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)
03/1993
03/18/1993WO1993002710A3 Use of persistent free radicals in magnetic resonance imaging
03/17/1993EP0532327A2 Cyano- and polycyanometalloporphyrins as catalysts for alkane oxidation
03/17/1993EP0532326A2 Nitrated metalloporphyrins as catalysts for alkane oxidation
03/17/1993EP0532190A2 Benzo f quinolinones as 5-alpha-reductase inhibitors
03/17/1993EP0531823A1 Bicyclic carboxylic acid derivatives as anti-inflammatory agents
03/17/1993EP0531715A1 Process for producing alcohols and ketones
03/17/1993EP0531339A1 Process for producing 1,4-bis-(fluorbenzoyl)-benzol
03/17/1993EP0389617B1 Treatment of rhodium catalysts
03/17/1993CN1069976A Cyclohexan and tetrahydropyran derivatives
03/17/1993CN1069963A Process for preparing unsaturated carbonyl compound by reaction of olefinic alcohol and enol ether
03/17/1993CN1069960A Process for preparation of alcohols
03/16/1993US5194636 Preparation of benzyl ketones and an oxirane
03/16/1993US5194528 Purification of alpha beta unsaturated ketones, removal of dimer with peroxide
03/16/1993US5194244 Basic alkali metal-zeolite compositions
03/16/1993US5194123 Separation of 4-methyl-2-pentanone from acetic acid by extractive distillation with DMSO
03/16/1993US5194067 Extraction with benzyl alcohol and water
03/16/1993CA1314556C Certain 2-(2'-alkylbenzoyl)-1,3-cyclohexanediones
03/16/1993CA1314553C Bicyclic compounds, processes for preparation thereof and pharmaceutical composition comprising the same
03/13/1993CA2077983A1 Nitrated metalloporphyrins as catalysts for alkane oxidation
03/13/1993CA2077980A1 Cyano-and polycyanometalloporphyrins as catalysts for alkane oxidation
03/11/1993CA2077213A1 Bicyclic carboxylic acid derivatives
03/10/1993EP0530647A1 Metallocenes, catalysts containing these and process for the manufacture of olefinic polymers by using these catalysts
03/10/1993EP0530198A1 Heterocyclic compounds as aldose reductase inhibitors
03/10/1993EP0519010A4 Catalytic system for olefin oxidation to carbonyl products
03/10/1993EP0519003A4 Preparation of phosphomolybdovanadate polyoxoanions
03/10/1993EP0518990A4 Catalyst system for olefin oxidation to carbonyl products
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
03/09/1993US5192444 Separating with an agent comprising an aliphatic ester of a polysaccharide
03/04/1993WO1993004098A1 Macromonomers having reactive side groups
03/04/1993WO1993004072A1 METAL β-DIKETONATES
03/04/1993WO1993004029A1 A method for separating a water soluble noble metal catalyst from a noble metal catalyzed hydroformylation reaction
03/04/1993WO1993003839A1 Asymmetric syntheses
03/04/1993WO1993003632A1 Impregnated casing and method of making the same
03/04/1993DE4128692A1 Verfahren zum herstellen von acetol A method for producing acetol
03/04/1993CA2113715A1 Metal .beta.-diketonates
03/03/1993EP0530015A1 Optically active diphosphines, intermediates thereof, and processes for production thereof
03/03/1993EP0529870A2 Preparation of 2-hydroxyarylaldehydes
03/03/1993EP0529804A2 Catalysts comprising Copper and the use thereof in the preparation of aldehydes
03/03/1993EP0529698A2 Process for the preparation of alcohols
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
03/02/1993US5191126 Process for the preparation of difluorobenzaldehydes
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
03/02/1993US5191116 Heteropoly acid catalyst
03/02/1993US5191108 Lipoxygenase inhibitors, antiinflammatory agents
03/02/1993US5190619 Distillation mixtures in a rectification column and extraction
03/02/1993CA1314053C Process for purifying tertiary organophosphites
03/02/1993CA1314051C Method for producing –-(p-isobutylphenyl)-propionic acid or its alkyl esters
02/1993
02/25/1993DE4127888A1 Prepn. of E,E- and E,Z-isomers of di:methyl-10-methylene-dodeca-2,6-11-tri:en:al. mixts. - by gamma alkylation of tiglic acid and 3-chloro-2-methyl-6-methylene-octa-1,7-diene, followed by redn. and oxidn. of the prod.
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
02/23/1993US5189226 Ortho-substituted benzaldehydes
02/23/1993US5189105 Alcohol mixture for plasticizer
02/23/1993US5189013 Campholenic tertiary alcohol and its use as a perfuming ingredient
02/23/1993CA1313879C Process for the production of high-purity tetrachloro -1,4-benzoquinone
02/23/1993CA1313878C Process for the production of high-purity tetrachloro -1,4-benzoquinone
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
02/18/1993WO1993002997A1 Method of preparing cyclopentanones
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
02/17/1993EP0527235A1 Novel polysaccharide drivative and separating agent
02/17/1993EP0527234A1 Separating agent
02/17/1993EP0527175A1 3-naphthyl-3-carboxyalkylthio or oxy substituted alkanoic acid leukotriene antagonists
02/17/1993CN1069021A Process for removing acetone from mixture comprising acetone, methyl acetate and methyl iodide
02/17/1993CN1069020A Synthesis method for trimethoxybenz-aldehyde
02/16/1993US5187134 Formed, polymeric transition-metal complex catalysts with organosiloxane phenylphosphine ligands
02/16/1993CA1313681C Production of ether/ether-alcohol compositions
02/16/1993CA1313680C Process for the separation of 2-methylalkanals from isomers thereof
02/16/1993CA1313679C Method for the prevention of post oxidation of methacrolein
02/16/1993CA1313678C Process for producing an aqueous 4-hydroxyacetophenone (4-hap) which is stable at room temperature
02/13/1993CA2074880A1 Allylic oxidation of olefins
02/10/1993EP0526737A1 Process for the preparation of dihydroxyacetone
02/10/1993CN1068755A Catalyst for gas phase oxidation of toluene into benzaldehyde
02/09/1993US5185478 Manufacture of neopentyl glycol (IIA)
02/09/1993US5185470 Process for producing irone
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
02/09/1993US5185318 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
02/04/1993WO1993002084A1 Process for the manufacture of spiroketals
02/04/1993WO1993002035A1 Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1,3-propanediol
02/04/1993DE4125765A1 Trimethylhexanal-derivate, deren herstellung und verwendung Trimethylhexanal derivatives, their preparation and use