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)
07/1990
07/25/1990EP0379070A1 Process for preparing chlorotrifluoroethylene telomers and telomers obtained thereby
07/25/1990EP0378916A1 Catalytic reactions using zeolites
07/25/1990EP0378574A1 Fluorination of orthocarbonates and polyalkoxypropanes
07/25/1990CN1044052A Catalytic reactions using zeolites
07/24/1990US4943652 Process for asymmetrically reducing carbonyl compounds
07/24/1990US4943384 Cyclohexane derivatives
07/24/1990US4943354 Phase separation within the distillation column
07/18/1990EP0378285A1 Substituted alkenes, processes for their preparation and their use as pesticides
07/18/1990CN1043932A Process for preparing naphthalene derivative
07/18/1990CN1043930A Substituted alkene and process of preparation thereof, use in biocides
07/17/1990US4942268 Halogenation an aromatic compound in the presence of a zeolite catalyst
07/17/1990US4942264 Process for the preparation of insecticidally active diphenylether compounds
07/17/1990CA1271778A1 Process for the preparation of fluorooxy-halo compound
07/13/1990WO1990008124A1 Conversion of olefins to ethers
07/13/1990WO1990008120A1 Process for the conversion of olefins to alcohols and/or ethers
07/13/1990CA2025017A1 Conversion of olefins to ethers
07/13/1990CA2025016A1 Process for the conversion of olefins to alcohols and/or ethers
07/12/1990WO1990007480A1 Acid catalyzed process
07/12/1990CA2007484A1 Process for preparing chlorotrifluoroethylene telomers and new telomers obtained
07/11/1990EP0377150A1 Process for the preparation of polyglycerines
07/11/1990EP0376955A1 Preparation of isomers of myo-inositol derivatives.
07/10/1990US4940807 Selective bromination of aromatic compounds using potassium tribromide
07/10/1990US4940797 Process for synthesis of FK-506 C10-C18 intermediates
07/10/1990US4940696 Benzonaphthalene derivatives and their use in therapeutic and cosmetic compositions
07/10/1990CA1271422A1 Pharmaceutical compounds
07/04/1990EP0376856A1 Preparation of biaryl compounds
07/03/1990US4939305 Alkenyl compounds
07/03/1990US4939178 Use of avarol for the control of adult T-cell leukemia/lymphoma
07/03/1990US4939177 Use of avarol for the control of AIDS and ARC
07/03/1990US4938790 Herbicidal 12-substituted 12H-dibenzo(D,G)(1,3)dioxocin-6-carboxylic acids
06/1990
06/27/1990EP0375452A2 Cycloalkane derivatives
06/27/1990EP0375368A2 Alcohol and ether derivatives
06/27/1990EP0374699A1 Process for the preparation of polyglycerines
06/26/1990US4937391 Process for preparing perfluoro-(2-bromoethyl-vinyl-ether)
06/26/1990US4937389 Heating, mixing with methanol, cooling, crystallization
06/26/1990EP0297126A4 Phase transfer catalysis.
06/26/1990CA1270858A1 Process for the synthesis of 2,2-dialkoxy-propanes
06/26/1990CA1270857A1 Process for preparing improved poly(tetramethylene ether) glycol by alcoholysis
06/26/1990CA1270831A1 Halogeno biphenyl primary alcohols derivatives useful in the therapeutical treatment of atherosclerosis
06/26/1990CA1270766A1 Cosmetic compositions containing as active ingredient at least one bicyclic naphtoic compound
06/23/1990CA2006096A1 Cycloalkane derivatives
06/23/1990CA2006094A1 Alcohol and ether derivatives
06/20/1990EP0373860A2 Formation of polyether polyols
06/20/1990EP0373186A1 Derivatives of 2,3-difluorohydroquinone
06/19/1990US4935552 Olefin hydration/etherification reactions in the presence of recycled ether in first stage zone
06/19/1990CA1270495A1 Preparation of nonionic surfactants
06/14/1990WO1990006296A1 Direct fluorination process for making perfluorinated organic substances
06/14/1990WO1990006295A1 Preparation of biaryl compounds
06/14/1990WO1990006283A1 Synthetic porous crystalline material, its synthesis and use
06/13/1990EP0372683A2 Dehydration of organic oxygenates
06/13/1990EP0371995A1 Process for producing phenylhydroquinones.
06/13/1990CN1042897A Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers
06/12/1990US4933510 Propanol derivatives
06/12/1990US4933504 Process for the preparation of mono-ethers of hydroquinones
06/12/1990US4933502 Reacting alkylene oxide with alkanol in the presence of catalyst prepared by reacting sulfuric acid with an aluminum catalyst
06/06/1990EP0371692A2 Verfahren zur Herstellung eines Ethers.
06/06/1990EP0371484A2 A process for preparing a naphthalene derivative
06/05/1990US4931428 Perfumes; intermediates for pheromones
06/05/1990CA1269992A1 P-alkoxycyclohexylalkanols and p- alkoxycyclohexylalkyl esters, their preparation and their use as scents
05/1990
05/31/1990WO1990005710A2 Minimizing deactivation of ether synthesis catalyst
05/31/1990CA2002598A1 Preparation of biaryl compounds
05/30/1990EP0370497A1 Optically active compound and ferroelectric liquid crystal composition containing the same
05/29/1990US4929786 Preparation of 1-aryl-1-alkenes
05/29/1990US4929784 Process for the preparation of optionally substituted benzyl-benzenes
05/29/1990US4929772 Process for preparing polyhalogenated carbinols
05/29/1990CA2002612A1 Process for preparing naphthalene derivative
05/29/1990CA1269667A1 .alpha.-SUBSTITUTED 3,3,3-TRIFLUORO-2,2-DICHLORO-1- PROPANOLS AND THE PREPARATION THEREOF
05/23/1990EP0369728A1 Haloalkylation of aromatic compounds
05/23/1990EP0368946A1 1,2-dioxetanes.
05/23/1990CN1042349A 环戊烷衍生物 Cyclopentane derivatives
05/22/1990US4927977 Process and apparatus for the uniform distribution of a two-phase feed in a chemical reaction zone
05/22/1990US4927960 Telomerization catalyst
05/22/1990US4927454 Substituted 1-benzylsulphonyl-3-heteroaryl-(thio)urea herbicides
05/22/1990CA1269371A1 Polycyclic aromatic derivatives, and their use in cosmetics
05/16/1990EP0368421A2 Process for the manufacture of polyglycidylethers
05/15/1990US4925991 Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol
05/15/1990US4925989 MTBE preparation from isobutylene/TBA and methanol in presence of an acid resin catalyst
05/15/1990US4925587 Cleaning compounds/antifoam
05/15/1990CA1269112A1 Process for producing 4,4' - dibromodiphenyl ether
05/14/1990EP0368946A4 1,2-dioxetanes.
05/14/1990CA2002606A1 Organic solvent soluble superconductor metal precursor alkoxides
05/14/1990CA2000958A1 Haloalkylation of aromatic compounds
05/10/1990CA2002153A1 Process for the manufacture of polyglycidylethers
05/09/1990EP0367582A1 O-hydroxyalkylation of 1,1-dihydroperfluorinated alcohols
05/09/1990EP0367087A1 Politetrahydrofuranvinylether and their preparation
05/08/1990US4923881 Quinolyl methoxy compounds, processes for preparation thereof and pharmaceutical composition comprising the same
05/08/1990CA1268783A1 Hydrolysis of olefin oxides to glycols
05/03/1990WO1990004577A1 Preparation of biaryl compounds
05/02/1990EP0366573A1 Preparation of biaryl compounds
05/02/1990EP0366501A2 Heat integration process
05/02/1990EP0365971A2 Method for the production of (substituted) benzyl-benzenes
05/02/1990CN1041752A Diethers usable in preparation of zieglernatta catalysts
05/01/1990US4922029 Etherification of polyoxyalkylene derivatives
05/01/1990CA1268475A1 Optically active herbicides
05/01/1990CA1268473A1 Analogs of mevalonolactone and derivatives thereof, processes for their production, pharmaceutical compositions containing them and their use as pharmaceuticals
04/1990
04/28/1990CA2001755A1 Heat integration process
04/25/1990EP0364538A1 Difluorobenzol derivatives.
04/25/1990CA2000579A1 Preparation of biaryl compounds
04/18/1990EP0363659A1 Use of stilbene derivatives in anionic polymerisation
04/18/1990CN1041385A Process for removing impurities from aromatic stream
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