Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
02/1994
02/01/1994US5283360 Selective epoxidation of unsaturated (meth)acrylates, new functional (meth)acrylates, and polymers thereof
02/01/1994US5283358 Process for obtaining aryl esters by O-dealkylation and applications
02/01/1994CA1326687C Process for the production of vinyl chloride by pyrolysis of 1,2-dichloroethane
02/01/1994CA1326684C Accelerated preparation of acrylate esters
02/01/1994CA1326683C Accelerated preparation of carboxylic acid esters
02/01/1994CA1326682C Insecticidal compounds characterised by enhanced knockdown effect
02/01/1994CA1326681C Substituted phenols and their use as stabilizers
02/01/1994CA1326668C Ethers and thioethers having therapeutical activity, their preparation and pharmaceutical compositions containing them
01/1994
01/26/1994EP0580185A1 Medicaments
01/26/1994EP0579738A1 Improved process for preparing phenyl esters of substituted acids.
01/25/1994US5281731 Synthesis of 19-nor vitamin D compounds
01/25/1994CA1326580C Modification of (co)polymers employing organic peroxides
01/25/1994CA1326493C Process for the manufacture of dialkyl disulfides
01/25/1994CA1326492C Method for the esterification of thiopropionates
01/25/1994CA1326488C Substituted 1,2,3-thiadiazole-4-thiolates
01/25/1994CA1326480C Preparation of 3,3,3-trifluoropropene-1
01/20/1994WO1994001390A1 Enantioselective carbonyl group hydrogenation method using ruthenium/diphosphine ligand complexes
01/20/1994CA2139361A1 Process for enantioselective hydrogenation of the oxo c=o double bond
01/19/1994EP0579261A1 Fluorosubstituted benzene derivatives
01/19/1994EP0579159A2 Method for preparing mixtures of polyglycerol fatty acid esters and their application in cosmetic, pharmaceutical and chemical-technical compositions
01/19/1994EP0578850A1 Process for the preparation of carboxylic acids and derivatives of them
01/19/1994CN1080915A Preparation process for esters of 2,2-dimethyl 3-((z) 1-propenyl) cyclopropane carboxylic acid and intermediates
01/18/1994US5280001 Benzylic oxidation and catalyst therefor
01/18/1994US5279811 Ester-substituted diaminedithiols and radiolabeled complexes thereof
01/18/1994CA1326242C Process for the preparation of alkyl 3- alkoxypropionates
01/18/1994CA1326238C Keto-reduction of carbacyclin intermediates
01/12/1994EP0577949A1 Method of preparing chlorine free cyclopropanecarbocylicacid methylester
01/12/1994EP0577746A1 Improved process for preparing phenyl chloroacetate.
01/12/1994EP0299034B1 Process for the preparation of compounds with antiulcer action
01/12/1994EP0229757B1 A method of bonding two substrates using arylcyclobutene monomeric compositions
01/12/1994CN1023477C Method for maintaining activety of zeolite catalyst
01/12/1994CN1023476C Process of preparing trifluoromethylvinyl derivatives starting with appropriate halogenovinyl derivatives
01/11/1994US5278336 Process for exchanging inhibitor(s) in olefinically unsaturated systems which are reactive via free radicals
01/11/1994US5278335 Preparation of aryl-substituted aliphatic carboxylic acid esters by catalytic carbonylation
01/11/1994US5278334 Catalytic heating in presence of palladium
01/11/1994US5278333 Process for the alpha-monoalkylation of arylacetonitriles, arylacetoesters and arylacetic acids
01/11/1994US5278327 Reacting with water, distilling the fatty acid phase
01/11/1994US5277878 Reactor for heterogeneous-phase reactions
01/11/1994US5277766 Separation of n-heptane from vinyl acetate by extractive distillation
01/11/1994CA1326044C Propanone 1,3-disulfonic acid as an esterification catalyst
01/11/1994CA1326043C Fluorobenzyl esters
01/11/1994CA1326042C Esters of arylbisperfluoroalkylcarbinols, and a process for the preparation of these compounds and the underlying arylbisperfluoroalkylcarbinols
01/11/1994CA1326035C Process for the preparation of substituted quinolines
01/11/1994CA1326022C 6-oxoprostaglandin-e derivatives, method for their manufacture and their use as pharmaceuticals
01/06/1994WO1994000423A1 Cross-coupling process of boric acids with halogenated compounds
01/05/1994EP0577555A1 Derivatives of carboxylic acids
01/05/1994EP0577206A2 Carbonylation of epoxides
01/05/1994EP0577205A2 Carbonylation of conjugated dienes
01/05/1994EP0577204A2 Preparation of alkanedioic derivatives
01/05/1994EP0576905A1 Mixtures of isomeric decyl alcohols, phthalic acid esters obtained therefrom and their use as plasticizers
01/05/1994EP0576673A1 Bicyclo 4.1.0]heptane-2,4-dione derivative, intermediate for the synthesis thereof, and production thereof
01/05/1994DE4321766A1 Simultaneous prepn. of acetic acid, methyl acetate and acetic anhydride - by two=stage reaction of methanol and carbon mon:oxide using rhodium catalyst and halogen co-catalyst
01/05/1994CN1023394C Catalytic dehydrocyclodimerization process for producing aromatic hydrocarbons from allphatic hydrocarbons
01/04/1994US5276209 Preparation of polyenes
01/04/1994US5276154 Optically active esters of 7-substituted 3,5-difunctionalized 6-heptenoic acids
01/04/1994CA1325813C Toluene disproportionation
01/04/1994CA1325812C Preparation of halogenated phenols
01/04/1994CA1325811C Norbornane derivatives, process for their preparation, and cosmetic and pharmaceutical compositions containing them
01/04/1994CA1325810C Cyanoacetamido-derivatives having a fungicidal activity
01/04/1994CA1325808C Fungicidal azolyl-derivatives
01/04/1994CA1325803C Useful compounds in particular for cancer radiotherapy and imagery and new steroid hormone receptors specific ligands
12/1993
12/31/1993CA2099309A1 Carboxylic acid derivatives
12/31/1993CA2098970A1 Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers
12/30/1993CA2099681A1 Oxidation process of aromatic compounds carrying an oxidable alkyl group
12/30/1993CA2099198A1 Preparation of alkanedioic derivatives
12/30/1993CA2099192A1 Carbonylation of conjugated dienes
12/29/1993EP0576010A1 Compressor fouling inhibition in vinyl acetate production units
12/29/1993EP0380589B1 Processes for preparing alkylene and dialkyl ketals and alkyl alpha-enol ethers of alpha-acetyl cinnamic acids or esters thereof
12/29/1993EP0269656B1 Novel malonic acid derivative compounds and compositions thereof for retarding plant growth
12/29/1993CN1079956A Recovery of carboxylate ester reaction products
12/28/1993US5274181 Catalysts and processes for the manufacture of vinyl acetate
12/28/1993US5274176 Producing a 4-acetyltrialkylphenol form a trialkyl hydroquinone
12/28/1993US5274171 Process for the palladium catalyzed coupling of a diazonium salt with an olefinic bond
12/28/1993US5274051 Carbonyl containing compounds via radical grafting
12/28/1993US5273999 Carboxylic acid leukotriene B4 antagonists
12/28/1993CA1325642C Process for the preparation of cycloalkadienes
12/28/1993CA1325636C Process for preparing isothiazolones
12/23/1993DE4220082A1 Linear poly:cyclic cpds. prodn. from boronic acid and halogen cpds. - by cross-coupling in aq. solvent in presence of catalyst and water-soluble borate, esp. prodn. of liquid crystal cpds. with fluoro-phenoxy gp.
12/22/1993EP0575303A1 A process for the preparation of 5-(2,5-dimethyl-phenoxy)-2,2-dimethyl pentanoic acid
12/22/1993EP0574839A2 Process for the preparation of difluormethylethers and esters
12/22/1993EP0574725A1 Process for the preparation of vinyl esters of halogenacetic acid
12/22/1993EP0574632A1 Preparation of carboxylic acid esters
12/22/1993CN1023218C Process for carbonylation conjugated dienes
12/22/1993CN1023217C Process for producing phenols
12/22/1993CN1023216C Process for prepn. of cyclohexanol and/or cyclohexanone
12/22/1993CN1023215C Process for catalytic hydration of olefins
12/22/1993CN1023214C Process for catalytic hydration of olefins
12/21/1993CA1325430C Di-t-butylphenyl alkyl and benzyl ethers
12/21/1993CA1325422C Prodrug derivatives of carboxylic acid drugs
12/21/1993CA1325419C Copper chromite hydrogenation catalyst
12/18/1993CA2081526A1 Transesterification catalyst
12/15/1993EP0573763A2 Process for the preparation of hydroxy pivalic acid esters
12/15/1993EP0464045B1 Discontinuous process for conducting a heterogeneously catalysed reaction and installation for heterogeneously catalysed manufacture of products
12/15/1993CN1023123C Method of reinforced stabilization of polybutadiene elastomer or C5 or C9-hydrocarbon resin
12/15/1993CN1023115C Process for preparing cyclohexanol
12/14/1993US5271013 Fault tolerant computer system
12/14/1993CA1325225C Process for the production of optically-active beta-methylcholine
12/14/1993CA1325224C Use of n,n-dialkylhydroxylamines and their preparation
12/09/1993WO1993024263A1 Highly reactive zerovalent metals from metalcyanides adapted for preparation of organometallic compounds
12/08/1993EP0573361A1 Process for the preparation of esters of 2,2-dimethyl-3-((Z)-2-(alkoxycarbonyl)ethenyl)cyclopropanecarboxylic acid and intermediates