Patents
Patents for C07C 45 - Preparation of compounds having co groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds (38,929)
05/1991
05/02/1991WO1991005757A1 Lipoxygenase inhibitors
05/02/1991WO1991005484A1 Fast pyrolysis liquid smoke
05/02/1991WO1991002711A3 7,7-dimethylnorbornane derivatives
05/02/1991EP0424736A1 Process for the recuperation of rhodium from residues of the destillation of products from oxosynthesis
05/01/1991CN1012495B Quinone derivatives, their production and use
04/1991
04/30/1991US5012017 Phenoxyphenoxypropionates, intermediates thereof and methods of preparation
04/30/1991US5012008 Vapor phase reation of olefin producing aldehydes
04/30/1991US5012007 Reacting A Phenyl Alcohol With Carbon Monoxide In The Presence Of A Lewis Acid Catalyst
04/30/1991US5012006 Hydroformylation of 1,1-dialkylethylenes in presence of cobalt carbonyl complex catalysts, water-containing solvents or lactones or sulfones
04/30/1991US5012005 Conversion of 1,3-dioxanes to 4-oxaaldehydes
04/30/1991US5011993 Method for the preparation of α1 [[(1,1-dimethylethyl)amino]methyl]-4-hydroxy-1,3-benzenedimethanol
04/30/1991US5011947 Antihypercholesterolemic alkylene compounds
04/30/1991US5011944 Electrochromism; intermediates for substituted napthquinones and tetrathiotetracenes
04/30/1991US5011850 Substituted diazolylalkyl-carbinols, a process for their preparation and their use as antimycotic agents
04/28/1991WO1991006538A1 Substituted benzoylbenzene-, biphenyl- and 2-oxazole- alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase
04/28/1991CA2067138A1 Substituted benzoylbenzene-, biphenyl-and 2-oxazole-alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase
04/24/1991WO1991005758A1 Preparation of unsaturated ketones from acetone and paraformaldehyde (ii)
04/24/1991EP0423949A2 Membrane process for separation of organic liquids
04/24/1991EP0423874A2 Process for the preparation of aldehydes
04/24/1991EP0423769A2 Process for hydroformylation of an olefin
04/24/1991EP0423692A1 Use of a catalyst for preparing aldehyde
04/24/1991EP0423393A1 Liquid smoke obtained by fast pyrolysis
04/24/1991EP0423300A1 Chiral reaction medium for organic reactions.
04/23/1991US5010208 Novel alkylcycloalkyl triazolylmethyl ketones as fungicide intermediates
04/23/1991US5010100 Certain 2,5-diaryl tetrahydrofurans and analogs thereof as PAF antagonists
04/21/1991WO1991005750A2 Process for producing fluorinated organic compounds
04/21/1991CA2067387A1 Process for producing fluorinated organic compounds
04/20/1991WO1991005766A1 2-substituted 2-cyclopentenone and carcinostatic agent and osteogenesis promoter containing the same as active ingredient
04/20/1991CA2044179A1 2-substituted-2-cyclopentenone compound and anticancer agent and bone formation accelerator comprising same as active ingredient
04/18/1991WO1991004958A1 Method for the preparation of hydrolyle or carboxyle compounds with two or three double bonds and more than 5 carbon atoms
04/18/1991WO1991004754A2 Illudin analogs as anti-tumor agents
04/18/1991DE3933781A1 New 4-(4-isobutyl-phenyl)-butyraldehyde prepn. - synthetic intermediate from isobutyl-benzene and an alkyl-succinyl chloride via catalytic hydrogenation and further redn.
04/17/1991EP0423010A1 Method for the production of alkoxybenzaldehydes
04/17/1991EP0422236A1 Production of alkenylbenzophenone
04/17/1991EP0422235A1 PRODUCTION OF alpha-(3-BENZOYLPHENYL)PROPIONIC ACID DERIVATIVE
04/17/1991CA2020532A1 Membrane process for separation of organic liquids
04/16/1991US5008479 Process for production of 2,6-dimethylnaphthalene
04/16/1991US5008468 Sulfonic acid groups bonded to component containg tetravalent metal ion and group 5 element; used for olefin digomerization, polymerization, alkylation
04/16/1991US5008465 Preparing ether by heating alcohol with olefin
04/16/1991US5008463 Process for the preparation of formaldehyde
04/16/1991US5008462 Chlorinating acetaldehyde, para-acetaldehyde, trimerization of reaction product
04/16/1991US5008461 Preparation of benzyl ketones
04/16/1991US5008431 Charge transporting agent for electrography
04/16/1991US5008425 Trifluoromethylation of carbonyl compounds
04/16/1991CA1283111C 3,4-diphenyl-n-phenyl-4,5-dihydropyrazole-1-carboxamide
04/14/1991WO1991005754A2 Derivatives of long-chain fatty alcohols and their applications, in particular as cytotrophic and cytoprotective molecules, and pharmaceutical compositions containing same
04/14/1991CA2044162A1 Long-chained fatty alcohol derivatives, their applications, specifically as cytotrphic and cytoprotecting molecules, and pharmaceutical compounds containing same
04/14/1991CA2027169A1 Chemical compounds
04/11/1991CA2027076A1 Process for preparation of 4-(4-isobutylphenyl)-butyr-aldehyde and its use for the preparation of (-)-4(2-chlorophenyl)-2[2-(4-isobutylphenyl)-ethyl]-6,9-dim ethyl-6h-thieno[3,2-f]1,2,4]-triazolo[4,3][1,4]diazepine
04/10/1991EP0421759A2 Method for producing 1-indanone derivatives
04/10/1991EP0421210A2 Triazole compounds, their production and use
04/10/1991CA2027014A1 Process for preparing 3-alkoxy-3-hydroxybenzaldehyde
04/09/1991US5006576 Ion exchange membrane
04/09/1991US5006563 Alzheimer's disease
04/09/1991US5006556 Dichloroaniline derivatives for the therapy or prophylaxysis of a disease associated with reversible airway obstruction
04/09/1991US5006539 Thromborane inhibitor
04/09/1991US5006162 Certain 2-(2-substituted benzoyl)-1,3,5-cyclohexanetriones
04/09/1991US5006158 Herbicides
04/09/1991CA1282800C Acid catalyzed process
04/04/1991WO1990015044A3 Reactive compounds containing perfluorocyclobutane rings
04/04/1991WO1990015042A3 Reactive compounds containing perfluorovinyl groups
04/03/1991EP0420048A1 Process for the obtention of methacrolein and methacrylic acid
04/03/1991EP0419905A2 Quinone derivatives and pharmacological use
04/03/1991CN1050340A Catalyst for catalytic gas-phase oxidation of olefins to unsaturated aldehydes
04/02/1991US5004839 In the presence of a secondary amin catalyst, a halogen acid and an insoluble metal oxide
04/02/1991US5004838 Inosose derivatives, production and use thereof
04/02/1991US5004837 Oxidation of cycloalkane
04/02/1991US5004823 Low pressure rhodium catalyzed hydroformylation of olefins
04/02/1991US5004822 Insecticides
04/02/1991US5004494 Heterocyclic compounds
04/02/1991CA1282420C Process for producing 2-methyl-1,4-naphthoquinone
04/02/1991CA1282410C Process for the preparation of optically active ó-arylalkanoic acids and novel intermediates thereof
03/1991
03/27/1991EP0418933A1 Derivatives of alcadienes, their preparations and medicinal compositions containing them and intermediates
03/27/1991EP0418764A2 A process for producing a carbonyl compound
03/27/1991EP0418690A2 Process for the preparation of irones
03/27/1991EP0418657A2 Process for producing methacrylic acid and methacrolein by catalytic oxidation of isobutane
03/27/1991EP0418648A1 4-Hydroxytetrahydropyran-2-ones as well as the corresponding dehydroxy carbon acid derivatives, salts and esters, process for their preparation, pharmaceutical preparations as well as precursors
03/27/1991CN1050182A Quinone derivatives and pharmacological use
03/27/1991CN1050181A Process for preparing acrolein through gaseous catalytic oxidation propylene
03/26/1991US5003110 Process for the preparation of saturated aldehydes by hydrogenation of α,β-unsaturated aldehydes
03/26/1991US5003109 Reaction mixtures from phenol synthesis, copper compound
03/26/1991US5003108 Using a tetraalkylammonium or phosponium catalyst for the reaction of phosphine and an alkyl halide in the presence of an alkali hydroxide
03/26/1991US5003074 N-fluorinated sulfonamides
03/26/1991US5002929 Derivatives of trimethylbicyclo-[4.3.0]-nonane, useful as perfumes
03/26/1991US5002694 Liquid crystals with ferroelectric properties
03/26/1991US5002669 Separation agent comprising 1,3-glucan
03/26/1991CA1282079C Process for producing 4,4,7-trimethyl-3,4,7,8-tetrahydro -2(6h)-naphthalen-one in purified form or in a mixture with 3,5,5-trimethyl-4-butenyliden-cyclohex-2-en-1-one, products obtained thereby and their use as aroma chemicals and flavoring agents
03/21/1991WO1991003479A1 Synthesis of stable, water-soluble chemiluminescent 1,2-dioxetanes and intermediates therefor
03/21/1991WO1991003449A1 Isomerization of alk-2-enyl ethers
03/20/1991EP0417723A2 Process for the preparation of acrolein by the catalytic gasphase oxydation of propylene
03/20/1991EP0417722A1 Catalyst for catalytically oxidising olefins in the gas phase in unsaturated aldehydes
03/20/1991EP0417669A2 Pyridinyl-quinolone compounds, their preparation and use
03/20/1991EP0417240A1 Process for reducing propenyl ether concentration in hydroxy-functional polyether compounds.
03/20/1991CN1012063B Hydroformylation of olefins
03/19/1991US5001276 Novel tetrahydronaphthalene and indane derivatives
03/19/1991US5001274 Hydroformylation process
03/19/1991US5001273 Method for preparing asymmetric aliphatic ketones
03/19/1991US5001255 Idene analogs of mevalonolactone and derivatives thereof
03/19/1991US5001209 Non-linear optical active diols and polyurethanes prepared therefrom
03/19/1991US5000961 Tert-butyl derivatives of benzylidenecamphor, process for preparing them, their use as antioxidant agents and cosmetic and pharmaceutical compositions containing them