Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
04/1990
04/04/1990EP0361616A2 Alkoxylation using modified group IIA metal-containing bimetallic or polymetallic catalysts
04/04/1990EP0361532A2 Ethane derivatives
04/04/1990EP0361493A1 Diethers usable in the preparation of Ziegler-Natta catalysts and their preparation
04/04/1990EP0361080A1 Process for the preparation of fatty alcohol derivatives
04/04/1990EP0361067A1 Disubstituted naphthalines, preparation processes and their herbicidal use
04/03/1990US4914244 Process for preparing difluorochloromethoxybenzenes
04/03/1990US4914210 Oligonucleotide functionalizing reagents
04/03/1990US4914151 Resin-linker combination for the solid-phase synthesis of peptides and intermediates
04/03/1990US4913729 Postemergence or preemergence
04/03/1990US4913727 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives
04/03/1990CA1267420A1 Bicyclic naphthalenic derivatives, process for their preparation and use in human and veterinary medicine
04/03/1990CA1267363A1 Cosmetics
03/1990
03/29/1990DE3831336A1 Tolans
03/29/1990DE3825424A1 Fluorierte alkoxyverbindungen Fluorinated alkoxy
03/28/1990EP0360704A1 Process for removing impurities from an aromatic stream
03/28/1990EP0360628A1 Derivates of norbornane and dimethanodecahydronaphthalene, useful for the preparation of new polymers
03/28/1990EP0360622A2 Novel optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements
03/28/1990EP0360521A2 Achiral fluorine-containing liquid crystals
03/28/1990EP0360043A1 p-Terphenyl derivatives and liquid crystalline compositions
03/28/1990EP0360042A1 p-Terphenyl derivatives and liquid crystalline compositions
03/27/1990US4912276 Reacting an aryl halide to form a Grignard reagent; reacting with aryl chloride in presence of nickel catalyst
03/27/1990US4912254 Preparation of α-arylalkanoic acids
03/27/1990US4911863 Ferroelectric; mixture of compounds containing aromatic ester
03/27/1990CA1267153A1 Benzonorbornene derivatives; process for preparing the same and cosmetic compositions containing these derivatives
03/22/1990WO1990002723A1 Process for producing fatty alcohol derivatives
03/22/1990WO1990002722A1 Process for producing fatty alcohol derivatives
03/21/1990EP0359305A1 Cyclopentane derivatives
03/21/1990EP0359118A2 Method for the production of 1,1,2-trialkoxyethanes
03/21/1990EP0359117A2 Cycloalkylvinyl ethers, their production and application
03/21/1990EP0358988A1 Process for the preparation of fatty alcohol derivatives
03/14/1990EP0358574A1 Process for the preparation of adamantane-1 derivatives
03/14/1990EP0358129A1 New Crown ether compound and separating agent
03/14/1990EP0358091A2 Derivative of 2-cyclohexylpropanal and perfumery composition comprising the same
03/14/1990EP0357739A1 Chiral derivatives of 1,2-difluorobenzene
03/14/1990EP0357671A1 Improved process for preparing aromatic fluorides.
03/14/1990EP0357610A1 Insecticidal cyclopropyl-substituted di(aryl) compounds.
03/14/1990CN1040360A Prepn. of methyl tertiarybutyl ether
03/13/1990US4908388 Behavior modifying compounds
03/13/1990US4908227 Divinyl epoxy ethers
03/13/1990CA1266672A1 Dyarylacetylenes, their preparation and their use
03/13/1990CA1266646A1 Benzonaphtalenic derivatives, process for their preparation and uses as pharmaceutic and cosmetic agents
03/12/1990EP0303617A4 Acid catalyzed process.
03/08/1990DE3827046A1 Non-calamitic acetylene compounds
03/07/1990EP0357372A2 Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element
03/07/1990EP0357348A2 Process for preparing p-bromophenoxyacetaldehyde dialkylacetal derivatives
03/07/1990EP0356797A2 Substituted pyridines, process for their preparation and their use in insecticides
03/07/1990EP0356765A2 Carboxylic acid derivatives, their production and use
03/06/1990US4906792 O-hydroxyalkylation of 1,1-dihydroperfluorinated alcohols
03/06/1990US4906787 Process for the production of ethers
03/06/1990US4906786 Monomers and polyketal polymers
03/06/1990US4906770 Perfluoropolyethers having mono- and bis-hypofluorite end groups
03/06/1990US4906669 Isoprenoid derivatives and anti-ulcer agents containing the same
03/06/1990US4906636 2-Substituted-1-naphthols as 5-lipoxygenase inhibitors
03/06/1990US4906402 Liquid crystal material
02/1990
02/28/1990EP0355978A2 Process for preparing CHF2OCHFCF3 and CHF2OCHCLCF3 and novel intermediate compounds employed thereby
02/28/1990EP0355754A2 2-Benzyloxybenzaldehyde dialkyl acetals, their preparation and use
02/28/1990EP0355726A1 Method for the electrolytic decarboxylation of a perfluorocarboxylic acid or soluble salts thereof, and subsequent dimerisation of the radicals so formed
02/28/1990EP0355552A2 Alkoxymethyl- and alkenyloxymethyl-cyclohexanes
02/28/1990EP0355313A2 Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same
02/28/1990CN1040024A 2,3-difluorophenol derivatives
02/27/1990US4904823 Hydroquinone derivatives and a process for their preparation
02/27/1990US4904815 Phenols and their production
02/27/1990US4904677 Certain phenoxy- or benzyl substituted pyridylmethyloxy-alkenes having insecticidal properties
02/27/1990US4904661 Phenol derivatives
02/27/1990US4904465 Perfuming ingredient, process for its preparation and utilization of said ingredient in perfuming compositions and perfumed products
02/26/1990EP0248879A4 Synthesis of aryloxypropanolamines and arylethanolamines.
02/22/1990WO1990001487A1 Process for preparing dibenzocyclooctadiene type lignan
02/22/1990WO1989010929A3 New l-fucose analogs, method of preparation, application of such analogs to the preparation of new glycals, anthracyclines obtained with said glycals and utilization of said anthracyclines as drugs
02/22/1990DE3828059A1 Process for the preparation of side chain-halogenated alkylbenzene derivatives
02/21/1990EP0355025A2 Substituted (2-haloalkoxy-1,1,2-trifluoroethoxy)styrenes, process for their preparation and their use
02/21/1990CN1039797A Difluoromethyl compounds
02/20/1990US4902850 Purification of anethole by crystallization
02/20/1990US4902837 Process for preparing Biphenols
02/20/1990US4902835 Fluorinated butene derivatives and methods for their preparation
02/20/1990US4902672 Polyalkyl indanyl n-propyl and allyl ethers and perfumery uses thereof
02/14/1990EP0354655A2 1-Phenyl-1-propanol derivatives
02/14/1990EP0354434A2 Process for the preparation of rod-like compounds
02/14/1990EP0354234A1 New amines, their use and preparation
02/13/1990US4900872 Process for the preparation of fluorohalogenated ethers starting from fluorooxy-compounds and halogenated olefins
02/13/1990US4900794 Dihydric phenol-formaldehyde condensate, encapped with vinylbenzyl halide, cured; circuit boards, laminates
02/13/1990US4900758 Novel insecticides
02/13/1990US4900718 3-(2-bornyloxy)-2-methyl-1-propanol and perfumery uses thereof
02/13/1990CA1265793A1 Cycloaliphatic unsaturated derivatives, process for their preparation and use as therapeutic agents
02/08/1990WO1990001056A1 Difluoromethyl compounds
02/08/1990WO1990001021A1 Fluorinated alkoxyl compounds
02/08/1990DE3827025A1 2,2-Difluorocyclopropane derivatives, processes for their preparation and their use as pesticides
02/07/1990EP0353755A1 Process for the production of veratral and related alkyl-aryl-ethers
02/07/1990EP0353721A1 Process for preparing fluorinated compounds and products obtainable thereby
02/07/1990EP0353670A1 Process for the preparation of cyclic vinylene-1,2-dioxy compounds with chains of 6 to 8 carbon atoms
02/06/1990US4898993 Process for preparing 2-tert-butyl-4-methoxyphenol
02/06/1990US4898992 Process for the preparation of alkylene glycol dialkyl ethers
02/06/1990US4898991 New perfluoropolyethers
02/06/1990US4898982 Preparation of diaryl ethers and diaryl sulfides
02/06/1990US4898981 Heteroatom containing perfluoroalkyl terminated neopentyl glycols and compositions therefrom
02/06/1990US4898883 1-Substituted derivatives of 4-methoxy-2,3,6-trimethylbenzene, process for their preparation and medicinal and cosmetic compositions containing them
02/06/1990EP0357671A4 Improved process for preparing aromatic fluorides.
01/1990
01/31/1990EP0352718A2 Partially fluorinated compounds and polymers
01/30/1990US4897397 Aryl-alkynoic, alkenoic or alkanoic compounds and compositions useful as antiallergy and anti-inflammatory agents
01/24/1990EP0352164A1 Hydrogenolysis method
01/24/1990EP0352034A2 Process and intermediate compound for the preparation of CHF2OCHFCF3