Patents for C07B 61 - Other general methods (69,072)
01/1993
01/13/1993EP0522196A1 Zeolite SSZ-32
01/13/1993EP0522067A1 Use of organic derivatives of rhenium oxides as catalysts for ethenolytic metathesis of olefinic compounds and process for ethenolytic metathesis of olefinic compounds using these catalysts.
01/13/1993EP0521958A1 Process for producing branched fatty acids and their esters.
01/13/1993EP0386120B1 Process for the co-production of aromatic carboxylate and alkyl iodides
01/13/1993EP0335953B1 Process for producing polybrominated higher alkylbenzenes
01/13/1993CN1067880A Phenol preparing method
01/13/1993CA2073628A1 Process for the production of pure 3,3',4,4'-tetraaminobiphenyl
01/12/1993US5179231 Preparation of hexene-1,6-dioic acids
01/12/1993US5179221 Method for production of 3-cyano-3,5,5-trimethyl cyclohexanone
01/12/1993US5179215 Process for the production of petrochemicals
01/12/1993US5179212 Process for the preparation of 3-pyrrolidinols and intermediates therefor
01/12/1993US5179129 Catalytic reaction of synthesis gas to form methanol, heating and separation with purification
01/12/1993CA1312629C Process for the preparation of trifluoroethanol
01/12/1993CA1312626C Preparation of phenylacetyldehydes
01/12/1993CA1312625C Process for the preparation of aromatic aldehydes
01/12/1993CA1312621C Process for preparing alkyl tetrabromophthalates
01/12/1993CA1312620C Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst
01/12/1993CA1312619C Process for the preparation of quaternary ester amines and their use
01/12/1993CA1312618C Advanced process for the fabrication of methyl methacrylate from isobutyric acid
01/12/1993CA1312617C Addition reaction method
01/12/1993CA1312615C Process for preparing 2,3,5-trimethylbenzoquinone
01/12/1993CA1312614C Process for the preparation of carboxylic acid chlorides
01/12/1993CA1312613C Process for the preparation of monoesters or diesters of 9,10-endoethano-9,10-dihydroanthracene-11, 11-dicarboxylic acid, novel monoesters or diesters prepared by this process anduse thereof for the preparation of symmetrical or asymmetrical methylidenemalonates
01/11/1993CA2073523A1 Process for the preparation of 1,1-dichloro-1,3,3,3-tetrafluoropropane
01/10/1993CA2073468A1 Preparation of dihydroxyacetone
01/10/1993CA2073157A1 Decomposition of organic hydroperoxides
01/07/1993WO1993000338A2 Epoxidation using hydrogen peroxide and tungsten catalysts
01/07/1993WO1993000329A1 Chemical process
01/07/1993WO1993000324A1 Method of preparing 4-aminodiphenylamine
01/07/1993WO1993000318A1 Process and device for synthesising butynediol
01/07/1993WO1993000317A1 Alkylation of aromatic compounds
01/07/1993WO1993000314A1 Method for increasing rainout from autorefrigerated vaporous cloud containing hydrofluoric acid
01/07/1993WO1993000165A1 Olefin oligomerization process
01/07/1993WO1993000164A1 A method for regenerating lewis acid-promoted transition alumina catalysts used for isoparaffin alkylation by calcination
01/07/1993WO1993000094A2 Use of tetrahydrobenzazepine derivatives for the treatment of portal hypertension and migraine
01/07/1993EP0521796A1 Process for the preparation of esters of alkoxyphenoxybenzoic acids and their use in the preparation of hydroxyphenoxybenzoic acids
01/07/1993EP0521752A1 Process for the preparation of alpha fluorinated acrylates
01/07/1993EP0521699A2 Synthesis of alkyl tert-alkyl ethersusing clay catalysts
01/07/1993EP0521578A2 Continuous process for the carbonylation of acetylenes
01/07/1993EP0521488A2 Esterification process
01/07/1993EP0521480A2 Process for producing carbonic acid ester
01/07/1993EP0521466A1 Process for preparing arylamide bisnadimides
01/07/1993EP0521449A2 Process for producing pyrethrolone and its intermediate compound
01/07/1993EP0521347A1 Process for the preparation of perfluoro ethers
01/07/1993EP0521099A1 Chiral catalysts and epoxidation reactions catalyzed thereby
01/07/1993EP0390808B1 Process for the co-production of aromatic carboxylate and alkyl iodides
01/07/1993CA2111696A1 Epoxidation using hydrogen peroxide and tungsten catalysts
01/07/1993CA2111101A1 Alkylation of aromatic compounds
01/07/1993CA2110575A1 Use of tetrahydrobenzazepine derivatives for the treatment of portal hypertension and migraine
01/06/1993CN1067654A Processes for diastereoselective synthesis of nucleosides
01/06/1993CN1067648A Process for reducing couteut of carbon dioxide from reactor of synthesis azine
01/06/1993CA2073075A1 Process for the preparation of alkoxyphenoxy benzoic acids and use in the preparation of (hydroxyphenoxy) benzoic acids
01/05/1993US5177291 Metathesis process for olefines and a catalyst to be applied therein
01/05/1993US5177284 Catalysts/process to synthesize alkylated naphthalene synthetic fluids with increased alpha/beta isomers for improving product qualities
01/05/1993US5177283 Alkylation of aromatic hydrocarbons
01/05/1993US5177282 Oligomerization of olefins
01/05/1993US5177280 Process for producing alkylbenzenes using a catalyst based on a dealuminized y zeolite and a catalyst based on a dealuminized mordenite
01/05/1993US5177273 Process for the manufacture of halogen-substituted propanes containing hydrogen and at least five fluorine substituents
01/05/1993US5177265 Process for the preparation of citral
01/05/1993US5177258 Method of production of biaryl derivatives
01/05/1993US5177255 Bis-stilbene compounds
01/05/1993US5177254 Method for producing an unsaturated glycol diester
01/05/1993US5177247 Process for the preparation of hydroxyphenylpropionates
01/05/1993US5177236 Process for the preparation of 3-chloropropyl-silanes
01/05/1993US5177234 Preparation of alkoxysilanes by contacting a solution of hydrogen fluoride in an alcohol with silicon
01/05/1993US5177233 Catalyst system and use for the preparation of 1,2-dichloroethane
01/05/1993US5177232 Clathrate inclusion
01/05/1993US5177220 Method for the asymmetric hydrogenation of α-ketocarbonyl compounds to optically active α-hydroxycarbonyl compounds
01/05/1993US5177206 Process for the preparation of substituted N-(aryl)-1,2,4-triazolopyrimidine-2-sulfonamides
01/05/1993CA1312340C Process for the preparation of 2,2- bisphenylhexafluoropropane
01/05/1993CA1312337C Process for the preparation of trifluoroethanol by hydrolysis in gazeous phase of chlorotrifluoroethane
01/02/1993CA2071749A1 Process for preparing arylamide bisnadimides
01/02/1993CA2069395A1 One step synthesis of methyl t-butyl ether from t-butanol using fluorocarbon sulfonic acid polymers on inert supports
01/02/1993CA2068966A1 Process for producing pyrethrolone and its intermediate compound
12/1992
12/30/1992EP0520975A2 Process for preparing alkylbenzene
12/30/1992EP0520815A2 Method for producing ortho-alkoxybenzoic acid
12/30/1992EP0520779A2 Oxidative dehydrogenation of hydrocarbons with a carbon-containing catalyst
12/30/1992EP0520543A1 Superacidic catalyst and process for preparing it
12/30/1992EP0520377A2 A process for the selective preparation of 4,4-methylene-bis-(N-phenylalkylcarbamate)
12/30/1992EP0520264A2 Process for the preparation of malonic acid dialkyle esters
12/30/1992EP0520263A2 Process for the preparation of 2-methylenpropane-1,3-diol dicarboxylates
12/30/1992EP0520130A1 Process for preparing symmetric N, N'-disubstituted aromatic urea
12/30/1992EP0338054B1 Cross coupling of titanium organyls
12/29/1992US5175373 Epoxidation of pyronene and conversion to cyclocitral
12/29/1992US5175370 Using nickel or cobalt catalyst
12/29/1992US5175362 Acid catalyzed hydrolysis, oxidation
12/29/1992US5175358 Heating furfuryl alcohol in presence of protonic acid
12/29/1992US5175351 Process for the preparation of alkanesulfonylbenzoic acids
12/29/1992US5175348 Reacting acylal with hydrogen halide
12/29/1992US5175329 Production of organosilanes from polysilanes
12/29/1992US5175323 Reacting with a saturated or unsaturated c10 to c14 fatty acid ester or mixtures
12/29/1992US5175316 Cyclic preparation of cyclohexene oxide, cyclohexanol and cyclohexanone
12/29/1992US5175310 Process for producing alkylthio- and arylthio-substituted carboxylic acids and their thioesters
12/29/1992US5175308 Catalytic reaction of aniline compound with a polyhydric alcohol
12/29/1992US5174899 Process for separating organometallic compounds and/or metal carbonyls from their solutions in organic media
12/29/1992CA2072499A1 Method for oxidative dehydrogenation of hydrocarbon compounds
12/29/1992CA2071604A1 Superacidic catalyst and process for preparing it
12/29/1992CA1312097C Olefin production process from natural gas
12/29/1992CA1312095C Continuous process for producing 1,2-diols
12/29/1992CA1312094C Transition metal complex catalyzed reactions