Patents
Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686)
04/1990
04/11/1990EP0362638A2 Method of preparing symmetrical and unsymmetrical monoacetals of aromatic 1,2-diketones
04/11/1990EP0362309A1 (ethylenedioxo-3,3 cyclohexyl)-4 acetophenone and derivatives thereof, processes for preparing them and use of these compounds.
04/11/1990EP0245315B1 PROCESS FOR PREPARING $g(a)-HYDROXY CARBONYL COMPOUNDS
04/10/1990US4916147 3-[(4-Aroyl) phenoxy (or phenylthio)]-cyclopentanecarboxylic acid analogues and treatment of cerebral edema therewith
04/10/1990CA1267658A1 Method for preparing 3-ethylbenzophenone
04/10/1990CA1267656A1 Photoinitiators for photopolymerization of unsaturated systems
04/07/1990CA2000121A1 Alkane oxidation process
04/05/1990WO1990003409A1 Fluorination of epoxides
04/05/1990WO1990003353A1 Liquid phase fluorination
04/05/1990WO1990003113A1 Attractance for dacus latifrons, the malaysian fruit fly
04/04/1990EP0361532A2 Ethane derivatives
04/04/1990EP0361479A2 Process for decomposing aromatic acylated compound.HF-BF3 complex
04/04/1990EP0361469A2 Thermoplastic resin composition
04/04/1990EP0361119A1 Process for the production of benzophenones
04/04/1990EP0361067A1 Disubstituted naphthalines, preparation processes and their herbicidal use
04/04/1990CN1040976A Process for preparing substituted beta-diketones
04/03/1990US4914242 Process for preparing 3-ethylbenzophenone
04/03/1990US4914229 Novel preparation of compounds of the 4-oxodamascone series, and novel scents from this class of compounds
04/03/1990CA1267420A1 Bicyclic naphthalenic derivatives, process for their preparation and use in human and veterinary medicine
04/03/1990CA1267363A1 Cosmetics
03/1990
03/28/1990EP0360622A2 Novel optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements
03/28/1990EP0360351A1 Process for the preparation of cyclopentene, cyclopentane and cyclohexane derivatives
03/28/1990EP0360127A2 Oxygenated bicyclic derivatives and their use as perfuming ingredients
03/28/1990CN1040785A Fungicidal compositions
03/27/1990US4912262 Reacting a cyclohexane-1,3,5-trione compound with a acylnitrile in presence of a base and Lewis acid
03/27/1990US4912261 Stable isopropenyl acetophenone solutions
03/27/1990US4912251 Reacting 2-cyclopentenone derivative with an acetone dicarboxylic acid diester in presence of a base
03/27/1990US4912238 Substituted 1,1,1-triaryl-2,2,2-trifluoroethanes and processes for their synthesis
03/27/1990US4912183 Free radical catalyst; calixarene derivative
03/27/1990US4912121 Heterocyclic compounds and their use as pesticides
03/27/1990CA1267153A1 Benzonorbornene derivatives; process for preparing the same and cosmetic compositions containing these derivatives
03/22/1990WO1990002724A1 SUBSTITUTED β-DIKETONES
03/22/1990DE3931269A1 Neue benzylidencyclanon-derivate, verfahren zu ihrer herstellung, ihre verwendung als antioxidationsmittel und als sonnenfilter sowie kosmetische und pharmazeutische mittel, die diese derivate enthalten New benzylidencyclanon derivatives, process for their production, their use as anti-oxidant and as sun filters and cosmetic and pharmaceutical products containing these derivatives
03/21/1990EP0359305A1 Cyclopentane derivatives
03/21/1990EP0167553B1 New therapeutical application of an indane dione derivative and pharmaceutical compositions intended to said utilization
03/20/1990US4909854 Process for augmenting or enhancing the aroma or taste of smoking tobacco or smoking tobacco articles using tricyclic alcohols, ethers and/or esters and smoking tobacco compositions and articles so modified
03/14/1990EP0358259A1 Fungicidal compositions
03/14/1990CN1040332A Fluorine-containing aromatic sulfonic acid catalyst, process for the prodn. and use thereof
03/13/1990US4908481 Condensing acetone with 1-(4-tert-alkoxyphenyl)benzaldehyde, hydrogenating
03/13/1990US4908425 Chain-extended poly(aryl ether ketones)
03/13/1990CA1266682A1 Preparation of methyl isopropyl ketone and isoprene
03/13/1990CA1266680A1 Process for preparing aldehydes and ketones; products thus obtained
03/13/1990CA1266672A1 Dyarylacetylenes, their preparation and their use
03/07/1990EP0357403A2 Substituted beta-diketones
03/07/1990EP0357372A2 Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element
03/07/1990EP0356869A1 Process for the preparation of a cyclic, unsaturated ketone
03/07/1990EP0356765A2 Carboxylic acid derivatives, their production and use
03/06/1990US4906785 Novel trifluorinated vitamin D3 intermediates
03/06/1990US4906414 Chlorinated β-ketoesters
02/1990
02/28/1990EP0355774A2 Nucleus-fluorinated aromatic carboxylates and processes for their production
02/28/1990EP0355350A1 Process for the preparation of 4,4-dimethyl-1-(p-chlorophenyl)-pentan-3-one
02/27/1990US4904815 Phenols and their production
02/27/1990US4904661 Phenol derivatives
02/27/1990US4904640 2-alkylidene-3,3,5(3,5,5)-trimethyl cyclopentanones
02/27/1990CA1266237A1 Composition and method for the treatment of hemorrhoids
02/22/1990WO1990001490A1 4-substituted anthracyclinones and anthracycline glycosides and their preparation
02/21/1990EP0354995A1 4-Substituted anthracyclinones and anthracycline glycosides and their preparation
02/21/1990EP0354991A1 Process for the hydrogenation of alpha-, beta-unsaturated ketones
02/21/1990CN1039799A Preparation and application for 2-(2'-nitrobenzoyl)-1, 3-cyclohe-xanediones
02/20/1990US4902716 Anti-viral chamigrene derivatives
02/14/1990EP0354681A2 Ultraviolet radiation absorbing naphthalenylidene compositions
02/14/1990EP0354434A2 Process for the preparation of rod-like compounds
02/13/1990US4900871 Hydrocarbon oxidations catalyzed by iron coordination complexes containing a halogenated ligand
02/13/1990US4900870 Process for the preparation of cycloaliphatic ketones
02/13/1990US4900823 Phenyl ketone derivatives
02/13/1990US4900413 Process for direct carbonylation of hydrocarbons
02/13/1990CA1265816A1 Process for the preparation of ethylenic carbonyl compounds
02/13/1990CA1265793A1 Cycloaliphatic unsaturated derivatives, process for their preparation and use as therapeutic agents
02/07/1990EP0354078A2 Derivatives of benzocycloheptene, method for their preparation and pharmaceutical compositions containing same
02/07/1990EP0353898A1 Neat (solventless) hydrogenation of 4-acetoxyacetophenone in the production of 4-acetoxystyrene and its polymers and hydrolysis products
02/07/1990EP0353683A2 Bioconversion
02/07/1990EP0353339A2 A process for the production of poly(3-mono or 3,5-disubstituted-4-Acetoxystryrenes), their copolymers and hydrolysis thereof
02/07/1990CN1039412A Neat (solventless) hydrogenation of 4-acetoxyacetophenone in production of 4-acetoxystyrene and its polymers and hydrolysis products
02/06/1990US4898989 Using substituted heteropolyacid catalyst
02/06/1990US4898988 Transition metal catalytic hydrogenolysis of isoxazolines in fixed bed reactor; acid and buffer-free
02/06/1990US4898986 Inosose derivatives, production and use thereof
02/06/1990US4898985 Process for preparing 3,5,5-trimethylcyclohexa-2-en-1,4-dione
02/06/1990US4898984 Process for preparing 3,5,5,-trimethyl-4-hydroxy-2-cyclohexen-1-one
02/06/1990US4898983 Preparation of aryl carbonyl compounds
02/06/1990US4898889 Methods for the treatment of hypertension
02/06/1990US4898883 1-Substituted derivatives of 4-methoxy-2,3,6-trimethylbenzene, process for their preparation and medicinal and cosmetic compositions containing them
02/06/1990US4898864 Bicyclic aromatic compounds, a process for their preparation and their use in cosmetics and human and veterinary medicine
02/06/1990US4898855 Treating osteoporosis and antiinflammatory agent
01/1990
01/31/1990EP0352956A1 Process for the production of halobenzophenone derivatives
01/31/1990EP0352674A2 Process for the preparation of ketones
01/31/1990EP0352456A1 Process for the preparation of alpha, beta-unsaturated ketones
01/30/1990US4897198 Separation agent comprising 1,3-glucan
01/30/1990US4897085 Solvent extraction with ethylbenzene
01/30/1990CA1265158A1 Method for preparing 3-ethylbenzophenone
01/30/1990CA1265134A1 Hydroxy-1 acyloxy-8 acyl-10 anthrones, process for their preparation and use in human and veterinary medicine as well as in the cosmetics industry
01/24/1990EP0352150A1 Process for the preparation of meta-substituted fluoro or alkyl benzene derivatives
01/24/1990EP0351650A2 Fluorocyclopropyl derivatives
01/24/1990EP0351649A2 2,2-Dihalocyclopropyl-hydroxy-ethyl triazoles
01/24/1990EP0351647A2 2,2-Difluorocyclopropyl derivates
01/24/1990EP0351646A2 Hydroxyalkinyl-azolyl derivatives
01/23/1990US4895984 Acylation of aromatics
01/23/1990US4895975 Diacetylene compound and process for production of polymer containing diacetylene groups from the diacetylene compound
01/23/1990US4895847 Antihypoxic, antiinflammatory, hypotensive
01/23/1990CA1264764A1 Process for producing aromatic diols and their ether derivatives
01/18/1990DE3822501A1 Plant growth regulators