Patents
Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686)
03/1993
03/10/1993EP0518977A4 Process for the production of methyl ethyl ketone
03/10/1993EP0518948A4 Catalytic system for olefin oxidation to carbonyl products
03/10/1993EP0506760A4 Catalytic method to produce hydroxy substituted arylophenones
03/10/1993CN1069674A Synthetic methyl isobutyl acetone molecular sieve catalyst and its preparation method
03/09/1993US5192817 Interleukin-1 inhibitors
03/04/1993WO1993004098A1 Macromonomers having reactive side groups
03/04/1993WO1993004072A1 METAL β-DIKETONATES
03/04/1993CA2113715A1 Metal .beta.-diketonates
03/03/1993EP0530015A1 Optically active diphosphines, intermediates thereof, and processes for production thereof
03/03/1993EP0529517A2 Process for producing 2-methyl-1,3-cyclohexanedione and 2-methylresorcinol
03/03/1993EP0529159A1 Cyclic carbonyl containing polymers
03/03/1993CN1069484A Phenylalkyl acid derivetives, process for preparing same and process for separating optical isomeride
03/02/1993US5191133 Process for preparation of 2-vinylnaphthalene
03/02/1993US5191132 Fluorene Derivatives
03/02/1993US5191125 Procedure for the preparation of bicyclo [3.2.0]hept-2-en-7-ones
03/02/1993US5191121 Aroyl ketone derivative, UV ray absorber comprising the same, and cosmetic composition containing the same
03/02/1993US5191108 Lipoxygenase inhibitors, antiinflammatory agents
02/1993
02/24/1993EP0528699A2 Saishin N derivatives, process for their preparation and anti-ulcer agents containing them
02/24/1993EP0528694A2 Method for producing optically active 3-substituted-2-norbornanones and their intermediates
02/24/1993EP0528244A2 Process for producing a beta-Ketoalcohol
02/24/1993EP0495073A4 Methide salts, formulations, electrolytes and batteries formed therefrom
02/23/1993US5189013 Campholenic tertiary alcohol and its use as a perfuming ingredient
02/22/1993CA2076479A1 Benzo ¬f| quinolinones
02/22/1993CA2076362A1 Saishin n derivatives, process for preparing same and untiulcer agents containing same
02/21/1993WO1993004026A1 Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol
02/18/1993WO1993003001A1 Trimethylhexanal derivatives, their preparation and their use
02/18/1993WO1993002999A1 Phenylalkanoic acid derivative, production thereof, and separation of optical isomers thereof
02/18/1993WO1993002998A1 Bicyclic compounds, their preparation and their use
02/18/1993WO1993002711A1 Use of persistent free-radicals in magnetic resonance imaging
02/18/1993WO1993002710A2 Use of persistent free radicals in magnetic resonance imaging
02/18/1993CA2115260A1 Use of persistent free-radicals in magnetic resonance imaging
02/18/1993CA2115256A1 Phenylalkanoic acid derivatives, process for producing the same and process for separating optical isomers thereof
02/17/1993EP0527661A1 Metal beta-diketonates
02/17/1993EP0527623A2 Allylic oxidation of olefins
02/17/1993EP0527614A1 Purification of oxidatively labile organic compouds by selectively removing cyanide using a cyanide reacting enzyme
02/17/1993CN1069021A Process for removing acetone from mixture comprising acetone, methyl acetate and methyl iodide
02/16/1993CA1313678C Process for producing an aqueous 4-hydroxyacetophenone (4-hap) which is stable at room temperature
02/16/1993CA1313670C2 Carbacyclin analogs
02/13/1993CA2074880A1 Allylic oxidation of olefins
02/10/1993EP0526849A1 Novel substituted N-Fluoropyridiniumsulfonate, intermediates therefor and preparation processes thereof
02/10/1993EP0526737A1 Process for the preparation of dihydroxyacetone
02/10/1993CN1068829A Organometallic fluorenyl compounds, preparation, and use
02/09/1993US5185469 Process for acylation or alkylation of aromatic compounds in hydrogen fluoride
02/09/1993US5185463 Process for the preparation of an antiviral agent
02/09/1993US5185454 Reacting aryl bromide with acetylene in presence of palladium catalyst and nitrogen-containing heterocyclic base
02/09/1993US5185447 Treating polycyclic nitro compounds with aqueous base; cognition activators
02/09/1993US5185370 Treatment of inflammatory bowel disease
02/09/1993US5185318 Aromatic compounds, a process for preparation thereof and use of same as perfuming ingredients
02/09/1993US5185317 Method of forming superconducting Tl-Ba-Ca-Cu-O films
02/04/1993WO1993002177A1 Hops-derived foam stabilizing and bittering agents
02/04/1993WO1993002084A1 Process for the manufacture of spiroketals
02/04/1993DE4125765A1 Trimethylhexanal-derivate, deren herstellung und verwendung Trimethylhexanal derivatives, their preparation and use
02/03/1993EP0525768A1 Tetralones with pharmacological activity
02/03/1993EP0525766A2 Process for purifying boric acid for hydrocarbon oxidation
02/03/1993EP0525683A1 Melt viscosity depressant for polyester resin and polyester resin composition comprising the same
02/03/1993EP0307458B1 Processes for isomerizing and oxidative iodinating aromatic compounds
02/02/1993US5183942 Ten-membered ring enediynediols and enediynediones having DNA cleaving properties
02/02/1993US5183924 Derivatives of benzocycloalkenyldihydroxyalkanoic acids, processes of preparation and medications containing them
02/02/1993CA2074991A1 Novel substituted n-fluoropyridiniumsulfonate, intermediates therefor and preparation processes thereof
02/02/1993CA1313331C Use of diketone precursors in food products
01/1993
01/31/1993CA2074864A1 Tetralones with pharmacological activity
01/28/1993DE4124886A1 Bicyclische verbindungen, deren herstellung und verwendung Bicyclic compounds, their preparation and use
01/28/1993DE4124726A1 New 8-alpha-13,14,15-tetra:hydroxy-labdane derivs. - are sclareolide intermediates obtd. in high yield from sclareol
01/27/1993EP0524742A2 Benzo(a)fluorene compounds
01/27/1993EP0524624A2 Organometallic fluorenyl compounds, preparation, and use
01/23/1993CA2073488A1 Benzo (a) fluorene compounds
01/21/1993WO1993001173A1 Production of aromatic olefins
01/21/1993WO1993001172A1 Palladium-catalyzed arylation/alkylation of non-conjugated dienes
01/21/1993WO1992008450A3 Antiviral use of a 2,6-di-t-butylphenol compound substituted in position 4, particularly in relation to herpesviruses and papillomaviruses
01/21/1993DE4123322A1 2-Chloro-3,4,5-tri;fluoro-benzoic acid and 5-chloro isomer - obtd. by reaction of 2,3,4-tri:fluoro-chloro-benzene with mono: or di:chloro-acetyl chloride, followed by reaction with sodium hypochlorite
01/20/1993EP0523138A1 Novel derivatives of phenyl-cycloalkanes and -cycloalkenes
01/19/1993US5180872 Process for the preparation of styrene derivatives extended at the double bond by ethylene and having a double bond remaining in the extension chain formed and new styrene derivatives extended with ethylene
01/19/1993US5180844 Chemical intermediates for prostaglandins
01/19/1993US5180758 Process for preparing anthracyclinones
01/19/1993US5180737 Insecticides, nematocides or anthelmintics
01/19/1993US5180736 Polycyclic amines useful as cerebrovascular agents
01/19/1993US5180709 Perfumes
01/19/1993CA1312878C Preparation of arylene oligomers
01/13/1993EP0522067A1 Use of organic derivatives of rhenium oxides as catalysts for ethenolytic metathesis of olefinic compounds and process for ethenolytic metathesis of olefinic compounds using these catalysts.
01/12/1993US5178852 Cosmetic and pharmaceutical compositions containing lipophilic derivatives of benzylidenecamphor and new lipophilic derivatives of benzylidenecamphor
01/10/1993CA2073468A1 Preparation of dihydroxyacetone
01/07/1993WO1993000320A1 Method of preparing ketones derived from fatty acids
01/07/1993EP0521571A2 Procedure for the preparation of bicyclo [3.2.0] hept-2-en-7-ones
01/07/1993EP0521465A2 Anti-fungal benzophenones
01/07/1993EP0521449A2 Process for producing pyrethrolone and its intermediate compound
01/07/1993DE4121117A1 Verfahren zur herstellung von fettketonen A process for the production of fatty ketones
01/05/1993US5177259 Diarylalkanoids having activity as lipoxygenase inhibitors
01/05/1993US5177222 Sunscreen Agents
01/05/1993US5177111 Analgesic
01/05/1993US5176854 Xanthone Derivatives
01/02/1993CA2072806A1 Benzophenones having an antifungal activity
01/02/1993CA2068966A1 Process for producing pyrethrolone and its intermediate compound
12/1992
12/30/1992EP0520391A2 Chemical modification method of a diastereomer and separation method thereof
12/30/1992EP0520290A2 Ethers of 1-hydroxy-hex-5-en-2-on, process for their preparation and their use in perfumery
12/30/1992EP0338054B1 Cross coupling of titanium organyls
12/29/1992US5175316 Cyclic preparation of cyclohexene oxide, cyclohexanol and cyclohexanone
12/29/1992US5175302 Nucleophilic fluoroalkylation of aldehydes
12/23/1992WO1992022529A1 Process for the preparation of pure isomeric forms of 3,3,5-trimethyl cyclohexanol and 3,3,5-trimethyl cyclohexanone amino acid esters
12/23/1992EP0519569A2 Catalytic oxidation of hydrocarbons
12/23/1992EP0519084A1 Process for producing simultaneously an aromatic hydroxy compound and a carbonyl compound