| Patents for C07B 41 - Formation or introduction of functional groups containing oxygen (3,087) |
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| 04/04/1990 | EP0361617A2 Alkoxylation using modified calcium-containing bimetallic or polymetallic catalysts |
| 04/04/1990 | EP0361616A2 Alkoxylation using modified group IIA metal-containing bimetallic or polymetallic catalysts |
| 03/27/1990 | US4912265 Phase transfer catalyzed process for borohydride reductions of carbonyl compounds |
| 03/20/1990 | US4910337 Metallating a alkylaromatic compound; adding potassium alkoxide in trialkylamine |
| 02/27/1990 | US4904814 Process for the preparation of tert-alkyl esters |
| 02/27/1990 | US4904790 Optically active styrene compounds substituted by a pyridinyl group |
| 02/14/1990 | CN1006765B Method of carrying out chemical dehydration reaction and apparatus therefor |
| 02/13/1990 | US4900413 Process for direct carbonylation of hydrocarbons |
| 01/31/1990 | EP0352563A2 Process for the hydroxylation of electrophilic aromatic compounds |
| 01/30/1990 | CA1265161A1 Hydrogenation process |
| 01/24/1990 | EP0352167A1 Process for the alcoxy carbonylation of halogenated aromatic derivatives |
| 01/24/1990 | EP0351603A2 Transvinylation reaction |
| 01/23/1990 | US4895984 Acylation of aromatics |
| 01/23/1990 | CA1264757A1 Process for preparing perfluoroalkylated alcohols |
| 01/16/1990 | US4894485 For formation of polyethers |
| 01/10/1990 | EP0350069A2 Method for oxidizing unsaturated aromatic compounds |
| 01/02/1990 | US4891430 Process for synthesizing active esters of carboxylic acids, new alpha-halogenated carbonates which are useful for this synthesis and the method of producing them |
| 01/02/1990 | US4891412 Optically active styrene derivatives, polymers obtained from these, complexes with iridium(I) and their use |
| 12/26/1989 | US4889957 Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith |
| 12/20/1989 | CN1038086A Process for oxidation of hydrocarbons utilizing partitioning of oxidizing gas |
| 12/12/1989 | CA1263872A1 Preparation of ketones by isomerization of aldehydes |
| 12/06/1989 | EP0345243A2 Asymmetric hydrogenolysis of epoxides |
| 11/30/1989 | WO1989011478A1 Ruthenium-catalyzed production of cyclic sulfates |
| 11/22/1989 | CN1037273A Productive method for preparing source powder of anti-paradentitis |
| 11/14/1989 | US4880937 Method of producing alcohol compounds |
| 11/08/1989 | EP0340819A1 Synthesis agent for organolithium reactions |
| 11/02/1989 | EP0339599A2 Process for producing acylaromatic compounds |
| 10/31/1989 | US4877909 Process for reducing aldehydes or ketones |
| 10/18/1989 | EP0337730A1 Heat resistant noble metal catalyst and method of producing the same |
| 10/18/1989 | EP0337210A1 Process for the preparation of carboxylic-acid halides |
| 10/18/1989 | EP0198351B1 Catalytic oxidation with n-hydroxydicarboxylic acid imides |
| 10/03/1989 | US4871878 High selectivity to aldehydes using aromatic phosphine in catalyst |
| 09/27/1989 | CN1035820A Impurity removal from carbon monoxide and/or hydrogen-containing streams |
| 09/26/1989 | US4870208 Rhodium or ruthenium catalysts containing chiral phosphine ligands |
| 09/26/1989 | CA1261845A1 Method for oxidizing groups to carboxylic acids under basic conditions |
| 09/26/1989 | CA1261536A1 Aromatic polymers |
| 09/21/1989 | WO1989008659A1 Organic synthesis employing supercritical carbon dioxide as a reaction solvent |
| 09/06/1989 | EP0226635B1 Method for neutralization of organophilic acidic compounds |
| 09/05/1989 | US4863641 Reaction of halides with carbon monoxide in presence of lewis acid |
| 08/30/1989 | EP0248423B1 Process or the acylation of aromatic compounds |
| 08/24/1989 | WO1989006642A3 Impurity removal from carbon monoxide and/or hydrogen-containing streams |
| 08/22/1989 | CA1258677A1 Binuclear, water soluble, rhodium complexes and their use as hydroformylation catalysts |
| 08/08/1989 | US4855460 Process for perfluoroalkylation of acid anhydrides |
| 08/08/1989 | US4855432 Optically active iridium complexes and their use |
| 07/27/1989 | WO1989006642A2 Impurity removal from carbon monoxide and/or hydrogen-containing streams |
| 07/26/1989 | EP0325446A2 Impurity removal from carbon monoxide and/or hydrogen-containing streams |
| 07/26/1989 | EP0325072A1 Preparation of tertiary and secondary alcohols by the action of an organomanganic compound on a compound bearing a carboxyl group |
| 07/13/1989 | WO1989006225A1 Ligand-accelerated catalytic asymmetric dihydroxylation |
| 07/05/1989 | EP0322973A2 Method of preparing optically active cyanohydrin derivatives and their conversion products, and optically active compounds to be obtained in this manner |
| 07/04/1989 | US4845302 Preparation of 5H-dibenzo[a,d]cyclohepten-5-ones |
| 07/04/1989 | US4845243 Optically active dioxalane-one |
| 06/27/1989 | US4843169 Method of preparing alpha-arylalkanoic esters |
| 06/21/1989 | EP0321432A1 Process for the preparation of certain substituted aromatic compounds |
| 06/14/1989 | EP0320451A2 Process for preparing alkyl-substituted phenols or naphthols |
| 06/13/1989 | CA1255703A1 Process for the preparation of vicinal diols soluble in water |
| 06/06/1989 | US4837364 Processes for preparing pentafluoroethoxy- and pentafluoroethylthiobenzene drivatives |
| 05/30/1989 | US4835318 Process for the preparation of aryl perfluoroalkyl ketones |
| 05/23/1989 | US4832934 Reducing agents |
| 05/23/1989 | CA1254698A1 Method for synthesizing esters |
| 05/10/1989 | EP0315517A1 Process for producing carboxylic-acid chlorides |
| 05/09/1989 | CA1253867A1 Process for the preparation of monocarbonyl or biscarbonyl compounds |
| 05/02/1989 | US4827043 Impurity removal from carbon monoxide and/or hydrogen-containing streams |
| 05/02/1989 | US4827003 Hemiacetal compounds and the applications thereof |
| 04/25/1989 | US4825011 Method of preparing substituted dihydroxy-benzenes |
| 04/25/1989 | US4825007 Oxidation process of aromatic compounds |
| 04/25/1989 | CA1253170A1 Aryl carboxylate process |
| 04/11/1989 | US4820858 Process for the preparation of 2-(hydroxyalkyl)acrylic compounds |
| 04/11/1989 | US4820823 Process of producing α-keto acids |
| 04/04/1989 | US4818409 Obtaining aqueous solutions of organic acids or bases from aqueous solutions of their salts |
| 03/22/1989 | CN1031835A Low pressure rhodium catalyzed hydroformylation of olefins |
| 03/15/1989 | CN1003588B Method making compound of diketone acylate |
| 03/07/1989 | US4810825 Method of reducing nitrile into a corresponding alcohol |
| 03/07/1989 | US4810824 Hydrolysis of activated olefinic ketones and aldehydes |
| 03/01/1989 | EP0305089A1 Process for the asymmetric production of carboxylic acid esters and/or carboxylic acids |
| 02/23/1989 | WO1989001467A1 Low pressure rhodium catalyzed hydroformylation of olefins |
| 02/21/1989 | US4806286 Catalysis with guanidinium salt; pesticides, polymerization catalysts |
| 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 | CA1249602A1 Preparation of hydroxylated aromatic compounds |
| 01/31/1989 | CA1249575A1 Catalysis using supported strong base catalysts |
| 01/25/1989 | EP0300018A1 Hydrogenation process. |
| 01/25/1989 | EP0197375B1 Process for the inversion of the configuration of secondary alcohols |
| 01/24/1989 | US4800224 Optically active styrene derivatives, polymers obtained from these, complexes with iridium(I) and their use |
| 01/11/1989 | EP0298830A1 Process for perfluoroalkylation of acids anhydrides |
| 01/11/1989 | EP0298478A2 Method for the production of alpha-gluoroketones |
| 01/10/1989 | CA1248549A1 Production of anhydrous carboxylic acids from alcohols using rhodium complex catalysts and organic ester source |
| 01/04/1989 | EP0297752A2 Process of preparing optically active alcohol |
| 12/28/1988 | EP0296483A2 Preparation of ascorbic acid 6-esters |
| 12/27/1988 | US4794172 Ceric oxidant |
| 12/21/1988 | EP0295890A2 Process of preparing optically active alcohol |
| 12/21/1988 | EP0295578A1 Use of alkaline earth salts of ethercarboxylic acids as alkoxylation catalysts |
| 12/20/1988 | US4792635 Symmetric benzophenones substituted by groups containing fluorine |
| 12/20/1988 | CA1247138A1 Simultaneous esterification and fluoration process |
| 12/13/1988 | CA1246618A1 Method of alkoxylating fluorinated alcohols |
| 12/07/1988 | EP0293811A1 The production of an alcohol from an alkyl formate by decarbonylation |
| 11/30/1988 | EP0292885A2 Catalytic transfer-hydrogenation with aromatic nitro compounds as hydrogen acceptor |
| 11/29/1988 | US4788282 Carbapenicillins |
| 11/29/1988 | US4788011 Spraying from separate nozzles; mixing in the spray cones |
| 11/22/1988 | US4786744 Reaction with alcohol or amine |
| 11/02/1988 | EP0190221B1 Process for hydroxymethylation |