Patents for C07B 41 - Formation or introduction of functional groups containing oxygen (3,087) |
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06/09/1998 | US5763678 Hydroformylation process employing loop reactors |
05/19/1998 | CA2043455C Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts |
05/13/1998 | EP0841331A2 New epoxides, process for their preparation and their use for the preparation of perfume ingredients |
05/13/1998 | EP0840717A1 Preparation of aldehydes or ketones from alcohols |
05/12/1998 | US5750796 Method of producing an alkylene oxide adduct of a compound having one or more active hydrogen |
05/06/1998 | EP0804403A4 A method for forming two terminal carboxylic acid groups from an ozonide |
05/06/1998 | EP0790859B1 Device for bringing pourable solids into contact with gases or liquids |
04/29/1998 | EP0838431A1 Process for the preparation of titanium-containing molecular sieves |
04/29/1998 | EP0837728A1 Supported carbonylation catalyst |
04/25/1998 | CA2219248A1 Process for the preparation of titanium-containing molecular sieves |
04/16/1998 | WO1998015509A1 Alkylation and acylation reactions |
04/16/1998 | CA2265777A1 Alkylation and acylation reactions |
04/14/1998 | US5739076 Mixing hydrolyzable titanium compound with compounds of silicon, aluminum and an organic nitrogen base, then crystallization yields titanium-containing zeolite beta |
04/08/1998 | CN1178517A Process for reduction of carbonyl compounds |
03/24/1998 | US5731477 Without using chlorofluorocarbon gases |
03/18/1998 | CN1176233A Low thickness antifragmentation plates |
03/12/1998 | DE19634406A1 Production of hydroxy-aromatic compounds |
03/11/1998 | EP0827943A1 Processes for the reduction of carbonyl compounds |
03/11/1998 | EP0721442B1 Oxidation of alkylaromatic compounds |
03/10/1998 | US5726327 Process for the production of petrochemicals |
03/04/1998 | EP0826715A1 Method for producing an alkylene oxide adduct of a compound having one more active hydrogen |
03/04/1998 | EP0826490A2 Low thickness antifragmentation plates |
03/04/1998 | EP0825975A1 Process for the preparation of substituted aromatic amino compounds |
03/04/1998 | CN1037585C Gas-solid phase carbonylation catalyst and its prepn. |
03/04/1998 | CN1037584C Iminazoles-rhodium catalyst and its prepn. and use |
02/28/1998 | CA2213981A1 Low thickness antifragmentation plates |
01/28/1998 | EP0820809A1 Titanium catalyst, organotitanium reaction reagent, processes for producing these, and method of reaction using these |
01/28/1998 | CN1171773A Method for preparing carboxylic acids by cartonylation in presence of rhodium |
01/20/1998 | US5710342 Process for preparing carbonyl compounds by catalysed oxidation of olefins and catalysts present microemulsions |
01/20/1998 | US5710339 Bisphosphines as catalysts for asymmetric reactions |
01/20/1998 | US5710292 Rhenium catalysts |
01/20/1998 | CA2116098C Asymmetric syntheses |
01/14/1998 | EP0817764A1 Preparation of cis-4-o-protected-2-cyclopentenol derivatives |
01/07/1998 | EP0775146A4 Novel process for the preparation of diisopinocampheylchloroborane |
01/06/1998 | US5705705 Oxidation of alkylaromatic compounds |
12/30/1997 | US5703246 Reacting an organometallic compound with organosulfur compound |
12/29/1997 | EP0720512B1 CATALYST BASED ON Fe, Co, Bi AND Mo OXIDES |
12/24/1997 | WO1997048665A1 Acylation method for an aromatic compound |
12/24/1997 | CN1168370A Continuous preparation of alkyl esters of (meth) acrylic acid |
12/17/1997 | EP0812308A1 Method for synthesis of aryl difluoromethyl ethers and the like |
12/16/1997 | US5698744 Process for the selective oxidation of compounds |
12/10/1997 | CN1167125A Method for preparing alkoxy compound |
12/04/1997 | WO1997045398A1 Process for producing hydroxyarenes |
12/03/1997 | EP0809626A1 PRODUCTION OF ENANTIOMERICALLY ENRICHED ORTHO-SUBSTITUTED $g(a),$g(a)-DIAROMATIC METHANOLS |
12/02/1997 | US5693820 Ruthenium complexes with a chiral, bidentate phosphine/oxazoline ligand for enantioselective transfer hydrogenation of prochiral ketones |
12/02/1997 | US5693816 Reacting sodium borohydride and boron trichloride with alpha-pinene; for reducing prochiral ketone to corresponding alcohol |
11/27/1997 | DE19720344A1 Converting (m)ethane into oxidation products |
11/27/1997 | DE19620992A1 Verfahren zur Herstellung von Hydroxyarenen A process for preparing hydroxyarenes |
11/25/1997 | CA2134096C Enantioselective oxazaborolidine catalysts |
11/20/1997 | WO1997043302A1 Acyl transfer with stabilised transition complex using catalyst with catalytic imidazole (e.g. histidine) function |
11/20/1997 | CA2254987A1 Acyl transfer with stabilised transition complex using catalyst with catalytic imidazole (e.g. histidine) function |
11/18/1997 | US5688976 Process for the production of 8 α, 12-oxido-13,14,15,16-tetranorlabdane |
11/05/1997 | EP0805141A2 Process for the preparation of esters of thermically unstable acids |
11/05/1997 | EP0804403A1 A method for forming two terminal carboxylic acid groups from an ozonide |
11/05/1997 | CN1163881A Phosgenation under pressure of acids and/or anhydrides for production of acid chlorides |
10/22/1997 | CN1162931A Device for bringing pourable solids into contact with gases or liquids |
10/02/1997 | WO1997035661A1 Transition metal catalysts based on inorganic-organic polymers, manufacture and use thereof |
09/25/1997 | WO1997034694A1 PREPARATION AND USE OF NON-CHROME CATALYSTS FOR Cu/Cr CATALYST APPLICATIONS |
09/25/1997 | DE19612989A1 Übergangsmetallkatalysatoren auf Basis anorganisch-organischer Polymerer, ihre Herstellung und Verwendung Transition metal catalysts based on inorganic-organic polymers, their preparation and use |
09/25/1997 | CA2250132A1 Preparation and use of non-chrome catalysts for cu/cr catalyst applications |
09/23/1997 | US5670685 Process for preparing carboxylates of polyoxyalkylene siloxanes |
09/17/1997 | EP0795535A1 Process and equipment for the continuous preparation of alkyl esters of (meth)acrylic acid |
09/17/1997 | CN1159810A Novel process for the preparation of diisopinocampheylchloroborane |
09/16/1997 | US5668261 Process for preparing carboxylates of alkylpolyglucosides |
09/04/1997 | DE19707285A1 Phosgenierung von Säuren und/oder Anhydriden unter Druck zur Herstellung von Säurechloriden Phosgenation of acids and / or anhydrides under pressure for the preparation of acid chlorides |
08/27/1997 | EP0791041A1 Hydrogenation of substrate and products manufactured according to the process |
08/27/1997 | EP0790859A1 Device for bringing pourable solids into contact with gases or liquids |
08/26/1997 | CA1339376C Alkoxyaltion catalysis |
08/21/1997 | WO1997029991A1 PROCESS FOR PRODUCING BETA ZEOLITE CONTAINING Ti, AND WITHOUT Al |
08/20/1997 | EP0789694A1 METHOD FOR PREPARING 8-$g(a),12-OXIDO-13,14,15,16-TETRANORLABDANUM |
08/20/1997 | EP0789681A1 Method for preparing carboxylic acids by carbonylation in the presence of rhodium |
08/14/1997 | WO1997029062A1 Process for the partial oxidation of alkanes |
08/13/1997 | CN1157007A Hydrogenation of substrate and products manufactured according to process |
08/07/1997 | WO1997028105A1 Processes for the reduction of carbonyl compounds |
08/07/1997 | CA2216537A1 Process for reduction of carbonyl compounds |
08/06/1997 | CA2196915A1 Continuous preparation of alkyl esters of (meth)acrylic acid |
08/05/1997 | US5654491 Process for the partial oxidation of alkanes |
07/08/1997 | US5646330 Reducing an asymmetric biaromatic ketone with an isopinocamphenylborane reducing agent |
07/08/1997 | US5646304 Subjecting oxygen-containing gas to temperature swing adsorption; catalytic oxidation |
07/03/1997 | WO1997023489A1 High oxidation state metal oxo complexes of the phab ligand |
06/25/1997 | EP0780157A1 Ruthenium complex with chiral bidentate phosphinoxazolin ligands for the enantioselective transfer hydrogenation of prochiral cetons |
06/19/1997 | WO1997021648A1 Process for catalytic addition of nucleophiles to alkines or allenes |
06/19/1997 | DE19546610A1 Verfahren zur katalytischen Addition von Nucleophilen an Alkine oder Allene Process for the catalytic addition of nucleophiles to alkynes or allenes |
06/18/1997 | CN1152300A Method for hydroxyalkylating carbocyclic aromatic ether |
06/12/1997 | DE19545822A1 Zeolite(s) containing titanium, used as catalysts for oxidation reactions and as adsorbents |
06/03/1997 | US5635542 Decomposing by alcoholysis with addition of 1,3-dicarbonyl compound to reduce content of low molecular weight aromatic primary amines |
05/29/1997 | WO1997019038A1 Perfluoroalkylation method and reagent therefor |
05/28/1997 | EP0775709A1 Method for preparing di- and higher oxidised carboxylic acids of carbohydrates, carbohydrate derivatives or primary alcohols |
05/28/1997 | EP0775146A1 Novel process for the preparation of diisopinocampheylchloroborane |
05/22/1997 | WO1997018035A1 Oxidation process of organic substrates in the presence of metal complexes of tetra-, penta- and hexacoordinating ligands, and oxidation catalysts containing them |
05/22/1997 | CA2235764A1 Oxidation process of organic substrates in the presence of metal complexes of tetra-, penta- and hexacoordinating ligands, and oxidation catalysts containing them |
05/21/1997 | EP0773918A1 Method for hydroxyalkylating a carbocyclic aromatic ether |
05/20/1997 | US5631393 Hydroformylation reactions of olefins to form acids |
05/15/1997 | WO1997017324A1 Aromatic thioether acylation method |
05/15/1997 | CA2190308A1 Method and apparatus for producing di- and more highly oxidized carboxylic acids |
05/13/1997 | US5629423 Asymmetric synthesis of chiral secondary alcohols |
04/29/1997 | US5625030 Methods for synthesizing oligomers containing hydroxy acid units |
04/17/1997 | WO1997013763A1 Asymmetric synthesis catalyzed by transition metal complexes with new chiral ligands |
04/15/1997 | US5621084 Process for removal of allyl group or allyloxycarbonyl group |
04/02/1997 | EP0765192A1 Intermetallic ruthenium-tin catalyst for use in aldehyde synthesis |