Patents
Patents for C07C 45 - Preparation of compounds having co groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds (38,929)
11/1989
11/28/1989CA1263382A1 Carbacyclins, processes for their production and their use as medicinal agents
11/23/1989EP0342849A2 Intermediates for preparing 1,4-dihydro-4-oxo-quinoline-3-carboxylic acid esters
11/23/1989EP0342666A2 Novel biphenyl compounds, method of producing the same as well as liquid crystal compositions and light switching elements each containing the same
11/23/1989EP0342363A2 Angucyclinones from streptomyces, process to obtain them and their use
11/22/1989CN1037338A Improvements in or relating to organic compounds
11/22/1989CN1037327A Process for preparation of 2,3-difluorobenzenes
11/21/1989US4882441 Lower-alkyl or aryl-sulfonyl unsaturated tacopherols
11/21/1989US4882439 Steroid intermediates
11/21/1989US4882085 Lactic acid derivative and liquid crystal composition containing same
11/16/1989WO1989010916A1 Enantioselective addition of hydrocarbons to alpha,beta-unsaturated carbonyl compounds
11/15/1989EP0342035A2 Powdered epoxy resin compositions
11/15/1989EP0341686A2 Novel halogen-containing ester compounds, and their intermediates, and method of producing the same as well as liquid crystal compositions containing the same and light switching elements
11/15/1989CN1037152A Process for preparation of 4-demethoxydauno-mycinone, aglycone of 4-demethoxy-daunoubicin
11/14/1989US4880546 Recovery of transition metals from aqueous solutions
11/14/1989US4880457 Fungicides, plant growth regulators
11/14/1989CA1262915A1 Transition metal complex catalyzed reactions
11/14/1989CA1262893A1 Process for preparing substituted polycyclo- alkylidene polycyclo-alkanes and the corresponding epidioxy compounds; as well as said substituted polycyclo-alkylidene polycyclo-alkanes and the corresponding epidioxy compounds
11/08/1989EP0341124A1 Process for the preparation of fluoro derivatives
11/08/1989EP0340970A2 Preparation of mixtures of butanediols
11/08/1989EP0340827A1 Process for the preparation of cyclohexanol and/or cyclohexanone
11/08/1989EP0340703A1 Process for the production of formyl cyclopropane
11/08/1989EP0340702A1 Process for preparing hydroxybenzaldehydes
11/08/1989EP0340645A1 Formyl-Trimethylbicyclo(2,2,2)oct-7-ene Isomers
11/08/1989EP0340408A1 Process for the preparation of 2-hydroxy-4-(2'-hydroxyethoxy)-benzophenones
11/08/1989CN1036909A Reactive posttreatment for gas separation membranes
11/07/1989USRE33109 Chalcone derivatives
11/07/1989US4879426 Palladium-catalyzed arylation of cycloalkenes
11/07/1989US4879420 Preparation of mixtures of butanediols
11/07/1989US4879418 Process for the preparation of aldehydes
11/07/1989US4879395 Vitamin E intermediate
11/07/1989US4879385 Fungicides
11/07/1989US4879284 Naphthalene derivatives having retinoid type action, the process for preparation thereof and medicinal and cosmetic compositions containing them
11/07/1989US4879060 2-phenylpyridine derivatives and liquid crystal compositions including same
11/07/1989US4879038 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
11/07/1989US4878939 Fungicidal and plant-growth regulating azolyl ether ketones and alcohols
11/07/1989EP0316355A4 Pyrolysis of biomass to produce maximum liquid yields.
11/02/1989WO1989010341A1 Process for producing organofluorine compound
11/02/1989EP0340117A1 Method of diacylation of compounds containing two aromatic rings
11/02/1989EP0339815A2 Process for the preparation of pure cis-cyclopropane carboxylic acids and intermediates therefor
11/02/1989EP0339599A2 Process for producing acylaromatic compounds
11/02/1989EP0339455A2 Process for preparing biaryl compounds
11/02/1989EP0339281A1 Method of purifying benzanthrone
11/02/1989EP0339119A1 Method of reactivating catalyst
11/02/1989DE3827846A1 Process for the preparation of cyclopropylamines
11/01/1989CN1036755A Preparation method for methylene oxide and its derivatives
11/01/1989CN1036754A Process catalyzed oxidation for preparing mixtures of alcohols and ketones from alkane
10/1989
10/31/1989US4877908 Chiral phosphorus compounds, a process for their manufacture and their application to the catalysis of enantioselective synthesis reactions
10/31/1989US4877904 Bicyclic ketones as odorants and flavorants
10/31/1989US4877903 Oxidation of cyclohexane, decomposition of cyclohexyl hydroperoxide
10/31/1989US4877870 Process for producing 10-hydroxyanthracyclines
10/31/1989US4877786 Pesticides
10/31/1989US4877607 Attractants for Dacus latifrons, the Malaysian fruit fly
10/31/1989US4877529 Separation of organic liquids
10/31/1989US4877425 Novel metal-diketone absorbents for carbon monoxide
10/31/1989US4877220 Hexasubstituted cyclohexane compounds
10/31/1989CA1262555A1 RHODIUM CATALYZED HYDROFORMYLATION OF .alpha.- SUBSTITUTED .alpha.-OLEFINS
10/25/1989EP0338992A2 Substituted aryl and heteroaryl bicyclodiones
10/25/1989EP0338898A1 Process for the preparation of an ortho-substituted mono-brominated derivative of phenol
10/25/1989EP0338344A2 Substituted triazolyl methyl carbinoles
10/25/1989EP0338054A1 Cross coupling of titanium organyls
10/24/1989US4876397 Decomposition over fluorophosphoric acid or hydrogen fluoride on support; by-product inhibition; high yield
10/24/1989US4876393 β-fluoroacyl-β-halovinyl alkyl ethers
10/24/1989US4876392 Process for preparation of keystones by oxidation of secondary alcohols using a trimetallic catalyst comprising molybdenum, rhenium and a group VIII noble metal
10/24/1989US4876382 Process for making fluorobenzoic acid fluorophenylesters
10/24/1989US4876381 Naphthalene derivatives possessing a retinoid-type action, processes for their preparation, and medicinal and cosmetic compositions containing these derivatives
10/24/1989US4876370 1,3,5-nonatriene derivatives, their preparation and their use
10/24/1989US4876280 Arylcyclohexane and arylcyclohexene analogs of mevalonolactone derivatives and their use
10/24/1989US4876108 Heating ground wood without oxygen, cooling, extracting with water
10/24/1989CA1262460A1 Substituted imidazopyrimidines-pyrazines, and - triazines
10/19/1989DE3811509A1 Process for the preparation of formaldehyde
10/18/1989EP0337665A2 Process for preparing 4-demethoxydaunomycinone
10/18/1989EP0337434A2 Process for preparing diphenol monoesters substituted with aryl groups
10/18/1989EP0337260A1 Process for the production of enol ethers and their use in the preparation of aldehydes
10/18/1989EP0337000A2 Reactive posttreatment for gas separation membranes
10/18/1989EP0198351B1 Catalytic oxidation with n-hydroxydicarboxylic acid imides
10/17/1989US4874900 Condensing citral with ketone using lithium hydroxide catalyst
10/17/1989US4874899 Preparation of unsaturated and saturated ketones
10/17/1989US4874898 Antiandrogens
10/17/1989US4874792 Thiophenyl Alkanoic acids useful as leukotriene antagonists
10/17/1989US4874780 Anticancer compounds
10/17/1989US4874488 Photochemical dimerization and functionalization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and silanes
10/17/1989CA1262359A1 Continuous preparation of mixtures containing cyclohexyl hydroperoxide, cyclohexanol and cyclohexanone
10/17/1989CA1262352A1 2-(n-substitutedguanidino)-4-hetero-arylthiazole antiulcer agents
10/12/1989DE3810765A1 Carbon oxide C5O2
10/11/1989EP0336898A2 Substituted aryl or heteroaryl diones
10/11/1989EP0336768A1 Catalyst and its use in oxidation
10/11/1989EP0336568A1 Process for the bromination of alkyl benzenes
10/11/1989EP0336371A2 Gem-disubstituted cyclohexadienones and their production
10/11/1989CN2045738U Extractor for comphor and benzine
10/11/1989CN1036202A Improvements in or relating to organic compounds
10/10/1989US4873368 Process for producing acrylic acid
10/10/1989US4873363 Three step process from p-bromobiphenylbenzylketone
10/10/1989US4873344 Cyano containing indene derivatives
10/10/1989US4873329 Alkene, alkyne or cycloalkylene derivatives
10/10/1989US4873217 Catalyst for oxidation of olefin or tertiary alcohol and process for production thereof
10/10/1989US4873213 Tribenzylphosphine complexes; selectivity
10/05/1989WO1989009215A1 (ethylenedioxo-3,3 cyclohexyl)-4 acetophenone and derivatives thereof, processes for preparing them and use of these compounds
10/05/1989WO1989009201A1 Procedure for producing alcohols and aldehydes from alkenes and synthesis gases
10/04/1989EP0335765A1 Catalytic system, its preparation process and use for preparing aldehyds
10/04/1989EP0335290A2 Process for the separation of butanol and butoxyacetaldehyde