| Patents for C07B 31 - Reduction in general (2,354) |
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| 05/02/1989 | US4826799 Shaped catalyst and process for making it |
| 05/02/1989 | CA1253496A1 Carrying out organic condensation reactions |
| 04/25/1989 | US4825011 Method of preparing substituted dihydroxy-benzenes |
| 04/25/1989 | US4824956 Reductive dehalogenation of halogen compounds |
| 04/25/1989 | CA1253170A1 Aryl carboxylate process |
| 04/19/1989 | EP0312376A2 Polyurea membrane and its use for aromatics/non-aromatics separations |
| 04/18/1989 | US4822918 Reduction of organic sulfur compounds |
| 04/12/1989 | EP0311086A1 N-fluorinated sulfon amides, process for their preparation and their use |
| 04/12/1989 | EP0310827A1 Process for the removal of metal halides from liquid, organic compounds not miscible with water |
| 04/12/1989 | EP0310645A1 Compounds useful particularly for radiotherapy or imaging of cancer. |
| 04/12/1989 | EP0224902B1 Process for the preparation of d-threo-1(p-methylsulfonylphenyl)-2-dichloracetamido-propandiol-1,3-(thiamphenicol)and use of suitable intermediate products |
| 04/05/1989 | EP0309505A1 Process for preparing iodinated aromatic compounds |
| 04/04/1989 | US4818409 Obtaining aqueous solutions of organic acids or bases from aqueous solutions of their salts |
| 04/04/1989 | US4818394 Separating agent |
| 03/29/1989 | EP0309324A1 Process for the preparation of N-alkylated amino acids and their esters, use in the synthesis of carboxyalkyl dipeptides |
| 03/29/1989 | EP0308411A1 Process for hydrogenating an unsaturated organic compound |
| 03/28/1989 | US4816587 Process for the preparation of 2-halogenated ergoline derivatives |
| 03/28/1989 | CA1251620A1 Process and device for the extraction of form-labile, flowable masses |
| 03/22/1989 | EP0308341A1 Process for the industrial synthesis of perindopril and for its principal synthesis intermediates |
| 03/22/1989 | EP0308340A1 Process for the synthesis of N-alkylated alpha-amino acids and their esters, use in the synthesis of carboxyalkyl dipeptides |
| 03/22/1989 | EP0308188A2 Chiral epoxyalcohol recovery in asymmetric epoxidation process |
| 03/22/1989 | EP0307864A1 Process for the recovery of hydrogen/heavy hydrocarbons from hydrogen-lean feed gases |
| 03/22/1989 | EP0307636A1 Method for effecting dehydration of glycols using a membrane |
| 03/22/1989 | EP0307457A1 Improved vapor phase bromination of aromatic compounds. |
| 03/22/1989 | EP0307447A1 Process for preparing iodinated substituted aromatic compounds |
| 03/22/1989 | EP0307446A1 Liquid phase isomerization of iodoaromatic compounds. |
| 03/21/1989 | US4814525 Vapor phase bromination of aromatic compounds |
| 03/21/1989 | US4814497 Dehalogenation process |
| 03/21/1989 | US4814484 Radioimmunoassay |
| 03/21/1989 | US4814483 Process for the preparation of optionally substituted 2-benzyl-toluenes |
| 03/21/1989 | US4814477 Dioxaphosphorinanes, their preparation and use for resolving optically active compounds |
| 03/15/1989 | EP0307361A2 Process for the preparation of carbodiimides |
| 03/15/1989 | EP0307179A2 Mitomycins and processes for their preparation |
| 03/15/1989 | EP0307168A2 Ruthenium-phosphine complexes useful as catalysts |
| 03/15/1989 | EP0306804A2 Process for the preparation of substituted benzyl trichlorides |
| 03/14/1989 | US4812587 Unsaturated nitriles, cyclopentadienyl and phosphine ligands |
| 03/14/1989 | US4812572 Diazotization in hydrogen fluoride, decomposition under pressure |
| 03/14/1989 | US4812233 Cylindrical counter-current extraction pressure-resistant chamber with solvent nozzle in bottom |
| 03/09/1989 | WO1989001931A1 Preparation of derivatives |
| 03/08/1989 | EP0306177A1 Hydrosilylation process |
| 03/08/1989 | EP0305924A2 Process for the sulfonation and/or sulfatation of organic compounds with S03 in an organic reaction medium |
| 03/07/1989 | US4810825 Method of reducing nitrile into a corresponding alcohol |
| 03/07/1989 | US4810824 Hydrolysis of activated olefinic ketones and aldehydes |
| 03/07/1989 | CA1250802A1 Protected trigger to controllably initiate crystallization |
| 03/01/1989 | EP0305289A1 Enantioselective process for preparing derivatives of trans- or cis-hemicaronaldehyde, and intermediates obtained |
| 03/01/1989 | EP0305089A1 Process for the asymmetric production of carboxylic acid esters and/or carboxylic acids |
| 03/01/1989 | EP0304780A1 Process for labelling substances with technetium or rhenium |
| 03/01/1989 | CN1031336A 催化剂 Catalyst |
| 02/28/1989 | US4808747 Process for producing alkylidene compounds and arylidene compounds |
| 02/28/1989 | CA1250598A1 Cobalt borate catalyzed decomposition of organic hydroperoxides |
| 02/28/1989 | CA1250589A1 Optically active borane complex and a method for producing an optically active alcohol derivative by the use thereof |
| 02/22/1989 | EP0303892A1 Process for the monoacylation of water-soluble organic amino compounds |
| 02/21/1989 | US4806698 Liquid phase isomerization of iodoaromatic compounds |
| 02/21/1989 | US4806670 Catalysis with mixture of noble metal and condensation and hydrogenation catalysts |
| 02/21/1989 | US4806641 Salts of 3-hydroxy-4-oxo-3,4-dihydro-1,2,3-benzotriazine and amino compounds |
| 02/21/1989 | US4806286 Catalysis with guanidinium salt; pesticides, polymerization catalysts |
| 02/21/1989 | CA1250306A1 Process for the preparation of acetylenic derivatives, derivatives thus made, and their use |
| 02/21/1989 | CA1250290A1 PROCESS FOR RESOLUTION OF OPTICAL ISOMERS OF .beta.- ADRENERGIC AGENTS |
| 02/15/1989 | CN1031083A Process for preparing compounds with antiulcer action |
| 02/08/1989 | EP0302624A2 A method for racemization of optically active serine |
| 02/08/1989 | EP0302581A1 Catalytic conversion of C3 aliphatics to higher hydrocarbons |
| 02/07/1989 | US4802988 Dehydration of glycols |
| 02/07/1989 | CA1249842A1 Method for preparing ( )s-2-hydroxy-2-methyl-hexanoic acid |
| 02/07/1989 | CA1249841A1 PROCESS FOR THE PREPARATION OF CERTAIN ENANTIOMERIC PAIRS OF .alpha.-CYANO-3-PHENOXY-4-FLUORO-BENZYL PERMETHRATE |
| 02/01/1989 | EP0302021A2 Process for the preparation of optically active secondary aryl amines |
| 02/01/1989 | EP0301879A2 Inhibition of polymerization during distillation of monomers |
| 02/01/1989 | EP0301853A1 Catalyst |
| 02/01/1989 | EP0301486A2 Process for producing cyclohexanone oxime |
| 02/01/1989 | EP0301457A2 Process for the preparation of optically active secondary amines |
| 02/01/1989 | EP0301446A2 Process for the production of carboxylic-acid halides |
| 02/01/1989 | EP0301444A2 Method for the production of arylperfluor alkyl ketones |
| 01/31/1989 | US4801748 Catalytic process for preparing amide from nitrile, amine and water |
| 01/31/1989 | US4801744 Selenium catalyst |
| 01/31/1989 | US4801719 Silanes, process for their preparation, and their use |
| 01/31/1989 | CA1249602A1 Preparation of hydroxylated aromatic compounds |
| 01/31/1989 | CA1249575A1 Catalysis using supported strong base catalysts |
| 01/25/1989 | EP0300497A1 Optically active compound, process for producing same and liquid crystal composition containing same |
| 01/25/1989 | EP0300431A2 Method of radiolabeling chelating compounds comprising sulfur atoms with metal radionuclides |
| 01/25/1989 | EP0300018A1 Hydrogenation process. |
| 01/25/1989 | EP0197375B1 Process for the inversion of the configuration of secondary alcohols |
| 01/25/1989 | EP0189448B1 Agent for the fluoridation of organic compounds particularly acetylenic compounds, preparation process thereof and utilization thereof in nucleophilic substitution or addition reactions |
| 01/24/1989 | US4800224 Optically active styrene derivatives, polymers obtained from these, complexes with iridium(I) and their use |
| 01/18/1989 | EP0299760A1 Method for racemization of optically active chrysanthemic acid or its derivatives |
| 01/18/1989 | EP0299289A1 Process for the continuous ozonisation of unsaturated organic compounds |
| 01/18/1989 | EP0299270A1 Bromination process |
| 01/18/1989 | EP0299034A1 Process for the preparation of compounds with antiulcer action. |
| 01/17/1989 | US4798895 Process for preparing levomepromazine hydrogen maleate |
| 01/11/1989 | EP0298830A1 Process for perfluoroalkylation of acids anhydrides |
| 01/11/1989 | EP0298478A2 Method for the production of alpha-gluoroketones |
| 01/11/1989 | EP0298261A1 Process for the preparation of salts of aminomalonic dinitrile |
| 01/10/1989 | CA1248549A1 Production of anhydrous carboxylic acids from alcohols using rhodium complex catalysts and organic ester source |
| 01/10/1989 | CA1248325A1 Purification apparatus and method employing a regenerable ligand |
| 01/04/1989 | EP0297752A2 Process of preparing optically active alcohol |
| 01/04/1989 | EP0297685A1 Dehydrogenation catalyst |
| 01/04/1989 | EP0297397A2 Preparation of diazo and azo compounds |
| 01/04/1989 | EP0297302A1 Preparation of 4-pentenenitrile by isomerization |
| 01/04/1989 | EP0297126A1 Phase transfer catalysis |
| 12/28/1988 | EP0296483A2 Preparation of ascorbic acid 6-esters |
| 12/27/1988 | US4794178 Carrier-free |
| 12/27/1988 | US4794172 Ceric oxidant |