| Patents for C07B 41 - Formation or introduction of functional groups containing oxygen (3,087) |
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| 08/28/1991 | CN1054061A Hydrogenation with cu-al catalysts |
| 08/28/1991 | CN1054060A Hydrogenation with cu-al-x catalysts |
| 08/22/1991 | DE4005338A1 Verwendung von strontium- und/oder bariumacetylacetonaten als katalysatoren fuer die ethoxylierung bzw. propoxylierung von verbindungen mit aktiven h-atomen H-atoms using strontium and / or bariumacetylacetonaten as catalysts for the ethoxylation or propoxylation of compounds containing active |
| 08/21/1991 | EP0442754A2 Reagents and methods for stereospecific fluoromethylation |
| 08/20/1991 | US5041604 Process for producing di(aryloxy)alkane |
| 08/14/1991 | DE4004379A1 Alkoxylation catalyst of alkaline earth metal acyl-cyanamide - to give narrow range prods. |
| 08/08/1991 | WO1991011419A1 Hypochlorous acid as a reagent for the oxidation of organic compounds in two phase systems |
| 08/07/1991 | EP0210203B1 Propanol derivatives |
| 07/24/1991 | EP0281627B1 Process for reducing aldehydes or ketones |
| 07/17/1991 | EP0437187A2 Process for the preparation of esters of hydroxyphenylpropanoic acid |
| 07/17/1991 | CN1053010A Pharmaceutical preparation |
| 07/12/1991 | CA2033846A1 Process for the preparation of hydroxyphenylpropionic acid esters |
| 07/11/1991 | WO1991009822A1 Continuous process for the telomerization of conjugated dienes |
| 07/09/1991 | US5030739 Formation Of Hydroperoxides Using An N-Hydroxydicarboxylic Acid Imide As Catalyst |
| 06/26/1991 | EP0434062A1 Hydrogenation with Cu-A1-X catalysts |
| 06/26/1991 | EP0434061A1 Hydrogenation with Cu-A1 catalysts |
| 06/22/1991 | CA2032871A1 Hydrogenation with cu-al catalysts |
| 06/22/1991 | CA2032777A1 Hydrogenation with cu-a1-x catalysts |
| 06/11/1991 | US5023342 Cyclic sulfate compounds |
| 06/05/1991 | EP0430001A1 Process for preparing benzaldehydes |
| 06/04/1991 | CA1284665C Process for hydroxymethylation |
| 05/30/1991 | WO1991007385A1 Preparation of propenoic acid derivatives |
| 05/18/1991 | WO1991007371A1 METHOD FOR THE PREPARATION OF α,β-UNSATURATED KETONES |
| 05/18/1991 | CA2044603A1 Method for the preparation of .alpha.,.beta.-unsaturated ketones |
| 04/16/1991 | US5008406 Hemiacetal compounds and the applications thereof |
| 04/16/1991 | US5008235 Catalysts of Cu-Al-third metal for hydrogenation |
| 04/03/1991 | CN1050373A Process for preparing optically active 2-aryl-alkanoic acid, in particular 2-aryl propionic |
| 04/02/1991 | US5004823 Low pressure rhodium catalyzed hydroformylation of olefins |
| 04/02/1991 | US5004569 Process for the production of carboxylic acid esters |
| 03/20/1991 | EP0417187A1 Ruthenium-catalyzed production of cyclic sulfates |
| 03/20/1991 | CN1050021A Synthetic process of diterpenic lactone |
| 03/19/1991 | US5001273 Method for preparing asymmetric aliphatic ketones |
| 03/19/1991 | US5001224 Organic syntheses employing supercritical carbon dioxide as a reaction solvent |
| 03/06/1991 | EP0415235A2 Process for carefully esterification of a carboxylic acid with an alcohol component |
| 03/05/1991 | US4997958 Process for producing ascorbic acid 6-esters |
| 02/26/1991 | CA1280756C Preparation of cyclohexanedione derivatives |
| 02/13/1991 | EP0412378A1 Process for producing alpha-keto-carboxylic acid ester |
| 01/23/1991 | EP0409418A1 Heterocyclic tertiary alcohols |
| 01/23/1991 | EP0408634A1 Organic synthesis employing supercritical carbon dioxide as a reaction solvent |
| 01/08/1991 | US4983739 Optically active styrene compounds |
| 01/02/1991 | EP0405487A1 Phenoxypyridinamines and related compounds, a process for their preparation and their use as medicaments |
| 01/01/1991 | US4982017 Composition for use in organolithium synthesis reactions |
| 01/01/1991 | US4981973 Bronsted acid, ruthenium catalyst |
| 12/30/1990 | CA2020088A1 Phenoxypyridinamines and related compounds, a process for their preparation and their use as medicaments |
| 12/12/1990 | EP0402104A2 Racemization of a carboxylic acid |
| 12/07/1990 | CA2018295A1 Racemization of a carboxylic acid |
| 12/05/1990 | EP0401001A2 Chemiluminescent doubletriggered 1,2-dioxetanes |
| 12/01/1990 | WO1990015040A1 Chemiluminescent double-triggered 1,2-dioxetanes |
| 11/29/1990 | WO1990014073A1 Pharmaceutical preparation |
| 11/22/1990 | EP0398288A2 Process for preparing optically active 2-arylalkanoic acids, in particular 2-arylpropionic acids |
| 11/22/1990 | EP0398287A1 Pharmaceutical preparation |
| 11/16/1990 | CA2016888A1 Pharmaceutical preparation |
| 11/16/1990 | CA2016887A1 Process for preparing optically active 2-aryl-alkanoic acids, in particular 2-aryl propionic acids |
| 11/07/1990 | EP0395729A1 Ligand-accelerated catalytic asymmetric dihydroxylation. |
| 10/30/1990 | US4967009 Reacting unsaturated aromatic compounds with aromatic iodosyl compounds to yield aromatic aldehydes or ketones |
| 10/30/1990 | US4966995 Process for the preparation of chlorides of carboxylic acids |
| 10/09/1990 | US4962198 Process for the hydroxylation of electrophilic aromatic compounds |
| 10/03/1990 | EP0390273A1 Resolution of a carboxylic acid |
| 10/02/1990 | US4960960 Hydrogenation process |
| 10/02/1990 | US4960949 Low pressure rhodium catalyzed hydroformylation of olefins |
| 09/30/1990 | CA2013523A1 Resolution of a carboxylic acid |
| 09/25/1990 | US4959494 Oxidation of organic compounds with pyrochlore catalysts |
| 09/25/1990 | US4959377 Phenoxypyridinamine compounds which are use as a dermatological composition |
| 09/25/1990 | US4959339 Heat-resistant noble metal catalyst and method of producing the same |
| 09/19/1990 | EP0387605A2 Process for the stereoselective preparation of optically active S,S or R,R-beta-aminoalcohols |
| 09/18/1990 | CA1274248A1 METHOD OF PREPARING .alpha.-ARYLALKANOIC ESTERS |
| 09/12/1990 | EP0387196A1 Complexes with optically active ligands, process for their preparation and their use |
| 09/08/1990 | CA2011584A1 Complexes having optically active ligands, a process for their preparation and their use |
| 09/05/1990 | EP0385874A1 Functionalisation at position (n+1) of aryl derivatives disubstituted at position n and (n+2) |
| 09/04/1990 | US4954592 Hydrogenation catalysts |
| 09/04/1990 | CA1273630A1 Deprotection of allylic esters and ethers |
| 09/03/1990 | CA2011348A1 Process for functionalizing n and (n+2) disubstituted arylic derivatives in the (n+ 1) position |
| 08/07/1990 | US4946997 Using acid anhydride and its conjugate base |
| 08/01/1990 | EP0379987A2 Process for the preparation of alpha-arylalkanoic acids |
| 07/27/1990 | CA2007392A1 Process for the preparation of .alpha.-arylalkanoic acids |
| 07/17/1990 | CA1271773A1 Bis-phosphite compounds |
| 07/17/1990 | CA1271772A1 Oxidation of organic compounds using ceric ions in aqueous methanesulfonic acid |
| 07/10/1990 | US4940813 Resolution of a carboxylic acid |
| 07/10/1990 | US4940787 Process for the carbonylation of acetylenic unsaturated compounds |
| 07/04/1990 | EP0376859A1 Method for functionalization of nucleophiles |
| 06/28/1990 | WO1990006911A1 Method for functionalization of nucleophiles |
| 06/28/1990 | WO1990006810A1 Low pressure rhodium catalyzed hydroformylation of olefins |
| 06/27/1990 | EP0375573A1 Low pressure rhodium catalyzed hydroformylation of olefins |
| 06/22/1990 | CA2004707A1 Low pressure rhodium catalyzed hydroformylation of olefins |
| 06/20/1990 | EP0373938A2 Formaldehyde resistant catalyst for hydrogenation and hydrogenolysis of aldehydes, acetals, and esters |
| 06/15/1990 | CA2004040A1 Formaldehyde resistant catalyst for hydrogenation and hydrogenolysis of aldehydes, acetals, and esters |
| 06/12/1990 | US4933511 Organometallic catalysts |
| 06/12/1990 | US4933510 Propanol derivatives |
| 06/12/1990 | CA2004700A1 Method for functionalization of nucleophiles |
| 05/29/1990 | US4929772 Process for preparing polyhalogenated carbinols |
| 05/29/1990 | US4929771 Process for the preparation of alkyl-substituted phenols or naphthols |
| 05/22/1990 | CA1269394A1 Ceric oxidant |
| 05/22/1990 | CA1269393A1 Oxidation of organic compounds using ceric ions in aqueous trifluoromethanesulfonic acid |
| 05/08/1990 | CA1268761A1 Method of carrying out chemical dehydration reaction and an apparatus therefor |
| 05/01/1990 | US4922009 Stereoconvergent process for preparing optically active carboxylic acids |
| 04/25/1990 | EP0365383A1 Method of hydroxycarbonylation |
| 04/10/1990 | US4916252 Process for preparing optically active alcohol |
| 04/04/1990 | EP0361620A2 Alkoxylation using modified group IIIB metal-containing bimetallic or polymetallic catalysts |
| 04/04/1990 | EP0361619A2 Alkoxylation catalysis |
| 04/04/1990 | EP0361618A2 Alkoxylation using modified calcium-containing catalysts |