-phenyl glycin and/or (+/-)-camphor sulfonic acid |
| 06/23/1981 | CA1103660A1 Carboxylic acid esters |
| 06/17/1981 | EP0030528A1 Process for the introduction of alkyl, aralkyl or cycloalkyl groups onto a functional group-substituted carbon chain |
| 06/16/1981 | US4273944 Palladium on alumina poisoned with zinc, lead or tin and promoted with water and a basic alkali or alkaline earth compound |
| 06/02/1981 | US4271323 Process for hydrogenating unsaturated compounds |
| 06/02/1981 | CA1102305A1 Preparation of directly iodinated steroid hormones and related compounds |
| 05/26/1981 | CA1101633A1 Crystalline borosilicate (ams-1b) and process use |
| 05/20/1981 | EP0028892A1 A heteronuclear-bridged rhodium cluster and its application as catalyst for hydroformylation of olefins |
| 05/19/1981 | US4268697 Synthesis of long-chain alkanes having terminal functionality |
| 05/19/1981 | CA1101436A1 Process for the preparation of polyhydric phenols |
| 05/06/1981 | EP0028203A1 Process for carrying off the reaction heat from exothermal chemical reactions and apparatus for carrying out the process |
| 05/05/1981 | US4265817 Novel chiral ethers and their use in resolution of alcohols and phenols |
| 04/29/1981 | EP0027736A1 Method of synthesising sodium zincosilicate and stannosilicate and ion-exchanged products thereof,detergent formulations containing the sodium zincosilicate or stannosilicate products and catalysts or catalyst supports containing the ion-exchanged products |
| 04/22/1981 | EP0027319A2 Method for reductive elimination of protecting groups and preparative process using such method |
| 04/21/1981 | US4263457 Catalytic dehydrogenation |
| 04/21/1981 | US4263173 Supported nickel-cobalt-silica coprecipitated hydrogenation catalyst |
| 04/14/1981 | US4262152 Preparation of trifluoromethylphenyl nitrophenylethers |
| 04/14/1981 | US4261798 Method of purifying readily polymerizable vinyl monomers |
| 04/07/1981 | US4260829 Preparation of carbonyl compounds |
| 04/01/1981 | EP0025841A1 Diastereomeric salts of malic acid and 2-amino-1-butanol and process for the scission of racemic malic acid |
| 03/31/1981 | CA1098541A1 Process for the resolution of racemic alpha- aminonitriles |
| 03/25/1981 | EP0025460A1 Coupling of aryl and heteroaryl polyhalides |
| 03/24/1981 | US4257877 Selective hydrogenation process |
| 03/17/1981 | US4256604 Method for mixing gases and apparatus used therefor |
| 03/17/1981 | CA1097686A1 Ketones from olefins by oxidation process |
| 03/11/1981 | EP0024648A1 Process for the production of unsaturated alcohols |
| 03/10/1981 | CA1097369A1 No translation available |
| 03/03/1981 | US4254053 Process for manufacturing D camphorate of L carnitinamide and D camphorate of D carnitinamide |
| 02/24/1981 | US4252744 Method of racemizing optically active 1-phenylethylamine |
| 02/18/1981 | EP0023959A1 Method of preparing optically active 4-hydroxy-3-methyl-2-(2-propynyl)-2-cyclopentenolone and intermediates therefor and the compounds thus obtained |
| 02/17/1981 | US4251657 Deacylation of a halogenoacetylamino compound using an n-substituted dithiocarbamic acid |
| 02/17/1981 | US4251450 Nitrogen transhalogenation process |
| 02/11/1981 | EP0023598A1 Process for the preparation of 1,1-dichloro alkenes |
| 02/11/1981 | EP0023584A1 Process for the preparation of trifluoromethyl naphthalenes |
| 02/03/1981 | US4249020 Reacting in presence of calcined niobium-vanadium-molybdenum catalyst |
| 02/03/1981 | US4249015 Oxidation of trihaloalcohols |
| 02/03/1981 | US4249003 Using cyclic alkylene sulfates |
| 02/03/1981 | US4249002 Polycyclic amines and intermediates therefor |
| 01/28/1981 | EP0022972A1 Menthyl esters, process for their preparation and their use in enantiomer separation of chiral carboxylic acids |
| 01/20/1981 | US4246164 Process for the resolution of (+)- and (-)-6-methoxy-α-methyl-2-naphthaleneacetic acid |
| 01/20/1981 | CA1094094A1 Asymmetric catalysis |
| 01/14/1981 | EP0022387A1 Process for the preparation of benzene derivatives by the reaction of an activated halobenzene with an organic compound containing an oxygen or sulphur anion |
| 01/13/1981 | US4245116 Racemization of optically active 2-(4-chlorophenyl)-3-methylbutyric acid |
| 01/07/1981 | EP0021925A1 Process for preparing optically active alpha-cyanoalcohols |
| 01/07/1981 | EP0021496A1 Synthesis of long-chain alkanes having terminal functionality |
| 01/07/1981 | EP0021220A1 Use of a gasifying nozzle in photochemical gas-liquid reactions |
| 12/23/1980 | US4240988 Method of stabilization of kinetically controlled triaryl phosphite-halogen compounds |
| 12/23/1980 | CA1092125A1 Process for preparing amino-phenyl-ureas and amino- carbanylates |
| 12/23/1980 | CA1092124A1 Process for the preparation of aromatic amines |
| 12/16/1980 | CA1091700A1 Selective hydrogenation process |
| 12/02/1980 | US4237313 Heating to 150c |
| 11/26/1980 | EP0019475A2 Process for preparing adjacently disubstituted ketones, novel prostaglandins E1 and anti-thrombotic compositions containing them |
| 11/26/1980 | EP0019388A1 Preparation of trifluoromethyl-substituted phenols and phenates and the preparation, from these phenols and phenates, of nitro- and trifluoromethyl-substituted diphenyl ethers |
| 11/25/1980 | US4235892 Aromatic antibiotics |
| 11/25/1980 | US4235748 Method of making improved hydrogenation catalyst |
| 11/12/1980 | EP0018606A1 Direct fluorination of etherified hydroxy group-bearing aromatic compounds |
| 11/11/1980 | US4233285 Chelate with radioactive heavy metal ion for imaging kidneys, brains, tumors, and hearts |
| 11/04/1980 | US4231923 Narcotics, oligopeptides, radioactivity |
| 10/29/1980 | EP0017772A1 Method of improving the solubility of biologically active agents in water and in lower aliphatic alcohols, and compounds having an improved solubility |
| 10/28/1980 | US4230644 Derived from triaryl phosphites and chlorine or bromine |
| 10/15/1980 | EP0017559A1 A gas-phase hydrocarbon nitration pressure reactor |
| 10/15/1980 | EP0017235A1 Process for omega-123I-labelling of fatty acids |
| 10/14/1980 | US4228088 Selective hydrogenation |
| 10/14/1980 | CA1087622A1 PROCESS FOR THE PREPARATION OF .alpha. SUBSTITUTED KETONES |
| 10/14/1980 | CA1087598A1 Method for preparing a highly dispersed supported nickel catalyst |
| 10/07/1980 | US4226986 7-acylamino-3-hydroxy-3-cephem compound, triaryl phosphite dihalide |