Patents for C07B 31 - Reduction in general (2,354)
01/1990
01/23/1990US4895979 Process for preparing carnitine
01/23/1990CA1264765A1 Process for the optical resolution of racemic mixtures of o-naphthyl-propionic acids
01/23/1990CA1264757A1 Process for preparing perfluoroalkylated alcohols
01/16/1990US4894485 For formation of polyethers
01/16/1990US4894478 Process of producing ketoximes
01/16/1990US4894471 Alumina catalysts
01/09/1990US4892973 From corresponding alkane by oxidation with lead peroxide
01/09/1990US4892659 Separation agent comprising aliphatic ester of polysaccharide
01/09/1990CA1264330A1 Process for the production of deuterated methyl acrylate or deuterated methyl methacrylate
01/03/1990EP0259417B1 Ruthenium catalyst for biarylic coupling; new steganolides
01/02/1990US4891450 Fluorine-containing arylalkenes
01/02/1990US4891448 Acidic mordenite catalyst
01/02/1990US4891412 Optically active styrene derivatives, polymers obtained from these, complexes with iridium(I) and their use
12/1989
12/26/1989US4889957 Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith
12/19/1989US4888433 Process for the preparation of optically active alpha-arylalkanoic acids and novel intermediates thereof
12/19/1989US4888385 BOP reagent for solid phase peptide synthesis
12/19/1989CA1263966A1 Preparation of fluorinated aromatic compounds
12/12/1989US4886891 Process for preparing 1,1-disubstituted ethylene derivative by reaction of lead with a carbinol derivative
12/12/1989CA1263872A1 Preparation of ketones by isomerization of aldehydes
12/06/1989EP0344816A1 Iodine-labelled pyrethrinoids, process and intermediates for their preparation and their use in radioimmuno assays
12/05/1989US4885418 Treating with a water-containing anion exchanger in the oh form
12/05/1989US4885363 1-substituted-1,4,7-triscarboxymethyl-1,4,7,10-tetraazacyclododecane and analogs
11/1989
11/28/1989CA1263402A1 Insecticidal ester
11/28/1989CA1263333A1 Process for the denitrogenation of nitrogen- containing hydrocarbon compounds
11/22/1989CN1037283A Shaped catalysts and process
11/14/1989US4880937 Method of producing alcohol compounds
11/08/1989EP0340819A1 Synthesis agent for organolithium reactions
11/08/1989EP0182872B1 A process for the preparation of cyclobutene-substituted aromatic hydrocarbons
11/07/1989US4879411 Method for racemization of optically active serine
11/07/1989US4879068 Process for the preparaiton of alkyl fluorides
11/07/1989US4879038 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
11/02/1989EP0339764A1 Process for preparing carnitine
11/02/1989EP0339599A2 Process for producing acylaromatic compounds
10/1989
10/31/1989US4877909 Process for reducing aldehydes or ketones
10/31/1989US4877908 Chiral phosphorus compounds, a process for their manufacture and their application to the catalysis of enantioselective synthesis reactions
10/24/1989US4876376 Halogen-fluorine exchange in hydrofluoric acid without catalyst; plant safening agents
10/18/1989EP0337730A1 Heat resistant noble metal catalyst and method of producing the same
10/18/1989EP0198351B1 Catalytic oxidation with n-hydroxydicarboxylic acid imides
10/17/1989US4874890 Direct substitution from heavy water or deuterium gas in presence of platinum group catalyst
10/17/1989US4874473 Separation of diastereomers by extractive distillation
10/10/1989US4873349 Ruthenium catalyst for biarylic coupling; new steganolides
10/10/1989US4873325 Catalytic conversion of oximes with non-zeolitic molecular sieves; sapo-11 and sapo-41
10/04/1989EP0335222A1 Process for the preparation of nickel-aluminium oxide zirconium dioxide catalyst compositions
10/03/1989US4871858 Method of producing formamide compounds
09/1989
09/27/1989EP0334097A2 Process for the preparation of 4,4'-Dihalogeno-bisphenyls
09/26/1989CA1261845A1 Method for oxidizing groups to carboxylic acids under basic conditions
09/26/1989CA1261536A1 Aromatic polymers
09/13/1989EP0331988A1 Sulfonium compounds, as well as process for producing active esters and amides used for the production of amides
09/12/1989CA1259327A1 Insecticidal product
09/06/1989EP0331524A2 Synthesis of trichostatins
09/05/1989US4863641 Reaction of halides with carbon monoxide in presence of lewis acid
08/1989
08/30/1989EP0330420A1 Process for manufacture of fluoroaromatics
08/30/1989EP0248423B1 Process or the acylation of aromatic compounds
08/22/1989CA1258677A1 Binuclear, water soluble, rhodium complexes and their use as hydroformylation catalysts
08/15/1989US4857572 Elastomers and tackifier resins
08/15/1989CA1258471A1 Process for the preparation of optionally substituted 2-benzyl-toluenes
08/09/1989EP0326869A2 Cycloaliphatic ketones, process for their preparation and their use as perfuming and aromatising ingredients
08/09/1989CN1034493A Chemical reaction and catalyst suitable therefor
08/08/1989US4855505 Promoted nickel and/or cobalt catalyst, its use, and process performed in its presence
08/08/1989US4855464 Optically active ketals, processes for their preparation and their use in the synthesis of alpha-arylalkanoic acids
08/08/1989US4855460 Process for perfluoroalkylation of acid anhydrides
08/08/1989US4855053 Extraction of organic compounds from aqueous solutions
07/1989
07/26/1989EP0325072A1 Preparation of tertiary and secondary alcohols by the action of an organomanganic compound on a compound bearing a carboxyl group
07/25/1989US4851538 Coupling a haloaromatic compound using carbon monoxide, an alkaline medium and a supported palladium catalyst; efficiency; kinetics
07/25/1989CA1257876A1 Process for the selective hydrogenation of unsaturated compounds
07/25/1989CA1257874A1 Process for preparing opticaly active 2-(4-hydroxy- phenoxy)propionic acid compounds
07/11/1989US4847412 Process for racemizing an optically active N-benzylidene amino-acid amide
07/11/1989US4847016 High speed
07/11/1989US4846968 Cellulose triacetate and carrier; chromatographic elution
07/05/1989EP0323129A1 Process for preparing iron-antimony-phosphorus-containing catalyst for fluidized bed process
07/05/1989EP0322760A1 Process for the preparation of cobalt catalysts
07/04/1989US4845302 Preparation of 5H-dibenzo[a,d]cyclohepten-5-ones
07/04/1989US4845243 Optically active dioxalane-one
07/04/1989US4844809 Method for purifying reaction solution obtained by using microbial cell, immobilized microbial cell, or immobilized enzyme
06/1989
06/27/1989US4843169 Method of preparing alpha-arylalkanoic esters
06/21/1989EP0321432A1 Process for the preparation of certain substituted aromatic compounds
06/15/1989WO1989005286A1 Process
06/14/1989EP0320451A2 Process for preparing alkyl-substituted phenols or naphthols
06/14/1989EP0320074A1 Chemical reaction in the presence of a supported copper catalyst
06/14/1989EP0319847A2 Method for the preparation of optically active 3-desmethylmevalonic acid derivatives and intermediate compounds
06/14/1989CN1033377A Catalytic hydrogenation process
06/13/1989CA1255703A1 Process for the preparation of vicinal diols soluble in water
06/13/1989CA1255688A1 Matathesis of olefins catalyzed with a tungsten complex
06/07/1989EP0319208A1 Process for hydrogenating
06/06/1989US4837190 Organic solvent soluble polyvalent metal alkoxy alkoxides
05/1989
05/31/1989EP0317907A2 Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers
05/30/1989US4835318 Process for the preparation of aryl perfluoroalkyl ketones
05/30/1989CA1254901A1 Carboxy, carboalkoxy and carbamile substituted isonitrile radionuclide complexes
05/23/1989US4833273 Process for the resolution of 1-aminoindanes
05/23/1989CA1254698A1 Method for synthesizing esters
05/16/1989US4831008 Applying rhodium carbonyl clusters to support in inert atmosphere and pyrolyzing
05/16/1989US4830752 Separation agent comprising 1,3-glucan
05/10/1989EP0315517A1 Process for producing carboxylic-acid chlorides
05/10/1989EP0315494A1 Process for preparation of peptide synthons
05/10/1989EP0315188A2 Methods and materials for the preparation of metal labelled antibody solutions
05/09/1989US4828702 Countercurrent extraction, solvent in liquid or supercritical state
05/09/1989CA1253669A1 Generation of sulphur trioxide from oleum
05/02/1989US4827015 Process for the production of aminomalonic acid dinitrile salts
05/02/1989US4827009 Hydrosilation process
05/02/1989US4827002 Process for preparing adducts of alcohols, ethers and esters with 1,2-dichlorodifluoroethylene
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