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