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)
01/1989
01/18/1989	EP0299270A1 Bromination process
01/17/1989	US4798911 Sulfur-free palladium and copper on carbon support
01/17/1989	US4798906 Preparation of alkoxy halides
01/17/1989	US4798674 Alcohol, oxygenate, membranes, concentration
01/17/1989	CA1248974A1 Process for the preparation of pure alkyl tert.-alkyl ethers and hydrocarbon raffinates which are largely free from isoolefins and from alkanols
01/17/1989	CA1248943A1 Fluorophenoxyphenoxypropionates and derivatives thereof
01/12/1989	WO1989000156A1 Preparation of isomers of myo-inositol derivatives
01/11/1989	EP0298803A1 Process for the perhaloalkylation of aromatic derivatives
01/11/1989	EP0298404A2 Sulfon polyenes
01/10/1989	CA1248553A1 Process for preparing non ionic surface agents from glycerol monochlorhydrine; products thus obtained and composition containing them
01/10/1989	CA1248512A1 Process for the preparation of a cayalyst mixture and its use
01/04/1989	EP0297752A2 Process of preparing optically active alcohol
01/04/1989	EP0297510A2 Bornane-3-spiro-1'-cyclopentane derivatives and perfumery compositions containing them
01/04/1989	EP0297345A1 Azolylmethylcyclopropyl derivatives
01/04/1989	EP0297126A1 Phase transfer catalysis
01/03/1989	CA1248142A1 2-hydroxy-3-methyl-branched-alkoxypropylglyceryl ether and cosmetic composition containing same
01/03/1989	CA1248129A1 Polyene compounds
12/1988
12/29/1988	DE3719968A1 Use of alkaline earth metal salts of ether carboxylic acids as catalysts for alkoxylation
12/28/1988	EP0297028A2 Process for the preparation of chlorinated diphenyl ether
12/28/1988	EP0296550A2 Phosphonium salts and processes for production of and uses for the same
12/28/1988	EP0296341A2 Process for the preparation of polyglycerines
12/28/1988	CA1247650A Process for preparing nonionic surfactants- oxyalkylation with promoted barium catalysts
12/28/1988	CA1247649A Barium hydroxide/lower alcohol catalysts for oxyalkylation reactions
12/28/1988	CA1247630A Process for making substituted phenoxycycloalkanols
12/27/1988	US4793939 Freely soluble; improved viscosity index
12/21/1988	EP0295890A2 Process of preparing optically active alcohol
12/21/1988	EP0295582A2 Process for the preparation of largely perfluorinated alkyl compounds containing chlorine, bromine or iodine
12/21/1988	EP0295578A1 Use of alkaline earth salts of ethercarboxylic acids as alkoxylation catalysts
12/20/1988	US4792641 Process for preparing iodinated aromatic compounds
12/20/1988	US4792639 Process for the production of methyl ethers from branched monoolefins
12/20/1988	US4792638 Isolation process of 2-chloroethyl vinyl ether
12/20/1988	US4792637 Reacting a dioxolane with a boric acid ester in the vapor phase over an acid catalyst
12/20/1988	US4792635 Symmetric benzophenones substituted by groups containing fluorine
12/20/1988	CA1247138A1 Simultaneous esterification and fluoration process
12/20/1988	CA1247137A1 9,10-bis(phenylethynyl)-anthracenes
12/20/1988	CA1247132A1 2,6-disubstituted naphthalene derivatives and process for preparing the same
12/20/1988	CA1247131A1 Process for preparing compounds containing a difluoromethylene or a trifluoromethyl group
12/20/1988	CA1247123A1 Polysubstituted derivatives of naphtalene, and their preparation
12/15/1988	WO1988009782A1 Process for making propargyl ethers of hydroxyaromatic compounds
12/14/1988	CN87101284A Process for crystal cyclohexyl benzene derivatives and novel nematic mixture containing the derivatives
12/13/1988	US4791139 Diphenyl ether derivatives and their use as insecticides
12/13/1988	US4791123 Insecticidal triffluormethyl alkane derivatives
12/13/1988	CA1246622A1 Process for the preparation of diphenyl ethers
12/13/1988	CA1246621A1 Terphenyl derivatives
12/13/1988	CA1246618A1 Method of alkoxylating fluorinated alcohols
12/13/1988	CA1246617A1 Process for the production of alkylene glycols
12/13/1988	CA1246458A1 Topical treatment and composition with anti- inflammatory activity
12/07/1988	EP0293768A1 Process for making propargyl ethers of hydroxyaromatic compounds
12/07/1988	EP0293739A1 Method for the production of 4-isopropyl-cyclohexylmethanol or its alkyl ethers
12/07/1988	CN88102538A Bicyclic compounde processes for prepn. thereof and pharmaceutical composition comprising same
12/06/1988	US4789704 Curable resin from bis maleimide and alkenyl phenyl hydroxy ether
12/06/1988	CA1246288A1 Preparation of phenol resol ethers bonded via o,o'- methylene ether groups
12/06/1988	CA1246097A1 Process for the preparation of a very pure commercial form of 4,2',4'-trichloro-2-hydroxydiphenyl ether
12/01/1988	WO1988009322A1 Cyclobutane derivatives
12/01/1988	DE3721003C1 Process for the preparation of polyglycerols
12/01/1988	DE3717484A1 Cyclobutanderivate Cyclobutane derivatives
11/1988
11/30/1988	EP0292564A1 Process for preparing alkoxyalkyl-substituted phenols
11/29/1988	US4788365 Oligomerization, etherification using zeolite catalyst
11/29/1988	US4788350 Stable fluids
11/29/1988	US4788349 Halogenated diphenyl ether derivatives
11/29/1988	US4788344 Process for the preparation of polyene ethers
11/29/1988	US4787911 Surface-active oligomers, a process for their preparation and compositions containing them
11/23/1988	EP0205562B1 Process for preparing ethers
11/23/1988	CN88102561A Reduction of carboxylic esters
11/23/1988	CN88102512A Alkoxylation process using calcuim based catalysts
11/22/1988	US4786654 Substituted benzylcyclopropylmethyl ethers
11/17/1988	WO1988008870A1 Liquid crystal material
11/17/1988	WO1988008835A1 Asymmetric hydroformylations of prochiral olefins to chiral aldehydes in high enantiomeric excess
11/17/1988	DE3813721A1 Process for the preparation of methyl tert-butyl ether from n-butenes
11/17/1988	DE3813689A1 Process for the reaction of branched olefins with alkanols
11/15/1988	US4785121 Halogenation of nitrophthalic anhydride with arylphosphorus tetrahalide
11/09/1988	EP0290319A1 1-Fluoro-1-halogeno-dioxa-3,6-bicyclo[4.1.0]heptane, preparation process and use
11/09/1988	EP0289935A2 Stabilizing mixture of organic compounds of sulphur and organic compounds of nitrogen, use of the mixture in stabilizing oxyalkylene glycol alkyl ethers
11/09/1988	EP0289669A1 Process for preparing 3-phenoxybenzaldehydes
11/09/1988	EP0289509A1 Basic metal salts having improved color and stability and vinyl halide polymers containing same.
11/08/1988	US4783555 Process for the production of a hydration product from an olefinic feedstock
11/03/1988	WO1988008441A1 Electro-optical liquid crystal display element
11/03/1988	WO1988008416A1 Insecticidal cyclopropyl-substituted di(aryl) compounds
11/03/1988	WO1988008415A1 Reduction of carboxilic esters
11/02/1988	EP0289232A2 Feedstock dewatering and etherification of crude methanol
11/02/1988	EP0289223A1 Reduction of carboxylic esters
11/02/1988	EP0289159A2 Alkoxylation process using calcium based catalysts
11/02/1988	EP0288962A2 Aryl-aralkyl ethers, processes for their preparation and pharmaceutical composition comprising them
11/02/1988	EP0288557A1 Photochemical dimerization and functionalization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and silanes
11/02/1988	EP0216880B1 Cyclohexane derivatives
11/02/1988	CN88101892A Insecticidal cyclopropyl-substituted di(aryl) compounds
11/02/1988	CN88101781A Process for preparing iodinated substituted aromatic compounds
11/01/1988	US4782191 From phenols and ethers, boron phosphate
11/01/1988	US4782188 Process for hydroformylation of unsaturated compounds using iron carbonyl catalysts
11/01/1988	US4782096 And methanol
11/01/1988	US4782087 Insecticidal prop-1-ynyl-3-phenoxybenzyl-2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropane-1-carboxylates
10/1988
10/26/1988	EP0287954A2 Benzaldehyde dialkyl acetals, their preparation and use
10/26/1988	EP0287675A1 Process for producing biphenols
10/25/1988	US4780479 Insect behavior modifying compounds
10/25/1988	CA1243689A1 Process for the desulphurisation of mercaptans
10/20/1988	WO1988007989A1 Process for the purification of diethoxymethane from a mixture with ethanol and water
10/20/1988	WO1988007987A1 Improved process for preparing aromatic fluorides
10/20/1988	WO1988007856A1 Butyl hydroxyanisoles for the treatment of retroviral diseases
10/19/1988	EP0287084A2 Alcohols containing 2-methyl or 2-methoxyphenyl groups, and their use as flavouring agents
10/18/1988	US4778940 Reacting iodine in presence of oxygen over zeolite catalyst

1 ... 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 ... 173