Patents
Patents for C07B 41 - Formation or introduction of functional groups containing oxygen (3,087)
04/2000
04/20/2000DE19846497A1 Verfahren zur Übertragung von alpha,beta-ungesättigten Alkylgruppen auf Elektrophile Method for transmission of alpha, beta-unsaturated alkyl groups to electrophilic
04/13/2000WO1999064129A3 Process for preparing hydroxylated aromatics by hydrogen and oxygen
04/12/2000EP0992474A1 Process for transferring alpha,beta-unsaturated alkyl groups to electrophiles
04/12/2000EP0991793A1 Method for preparing 2-aryl or 2-heterocyclyl chiral propionic acids and their esters
04/06/2000WO2000018507A1 Process for manufacture and use of improved attrition resistant catalyst
04/05/2000EP0990634A1 Acylating agents, acylation method with the use of the same and adamantane derivatives
04/05/2000EP0990631A1 Process for cooxidizing organic compounds, process for producing epoxy compounds and process for producing esters or lactones
04/05/2000CN1249737A Method for acylation or sulphonation of aromatic compound
04/05/2000CN1051087C Process for preparation of diisopinocampheylchloroborane
04/04/2000US6046365 Process for preparing cyclohexanones by hydrogenation of the corresponding phenols (I.)
03/2000
03/29/2000EP0765192B1 Intermetallic ruthenium-tin catalyst for use in aldehyde synthesis
03/22/2000EP0986526A1 Method for oxidizing an organic compound containing at least on c-c double bond
03/15/2000EP0984831A1 Moulded activated metallic fixed-bed catalyst
03/14/2000US6037507 Oxidation process of branched aliphatic hydrocarbons and process for producing the oxide
03/14/2000US6037482 Process for catalytic addition of nucleophiles to alkynes or allenes
02/2000
02/23/2000EP0980706A1 Oxidation catalyst system and method of oxidation with the same
02/17/2000WO2000007965A1 Method for reacting an organic compound with a hydroperoxide
02/17/2000WO2000007964A1 Method for oxidizing hydrocarbons
02/17/2000DE19835907A1 Verfahren zur Umsetzung einer organischen Verbindung mit einem Hydroperoxid A process for reacting an organic compound with a hydroperoxide
02/17/2000DE19835481A1 Verfahren zur Oxidation von Kohlenwasserstoffen A process for the oxidation of hydrocarbons
02/17/2000CA2339769A1 Method for oxidizing hydrocarbons
02/17/2000CA2339710A1 Process for the reaction of an organic compound with a hydroperoxide
02/09/2000EP0978315A1 Crystalline titanostannosilicalite molecular sieve and process for epoxidation of olefins
02/01/2000US6020522 Process for producing aromatic hydroxycarboxylic acid derivatives
01/2000
01/25/2000US6017499 Apparatus for contacting solids in the form of freeflowing lumps with liquids or gases
01/20/2000WO2000002876A1 Improved process of synthesis of 5-methoxy- 2-[(4-methoxy- 3,5-dimethyl- 2-pyridyl)methyl]sulfinyl-1h-benzimidazole
01/19/2000CN1241564A Epoxidation of olefing using catalyst containing titanostannosilicalites
01/05/2000EP0968196A1 Perfluorovinyl ionic compounds and their use in conductive materials
01/05/2000EP0852582B1 Modified fluorosulfonic acids
01/05/2000CN1240212A Process for reducing prochiral ketone to produce optically active alcohol of high optical purity
01/04/2000US6011183 Process for preparing organic hydroperoxides
12/1999
12/16/1999WO1999064376A1 Oxidation process in the presence of carbon dioxide
12/16/1999WO1999064129A2 Process for preparing hydroxylated aromatics by hydrogen and oxygen
12/16/1999CA2334629A1 Oxidation process in the presence of carbon dioxide
12/15/1999EP0963972A2 Stereoselective reduction of carbonyl compounds
12/15/1999CN1238327A Stereoselective reduction of carbonyl compounds
12/15/1999CN1047383C Process for preparation of aldehydes
12/09/1999CA2273643A1 Stereoselective reduction of carbonyl compounds
11/1999
11/30/1999US5994567 Liquid phase oxidation process
11/17/1999EP0956278A1 Method for reducing a carbonyl-containing compound
11/17/1999CN1235141A Process for preparing organic compound
11/16/1999US5986137 Catalytic allylation of aromatic alcohols or amines
11/10/1999CN1046218C Catalyst system for carbonylation of acetylenically unsaturated compounds
11/09/1999US5981420 Oxidation catalysts system consists of an n-hydroxy or n-oxy imide compound and a transition metal compound excluding a polyacid as cocatalyst
11/03/1999EP0952980A1 Acyl transfer with stabilised transition complex using catalyst with catalytic imidazole (e.g. histidine) function
10/1999
10/28/1999WO1999054041A1 Regeneration of sulfonic acid resin catalyst used in the production of ether
10/26/1999US5973210 Intermetallic ruthenium tin-catalyst for use in aldehyde synthesis
10/26/1999US5973197 Process for the preparation of carboxylic acids by carbonylation in the presence of rhodium
10/21/1999WO1999052850A1 Oxidation process using periodic acid
10/21/1999CA2327929A1 Oxidation process using periodic acid
10/20/1999EP0950649A1 A process for preparing oxyalkylene derivatives in the presence of phosphine oxides
10/13/1999EP0871621A4 Asymmetric synthesis catalyzed by transition metal complexes with new chiral ligands
10/07/1999WO1999050204A1 Process for cooxidizing organic compounds, process for producing epoxy compounds and process for producing esters or lactones
10/05/1999US5962752 Hydroxylation; one step conversion of benzene to phenol
10/05/1999US5962711 Critical temperature, critical pressure
10/05/1999US5962706 Organoleptics
09/1999
09/28/1999US5958822 Possessing a sulfonic acid fluoride, chloride or ester group or a sulfonic acid or a salt of a sulfonic acid group at one end and respectively a hydrolyzable or hydrolyzed silane group at the other end. catalysts for alkylation, acylation,
09/21/1999US5955634 Group viii metal catalyst with water soluble phosphine coordinating agent
09/16/1999CA2265318A1 Hydroformylation of olefin feeds containing dienes
09/14/1999US5952532 Hydroxylation of aromatics using molecular oxygen as the terminal oxidant without coreductant
09/10/1999WO1999045173A1 Method for carboxylating terminal alkynes
09/10/1999WO1999025666A3 Process for the selective oxidation of organic compounds
09/08/1999EP0789681B1 Method for preparing carboxylic acids by carbonylation in the presence of rhodium
09/02/1999WO1999026936A3 Process for the selective oxidation of organic compounds
09/01/1999EP0809626B1 Production of enantiomerically enriched ortho-substituted alpha, alpha diaromatic methanols
08/1999
08/31/1999US5945560 Continuous preparation of alkyl esters of (meth) acrylic acid
08/31/1999CA2175781C Process for the production of petrochemicals
08/26/1999WO1999042211A1 Oxidation catalyst system and method of oxidation with the same
08/19/1999WO1999041219A1 Acylating agents, acylation method with the use of the same and adamantane derivatives
08/19/1999WO1999041215A1 Cleavage of carbon-nucleophile bonds
08/18/1999CN1225852A Dicarbonic oxygen-contained compound catalyst such as alcohols, acetic acid, acetaldehyde etc. made from synthetic gas and process thereof
08/18/1999CN1044702C Ozonide reducing method
08/11/1999CN1225641A Acyl transfer with stabilized transition complex using catalyst with catalytic imidazole (e. g. histidine) function
08/10/1999US5936106 Process with porous means to control reaction rate and heat
08/05/1999WO1999038613A1 Method for producing catalysts containing ruthenium and the use thereof for hydrogenation
08/05/1999DE19803888A1 Verfahren zur Herstellung von Ruthenium enthaltenden Katalysatoren und deren Verwendung bei Hydrierungen A process for the production of ruthenium-containing catalysts and their use in hydrogenations
07/1999
07/28/1999EP0638058B1 Alkoxylation process
07/21/1999EP0929501A1 Alkylation and acylation reactions
07/07/1999CN1222131A Acylation method for aromatic compound
07/01/1999WO1999032434A1 Process for the synthesis of 1,3-diols
06/1999
06/30/1999EP0926121A1 Reaction of alkenes with epoxides, the products thereof and their use as fragrance compounds
06/29/1999US5917049 Process for the preparation of dicarboxylic acids
06/24/1999WO1999031030A1 O-alkylation of phenol compounds
06/22/1999US5914013 Selective thermal and photooxidation of hydrocarbons in zeolites by oxygen
06/15/1999US5912388 In the presence of a base, a catalytic amount of a copper salt and a suitable lignad under anhydrous conditions.
06/08/1999CA2119997C Process for the manufacture of alkyl ketene dimers by dimerization with tertiary amines
06/03/1999WO1999026936A2 Process for the selective oxidation of organic compounds
05/1999
05/27/1999WO1999025666A2 Process for the selective oxidation of organic compounds
05/19/1999EP0916397A2 Apparatus and method used in multiple, simultaneous synthesis of general compounds
05/14/1999CA2253164A1 Apparatus and method used in multiple, simultaneous synthesis of general compounds
05/13/1999CA2253215A1 Process for preparing organic hydroperoxides
05/12/1999EP0914205A1 Oxidation process of organic substrates in the presence of metal complexes of tetra-, penta- and hexacoordinating ligands, and oxidation catalysts containing them
05/12/1999EP0737103B1 Process for producing an iridium solution and use of same as catalyst.
05/11/1999US5902896 Reacting paraformaldehyde with acidic compounds such as diethyl malonate in an anhydrous medium using a basic catalyst; high yields; chemical intermediates for ultraviolet stabilizers or radioopaque media production
05/11/1999US5902895 Method for the continuous production of esters of thermally unstable acids
05/06/1999WO1999021817A1 Reaction of alkenes with epoxides, the products thereof and their use as fragrance compounds
05/06/1999WO1999021810A1 Method for producing phenols, aldehydes, esters and/or ketones from lignin and/or lignin sulphonic acid
05/06/1999DE19747688A1 Verfahren zur Herstellung von Phenolen, Aldehyden, Estern und/oder Ketonen aus Lignin und/oder Ligninsulphonsäure A process for producing phenols, aldehydes, esters and / or ketones of lignin and / or Ligninsulphonsäure
05/06/1999CA2309141A1 Method for producing phenols, aldehydes, esters and/or ketones from lignin and/or lignin sulphonic acid
04/1999
04/22/1999WO1999019275A1 Process for electrophilic aromatic substitution
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