Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/2000
10/25/2000CN1057752C Mild catalytic fluorochloro ether dechlorinating process
10/24/2000CA2152411C Production of a high purity ether product
10/24/2000CA2021547C Pharmaceutically active 3-aryl and 3-heteroaryl-2-fluoro-1-olefins
10/19/2000WO2000061534A1 Method of alkoxylating alcohols
10/19/2000WO2000061533A1 Process for the etherification of olefins
10/19/2000WO2000061531A1 Method of producing biaryls
10/19/2000DE19916222A1 Verfahren zur Herstellung von Biarylen A process to prepare biaryls
10/19/2000CA2369612A1 Process for the etherification of olefins
10/19/2000CA2306239A1 Method of ethoxylation using vapor phase discharge of ethylene oxide
10/18/2000EP1044951A2 Process for preparation of ethers in a catalytic distillation column
10/18/2000EP1043930A1 Method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
10/18/2000CN1270157A Method for synthesising mixture of methanol and dimethyl ether from syngas
10/17/2000US6133485 Asymmetric synthesis of 2-(2,4-difluorophenyl)-1-heterocycl-1-yl butan-2,3-diols
10/17/2000US6133484 Decomposing esters, comprising contacting at least one formate ester with a catalyst comprising at least one of rhodium, platinum, palladium or a mixture thereof in the presence of water.
10/17/2000US6133483 Process for the production of 2,4,4'-trichloro-2'-methoxydiphenyl ether
10/12/2000WO2000059855A1 Ether compounds, compositions, and uses thereof
10/12/2000WO2000059854A1 Method for producing alkapolyenyl compounds using certain cocatalysts
10/12/2000WO2000059848A1 Impurities separation by distillation
10/11/2000EP1042266A1 An ortho ester-based surfactant, its preparation and use
10/11/2000EP1042265A2 O-derivatives of halogenated diphenyl ether compounds
10/10/2000US6130346 Process for preparing an organic compound from an oxirane-containing compound in the presence of a tris(triaminophosphoranylideneamino)phosphine oxide
10/05/2000WO2000058251A1 Method for synthesizing sevoflurane and an intermediate thereof
10/05/2000WO2000029365A3 Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde
10/05/2000DE19915069A1 Preparation of alkapolyenyl compounds used in surfactant and detergent production involves adding mineral acid or inorganic halide in homogeneously catalyzed reaction of substituted alkadiene and conjugated diene
10/05/2000CA2366673A1 Method for synthesizing sevoflurane and an intermediate thereof
10/04/2000CN1268939A Method for producing 1-(3-cyclopentenyloxy-4-alkoxyphenyl)-4-oxocyclohexanecarbonitrile
10/03/2000US6127579 Method of manufacturing 1-indanone
09/2000
09/28/2000WO2000056683A1 Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use
09/28/2000DE19913260A1 Doppelmetallcyanid-Katalysatoren für die Herstellung von Polyetherpolyolen Double metal cyanide catalysts for preparing polyether polyols
09/27/2000EP1038900A2 Double metal cyanide catalysts for the production of polyetherpolyols
09/26/2000US6124506 Synthesis of glycol ethers
09/26/2000US6124462 Preparing arylamine and biaryls
09/26/2000US6123749 Contacting unsaturated fluorinated compound carbon dioxide mixture with semipermeable membrane to form exit stream having increased concentration of carbon dioxide and other exit stream having reduced concentration of carbon dioxide
09/24/2000CA2302984A1 Double metal cyanide catalysts for the preparation of polyether polyols
09/21/2000DE19912418A1 Verfahren zur Herstellung von Tensidalkoholen und Tensidalkoholethern, die hergestellten Produkte und ihre Verwendung A process for the preparation of surfactant alcohols and surfactant alcohol ethers, the manufactured products and their use
09/20/2000CN1267277A Method for etherifying benzyl alcohol, resulting products and applications
09/19/2000US6121499 Process for producing polyhydroxy ethers and unsymmetrical polyhydroxy ethers obtainable with the process
09/19/2000US6120744 Addition reaction of hydroxy1-containing compounds with alkynes or allenes
09/14/2000WO2000053572A1 Biphenyl derivatives as antagonists of the neurokinine-1 receptor
09/14/2000WO2000053547A1 Method of preparing surface-active alcohols and surface-active alcoholic ethers, products obtained by said method and their use
09/14/2000DE19910370A1 Verfahren zur Herstellung von Tensidalkoholen und Tensidalkoholethern, die hergestellten Produkte und ihre Verwendung A process for the preparation of surfactant alcohols and surfactant alcohol ethers, the manufactured products and their use
09/13/2000CN1056363C Extration of 4-methyl guaiacol and 4-ethyl guaiacol from creasote
09/12/2000US6118028 Method of making trifluoromethoxybenzenes
09/08/2000WO2000051957A1 Acid-catalysed reactions
09/08/2000WO2000051956A1 Method of preparing alkoxylated compounds with active hydrogen atoms
09/08/2000WO2000051955A1 Method of preparing alkoxylated non-ionic surface-active agents
09/08/2000WO2000051954A1 Process for continuously producing dialkyl carbonate and diol
09/08/2000CA2364851A1 Acid-catalysed reactions
09/07/2000DE19909273A1 Verfahren zur Herstellung alkoxylierter Verbindungen mit aktiven Wasserstoffatomen A process for producing alkoxylated compounds having active hydrogen atoms,
09/07/2000DE19909272A1 Verfahren zur Herstellung alkoxylierter nichtionischer Tenside Process for the preparation of alkoxylated nonionic surfactants
09/06/2000EP1032549A1 Process for electrophilic aromatic substitution
09/06/2000EP0802895B1 Process for producing end-group-locked non-ionic tensides
09/05/2000USRE36849 Anisotropic compounds and liquid crystal mixtures therewith
09/05/2000US6114302 Fragrance pro-accords
08/2000
08/30/2000EP1030854A2 Catalysts for asymmetric synthesis containing rigid chiral ligands
08/30/2000EP1030828A1 Methods for decomposing esters and purifying alcohols
08/30/2000CN1265121A Purification of polylene oxide
08/30/2000CN1055913C Process for preparing methyl t-butyl ether
08/29/2000US6111160 Process for isomerizing linear olefins to isoolefins
08/29/2000US6111146 Reacting phenol with alkylene oxide to alkoxylate, hydrogenating in presence of catalyst
08/29/2000US6111133 Process for preparing substituted styrenes
08/24/2000WO2000048974A1 Stabilised compositions of o- and n-vinyl compounds and the use of ammonium salts as stabilisers
08/24/2000WO2000048973A2 Methods for decomposing esters and purifying alcohols
08/24/2000WO2000002887B1 Ligands for metals and metal-catalyzed processes
08/22/2000US6107526 Process for producing ethyl tertiary butyl ether
08/22/2000US6107525 Process for the manufacture of hydroxycarbonyl compounds
08/17/2000WO2000047539A1 Fluorinating agent, process for producing the same, and use thereof
08/17/2000DE19906316A1 Polymerizable vinyl compositions are stabilized by the addition of optionally substituted ammonium carbonate salts
08/16/2000EP1027316A1 Synthesis of aryl ethers, methods and reagents related thereto
08/15/2000US6103939 Process for the preparation of 1,4-butanediol monoethers
08/15/2000US6103688 Aromatic compounds, processes for their preparation and their use in perfumery
08/09/2000EP1026141A1 Process for the synthesis of a methanol/dimethyl ether mixture from synthesis gas
08/09/2000EP1025074A1 Recovery and recycle of catalyst components used in palladium-catalyzed preparation of arylcarboxylic acids
08/08/2000US6100434 Method for synthesizing sevoflurane and an intermediate thereof
08/08/2000US6100433 By alkylating 1,3-propanediol with methyl chloride in the presence of a base; by-product inhibition, simplification, good yields
08/02/2000EP1023254A1 Preparation of isoflurane by reaction of 2,2,2-trifluoroethyl difluoromethyl ether and chlorine in added water, at low temperatures and/or at higher conversions
08/02/2000EP1023252A1 Thermal process for the preparation of a telomeric alkyl iodide
08/02/2000CA2297548A1 Process for the synthesis of a methanol/dimethyl ether mixture from synthesis gas
08/01/2000US6096920 Large-scale production of certain aromatically-substituted aliphatic carboxylic acids and their acid derivatives
07/2000
07/27/2000WO2000043343A2 Novel methods for cross-metathesis of terminal olefins
07/27/2000WO2000043340A1 Process for producing glyceryl ether
07/26/2000EP1022266A1 Process for the production of secondary alkoxy-1-alkenes
07/26/2000CN1261341A Method for producing end ethers
07/26/2000CN1054835C Method for producing tertether with C4 or C5, including two obtaining-distillating steps
07/25/2000US6093855 Separation of the divinyl ether of diethylene glycol or triethylene glycol from the monovinyl ether of the corresponding oliogethylene glycol
07/25/2000US6093836 1,3-diphenylpropane derivatives having inhibitory activity against tyrosinase and process for preparation thereof
07/19/2000EP1020484A2 Processes for producing poly(alkylene ether) glycol
07/19/2000EP1019350A1 Process for preparing tertiary alkyl ethers
07/19/2000EP1019349A4 Preparation of polyoxyalkylene ether surfactant compositions
07/19/2000EP1019349A1 Preparation of polyoxyalkylene ether surfactant compositions
07/19/2000EP0815067B1 Process for the alkoxylation of fluorinated alcohols
07/19/2000CN1054603C Tri-substituted phenyl derivatives and medicinal composition containing same
07/18/2000US6090988 A mixture containing alkyl vinyl ether produced by intramolecular dehydration of glycol ether in a gas phase is liquidized and collected by using the glycol ether which is a raw material of the reaction mixture.
07/18/2000CA2058646C Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid
07/13/2000WO2000040535A1 Method for preparing a benzylic-type ether
07/13/2000WO2000040524A1 Preparation of nuclear chlorinated aromatic compounds
07/12/2000EP1017658A1 Benzyl-biphenyls and analogous compounds and the application thereof in order to treat arteriosclerosis and dyslipidaemia
07/12/2000CN1259509A One-stage method for conversion of synthetic gas to dimethyl ether by introducing methyl alcohol
07/11/2000US6087539 Hydrogenolysis of a vinyl ether polymer having a terminal acetal group in the presence of a catalyst comprising nickel and specific inorganic oxides.
07/11/2000US6087538 Catalyst used contains, as an active component, an x-ray amorphous zinc silicate or cadmium silicate
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