Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686)
10/1991
10/23/1991EP0452729A1 Process for preparing substituted cyclobutanes
10/22/1991US5059609 Lipoxygenase inhibitors; leukotriene receptor blockers; psoriasis; antiulcer agents and myocardial infarctions
10/22/1991US5059328 Separation agent comprising 1,3-glucan
10/19/1991WO1991016293A1 Improved process for the preparation of ketone compounds
10/17/1991CA2040485A1 Process for preparing substituted cyclobutanes
10/16/1991EP0451927A1 Cyclo(D-phenylalanyl-D-histidine)
10/15/1991US5057618 Complex compounds containing sulfonated phenyl phosphanes
10/15/1991US5057564 Cyclic carbonyl containing polymers
10/15/1991CA2040378A1 Process for preparing a cycloalkanone and/or cycloalkanol
10/09/1991EP0451104A2 Soluble polyarylenetherketones
10/09/1991EP0450498A1 Process for removing impurities from the mixture of cyclohexanone and cyclohexanol
10/09/1991EP0449831A1 Compounds and methods based on 1.1.1]propellane
10/08/1991US5055622 Novel tetrahydronaphthalene and indane derivatives
10/08/1991US5055582 Process for preparing thromboxane A2 antagonists
10/08/1991US5055474 Antihypoxia, hypotensive, antiinflammatory agents; anoxia treatment
10/08/1991CA1290328C Therapeutic and prophylactic agents for peptic ulcer
10/06/1991WO1991015491A1 Heterocyclic compounds as aldose reductase inhibitors
10/06/1991WO1991015451A1 Novel derivatives of phenyl-cycloalkanes and -cycloalkenes
10/06/1991CA2079785A1 Derivatives of phenyl-cycloalkanes and cycloalkenes
10/06/1991CA2078210A1 Heterocyclic compounds as aldose reductase inhibitors
10/04/1991CA2039478A1 Soluble polyarylene ether ketones
10/02/1991EP0449034A1 Cyclic ketones, method for their preparation and their application in perfumery
10/02/1991EP0448726A1 2-substituted 2-cyclopentenone and carcinostatic agent and osteogenesis promoter containing the same as active ingredient
10/02/1991CA2013661A1 Benzyl-cyclanone derivatives, process for their preparation and cosmetic and pharmaceutical compositions containing the same
10/01/1991US5053548 Biphenyl derivative composition for nerve cell degeneration repairing or protective agent and process for preparing a phenyl derivative contained in the composition
10/01/1991US5053547 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
10/01/1991US5053533 Continuous processing of 1-chloro-2-methoxy-napthalene under Friedel-Craft conditions, without isolation/purification of chemical intermediate
10/01/1991US5053498 Therapeutic and prophylactic agents for peptic ulcer
10/01/1991US5053434 Diamondoid polymeric compositions
10/01/1991CA1289972C Process for producing acetyl-substituted aromatic compound
09/1991
09/29/1991WO1991014665A1 Use of organic derivatives of rhenium oxides as catalysts for ethenolytic metathesis of olefinic compounds and process for ethenolytic metathesis of olefinic compounds using these catalysts
09/26/1991DE4009117A1 Neue leukotrien-b(pfeil abwaerts)4(pfeil abwaerts)-derivate, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel New leukotriene b (Down Arrow) 4 (down arrow) derivatives, process for their production and their use as drug
09/25/1991EP0448389A1 Enamine derivatives and their use in electrophotographic member
09/25/1991EP0447828A1 4-(4-Tert-Butylphenyl)cyclohexylamines and fungicides containing them
09/25/1991EP0447758A1 Process for the preparation of unsaturated and saturated carbonyl compounds
09/24/1991WO1991014500A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991US5051518 Pharmacologically active 2- and 3-substituted (1',5'-diaryl-3-pyrazolyl)-N-hydroxypropanamides
09/24/1991CA2078881A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/20/1991WO1991014676A1 New leucotriene b4 derivatives, methods of preparing them and their use as drugs
09/20/1991CA2057042A1 Leukotrine-b4 derivatives, a process for the production of these, and their use as medication
09/19/1991WO1991013855A1 Phenanthrene derivative
09/18/1991EP0446759A1 Process for the production of cyclopentenones
09/18/1991EP0446722A1 Novel hydroxylated phenoxy compounds and process for their preparation
09/18/1991EP0446720A2 Novel brominated phenoxy compounds and processes for their preparation
09/18/1991EP0446301A1 Preparation of biaryl compounds.
09/18/1991CN1054587A Fluorinated sulfones ketones for nonlineav optics
09/17/1991US5049497 Novel process for the synthesis of the enantiomers of bicyclo(4.2.0)oct-2-en-7-one and derivatives
09/17/1991CA1289151C Tetraalkyl substituted tricyclic ketone
09/17/1991CA1289078C Pharmaceutical composition for the treatment of parkinson's disease
09/11/1991EP0446062A1 C-Linked pyrazole derivatives
09/11/1991EP0445819A2 Positive type photoresist composition
09/11/1991EP0445641A1 Ethylenic unsaturated compounds
09/10/1991US5047575 Norbornene carboxylic acids and esters
09/10/1991US5047432 Arylcyclobutylmethylamine therapeutic agents
09/10/1991US5047431 Treatment of hormone-dependent mammary tumors; antiestrogens
09/10/1991US5047426 Cyclopentene Derivatives
09/10/1991US5047415 2,2-dihalogenocyclopropyl-hydroxy-ethyltriazoles
09/10/1991US5047380 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/10/1991CA2037872A1 C-linked pyrazole derivatives
09/10/1991CA1288777C N-fluoropyridinium salt and process for preparing same
09/07/1991CA2037079A1 4-(4-tert-butylphenyl)cyclohexylamines, and fungicides containing same
09/06/1991WO1991013854A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991WO1991013853A1 Catalyst system for olefin oxidation to carbonyl products
09/06/1991WO1991013852A1 Process for the production of methyl ethyl ketone
09/06/1991WO1991013851A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991WO1991013681A1 Preparation of phosphomolybdovanadate polyoxoanions
09/06/1991CA2077552A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991CA2077551A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991CA2077550A1 Preparation of phosphomolybdovanadate polyoxoanions
09/06/1991CA2077549A1 Process for the production of methyl ethyl ketone
09/06/1991CA2077548A1 Catalytic system for olefin oxidation to carbonyl products
09/05/1991WO1991013051A1 Use of strontium and/or barium acetyl acetonates as catalysts for the ethoxylation of propoxylation of compounds with active h atoms
09/04/1991EP0444899A2 Catechol derivatives, their physiologically acceptable salts, esters and their use in the treatment of tissue damage induced by lipid peroxidation
09/04/1991EP0444586A1 Bicyclic polysubstituted ketone
09/04/1991EP0444563A2 3-Hydroxy-2-cyclobuten-1-on salts, their preparation and use
09/04/1991EP0444287A1 Method for the production of cycloalkanones
09/03/1991US5045573 Photoinitiators for photopolymerization of unsaturated systems
09/03/1991US5045548 Quinolyl methoxy compounds and their use as antiasthmatic agents
09/03/1991US5045229 Liquid crystals
08/1991
08/29/1991DE4005932A1 Cycloalkanone(s) prepn., useful as plant protectant intermediates
08/28/1991EP0443848A1 Novel anti-ulcer substance
08/28/1991CN1013671B Preparation method for pyrazolines
08/27/1991US5043482 New derivatives of 5,6,7,8-tetrahydro-1-naphthalenol, a process for their preparation and cosmetic and pharmaceutical compositions containing them
08/22/1991DE4005338A1 Verwendung von strontium- und/oder bariumacetylacetonaten als katalysatoren fuer die ethoxylierung bzw. propoxylierung von verbindungen mit aktiven h-atomen H-atoms using strontium and / or bariumacetylacetonaten as catalysts for the ethoxylation or propoxylation of compounds containing active
08/21/1991EP0442754A2 Reagents and methods for stereospecific fluoromethylation
08/21/1991EP0442621A1 Methods for making tetrahydroisoalpha and hexahydroisoalpha acids
08/21/1991EP0442431A1 Process for the preparation of squaric acid
08/21/1991EP0441807A1 Liquid phase fluorination.
08/21/1991EP0252964B1 Catalytic method for producing fluoroaromatic compounds using substituted pyridinium salts
08/20/1991US5041682 Working up reaction mixtures containing cyclohexanol cyclohexanone and cyclohexyl hydroperoxide
08/20/1991US5041681 Chemical process
08/20/1991US5041678 Cycloaliphatic ketones for use as perfuming and flavoring ingredients
08/20/1991US5041639 Polysubstituted derivatives of naphtalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
08/20/1991US5041604 Process for producing di(aryloxy)alkane
08/20/1991US5041282 Topical application of sunscreen agent
08/20/1991CA1287834C Cyclohexenone derivatives
08/15/1991WO1991011989A1 LIGHT-RESISTANT FILTERING COSMETIC COMPOSITION CONTAINING A UV-A FILTER AND AN ALKYL β, β-DIPHENYLACRYLATE OR AN ALKYL α-CYANO-β, β-DIPHENYLACRYLATE
08/14/1991EP0441708A1 Process for the preparation of terpene ketones
08/14/1991EP0441260A1 Catalytic carbonylation process
08/13/1991US5039710 Viricides, antitumor agents
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