Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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07/07/1981 | US4277326 Formation of metal phenate followed by reaction with organic halide or sulfate |
07/07/1981 | CA1104589A1 Alcohols |
07/01/1981 | EP0031252A1 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays |
07/01/1981 | EP0031199A1 Substituted benzyl esters of cyclopropane carboxylic acids and their preparation, compositions containing them and methods of combating insect pests therewith, and substituted benzyl alcohols |
06/30/1981 | US4276055 Formation of dialkyl acetals, primary alcohol |
06/30/1981 | CA1104159A1 Chlorination of meta-phenoxytoluene |
06/24/1981 | EP0030761A1 Anisotropic cyclohexyl ethers |
06/23/1981 | US4275251 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof |
06/23/1981 | CA1103689A1 Complexed compounds of inorganic salts, proton-acids or ansolvo-acids with 1,2,3-triols, glycerol monoethers or glycerol monothioethers and the preparation thereof |
06/17/1981 | EP0030397A1 Process for the preparation of methyl polyethers and methyl polyethers prepared by this process |
06/16/1981 | US4273943 Process for preparing methylvanillyl ketone from isoeugenol |
06/16/1981 | US4273864 Color photographic light-sensitive materials |
06/09/1981 | US4272823 Control system for a reactor |
06/09/1981 | US4272629 Novel prostaglandin intermediates |
06/02/1981 | US4271160 Substituted morpholine derivatives and pharmaceutical compositions |
05/27/1981 | EP0029259A1 A method of preparing tricycloundecane derivatives, these compounds and a perfume composition containing at least one of them |
05/26/1981 | US4270009 1,4-Bis-[(2-propynyloxy)-methyl] cyclohexane |
05/26/1981 | US4270008 2-Propyl-pent-4-en-1-al |
05/26/1981 | US4270005 Analgesics |
05/26/1981 | CA1101880A1 Manufacture of acetals |
05/26/1981 | CA1101866A1 Herbicidally active substituted diphenyl ether derivatives, processes for their manufacture and herbicidal compositions containing them, and their use for selective weed control |
05/20/1981 | EP0028824A1 Method for controlling the temperature differential across a reaction zone in the manufacture of methyl t-butyl-ether |
05/19/1981 | US4268693 3-Hydroxydiphenyl ethers |
05/19/1981 | US4268692 1,9-Dihydroxyoctahydrophenanthrenes and intermediates therefor |
05/19/1981 | US4268523 Analgesics |
05/13/1981 | EP0028377A1 Process for the preparation of a mixture essentially consisting of iso-butene oligomers and methyl-t-butyl ether, its use and fuels containing such a mixture |
05/12/1981 | US4267393 In the presence of a sulfonated ion exchange resin catalyst |
05/12/1981 | US4267388 Process for producing ethynylbenzenes |
05/12/1981 | US4267382 Antitumor agents; skin disorders |
05/12/1981 | US4267378 2,2-Dialkoxy-6-chlorocyclohexanones |
05/12/1981 | US4267363 Wherin said intermediates are acyclic ether compounds |
05/12/1981 | CA1100999A1 Process for preparing 2-allyl phenol |
05/06/1981 | EP0028023A1 Apparatus and method for controlling the reactor temperature profile and the reactants feed stream |
05/05/1981 | US4266082 From 3-bromo-4-fluorotoluene and sodium or potassium phenolate in the presence of a copper catalyst |
05/05/1981 | US4265890 6-Phenyl thio- and 6-cyclohexyl thio-2,3,4,5-tetrahydro-1H-3-benzazepines |
05/05/1981 | US4265889 Dopaminergic, hypotensive |
05/05/1981 | US4265817 Novel chiral ethers and their use in resolution of alcohols and phenols |
04/28/1981 | US4264769 Process for the preparation of hydroxyphenyl ethers |
04/28/1981 | US4264484 Antisoilants comprising an addition polymer and a fluorine containing compound |
04/21/1981 | US4263466 Coupling of aryl and heteroaryl mono chlorides |
04/21/1981 | US4263462 Process for the preparation of unsaturated ethers |
04/21/1981 | US4263461 As glass transition temperature-lowering diluents for phenylquinoxaline oligomers |
04/21/1981 | US4263449 Process for producing alcohols |
04/21/1981 | US4263212 Reacting an olefin with an aromatic or furan compound using a rhodium carbonyl complex catalyst |
04/21/1981 | US4263037 5-Cyano-2,3-dihydrobenzofurans useful as herbicides |
04/21/1981 | CA1099748A1 Method for preparation of ethers |
04/21/1981 | CA1099709A1 5-(quaternary alkyl) resorcinol preparation and intermediates therefor |
04/14/1981 | US4262149 Solvent extraction with isoolefin |
04/14/1981 | US4262146 Production of aliphatic ethers |
04/14/1981 | US4262145 Novel etherification process |
04/14/1981 | US4262021 Antiviral amine and amidine derivatives of glycerol and propanediols |
04/14/1981 | US4261928 2-Benzoyl-8-(2-chloro-4-methoxyphenoxy)-1-phenyl-1-octanone |
04/14/1981 | US4261922 Process for alkoxylation of phenols |
04/14/1981 | US4261920 3-Phenoxy-fluoro-benzyl alcohol intermediates |
04/08/1981 | EP0026547A1 Process for the preparation of basic salts of alkaline earth metals |
04/08/1981 | EP0026546A1 Process for reaction of epoxides with organic compounds having an active hydrogen |
04/08/1981 | EP0026544A1 Process for preparing basic salts of barium |
04/08/1981 | EP0026505A1 7,8-Substituted-1-phenyl-2,3,4,5-tetrahydro-1-H-3-benzazepines |
04/07/1981 | CA1098903A1 Preparation of vincadifformine |
04/01/1981 | EP0026041A1 A method for producing olefins and/or ethers of high octane number |
04/01/1981 | EP0025961A1 Process for the production of 1,2-diols containing a higher number of carbon atoms |
04/01/1981 | EP0025883A1 Electrochemical process for the preparation of 4-tert.-butoxy-benzaldehyde-dialkylacetals, their use and 4-tert.-butoxy-benzaldehyde-dimethylacetal |
04/01/1981 | EP0025843A1 Preparation of monoalkyl ethers of hydroxyphenols and their transformation into hydroxycumaranes |
04/01/1981 | EP0025829A1 Process for the preparation of alkyl chlorides |
03/31/1981 | US4259533 From tertiary olefin and methanol in presence of heteropoly acid catalyst |
03/31/1981 | US4259498 Arylation with a hydroxy-protected carbocyclic grignard reagent or lithium compound |
03/31/1981 | US4259339 Cyanoaralkylheterocyclic compounds |
03/31/1981 | CA1098547A1 Etherification processing of light hydrocarbons |
03/31/1981 | CA1098546A1 Process for the preparation of ethylene glycol- dimethylether (dimethyl glycol) |
03/24/1981 | US4258218 Composite catalyst |
03/24/1981 | US4258207 Cyclopropanecarboxylate pesticides preparation |
03/24/1981 | US4258205 Chemical intermediates for pesticidally active cyclopropane carboxylates |
03/24/1981 | US4258061 Interferon induction in animals by amines |
03/24/1981 | US4257953 Reacting phthalimide with phenol derivative and alkali hydroxide |
03/18/1981 | EP0025302A1 Alpha-mono(methyl-branched alkyl) glyceryl ether and a skin care cosmetic composition containing the same |
03/18/1981 | EP0025240A1 A process for the preparation of an olefinically unsaturated ether |
03/17/1981 | US4256907 Saponification of a cyclopropane substituted ester with an alkali and reacting such salt with a benzyl chloride |
03/17/1981 | US4256644 Chemical intermediates in the preparation of oxepane compounds |
03/17/1981 | US4256465 Passing isobutylene and methyl alcohol reactants through a fixed bed, strongly acidic ion exchange resin |
03/17/1981 | CA1097668A1 1,9-dihydroxyoctahydrophenanthrenes and intermediates therefor |
03/17/1981 | CA1097667A1 Benzo-furan derivatives |
03/11/1981 | EP0024829A1 4-Benzyl- and 4-benzoylimidazole derivatives, processes for their preparation and pharmaceutical compositions comprising the same |
03/11/1981 | EP0024806A1 Preparation of alkyl glyceryl ether alcohols |
03/11/1981 | EP0024624A2 4-Fluoro-3-phenoxy-benzaldehyde acetals, process for their preparation and intermediate products therefor |
03/11/1981 | EP0024612A2 New 4-fluoro-3-phenoxy-benzyl-ethers, process for their preparation and their use |
03/11/1981 | EP0024532A1 Tert. butoxybutanales and butanoles and bis-tert. butoxy-pentanales and pentanoles, their production and their use as perfumes |
03/11/1981 | EP0024472A1 Compositions for diminishing the oil/water interface tension and process for their preparation |
03/10/1981 | US4255426 1-(2-Hydroxy-3-n-alkoxypropyl)-4-substituted-piperazines and piperidines |
03/10/1981 | CA1097309A1 Crystalline zeolite zsm-34 and method of preparing the same |
03/03/1981 | US4254288 Catalytic dehydrogenation |
03/03/1981 | US4254287 Removal of catalyst from ethoxylates by centrifugation |
03/03/1981 | US4254280 Cyclopropane derivative |
03/03/1981 | US4254276 Process for the preparation of phenolic ethers |
03/03/1981 | US4254216 Color photographic material |
03/03/1981 | CA1096889A1 Separation of isobutene from refinery streams |
02/24/1981 | US4252985 Process for the preparation of o-methallyloxyphenol by the selective monoetherification of pyrocatechol |
02/24/1981 | US4252624 Bromination of m-ethyldiphenyl ether |
02/18/1981 | EP0024019A1 Process for the production of 4-fluoro-3-phenoxy-toluene |
02/17/1981 | US4251546 Process for killing internal helminths using certain 1,1-bis-(2-substituted-3-nitrophenyl)alkane or alkylene derivatives |
02/17/1981 | CA1095735A1 Herbicidal compositions |