Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 307 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
Patents for C07D 307 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom (47,108)
11/1991
11/13/1991EP0456068A1 Cyclohexenonoximethers, process and intermediates for their production and their use as herbicides
11/13/1991EP0455822A1 Open-chain terpene compound
11/13/1991EP0455802A1 Process for the production of aromatic anhydrides and aromatic esters with superior color properties.
11/13/1991CN1056066A Fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons
11/12/1991US5064913 Glycidylester-anhydride adducts and epoxy resin curing agents therefrom
11/12/1991US5064846 Heterocyclic insecticides
11/12/1991CA1292049C Inclination measuring device
11/12/1991CA1292000C Solid forms of 2-ethoxy-4-[n-(1-(2-piperidino- phenyl)-3-methyl-1-butyl)-aminocarbonylmethyl]-benzoic acid
11/12/1991CA1291991C Antioestrogenic phenol derivatives
11/10/1991CA2041794A1 Cyclohexenone oxime ethers, their preparation, intermediates for their preparation and their use as herbicides
11/10/1991CA2041793A1 Cyclohexenone oxime ethers, their preparation and their use as herbicides
11/10/1991CA2041630A1 Cyclohexenone oxime ethers, their preparation, intermediates for their preparation and their use as herbicides
11/08/1991CA2041813A1 Process for preparing dihydrofuranone derivatives
11/06/1991EP0455473A1 Process and intermediates for chiral epoxides
11/06/1991EP0455416A2 Process for producing methylnorbornene dicarboxylic acid anhydride
11/05/1991CA1291763C Obtaining maleic anhydride not prone to discolor
11/04/1991CA2041368A1 Process and intermediates for chiral epoxides
11/02/1991WO1991017149A1 3-naphthyl-3-carboxyalkylthio or oxy substituted alkanoic acid leukotriene antagonists
11/02/1991WO1991016889A1 Five-membered ring alkanoic acid leukotriene antagonists
11/02/1991CA2081480A1 3-naphthyl-3-carboxyalkylthio or oxy substituted alkanoic acid leukotriene antagonists
11/02/1991CA2081462A1 Five-membered ring alkanoic acid leukotriene antagonists
10/1991
10/31/1991WO1991016319A1 PROCESS FOR PRODUCING (S)-η-ACYLOXY-METHYL-α, β-BUTENOLIDE
10/31/1991WO1991016317A1 Process for preparing furane compositions
10/31/1991WO1991016299A1 Fungicidal oxime carbamates
10/31/1991WO1991016055A1 2(5h)-furanones substituted in the 5 and or in the 4 position, as anti-inflammatory agents
10/31/1991WO1991016048A1 2(5H)-FURANONES SUBSTITUTED IN THE 3 POSITION, AS Ca2+ CHANNEL ANTAGONISTS AND ANTI-INFLAMMATORY AGENTS
10/31/1991CA2078771A1 2(5h)-furanones substituted in the 5 and or in the 4 position, as anti-inflammatory agents
10/30/1991EP0454469A1 Carboxylic acid derivatives
10/30/1991EP0454449A1 Carboxylic acid derivatives
10/30/1991EP0453951A1 Process for the preparation of phthalic anhydride from O-xylene
10/30/1991EP0453842A2 Fluor subsituted derivatives of alpha-(5-aryloxy-naphthalen-1-yloxy)propionic acid
10/30/1991CN1055738A Gibberellin extraction process
10/30/1991CN1055735A Trifluoromethyl mercaptan and mercaptoacyl derivatives and method of using same
10/29/1991US5061812 Ascorbic acid derivative
10/29/1991US5061710 Mercapto-acylamino acid antihypertensives
10/29/1991US5061705 Skin disorders
10/29/1991US5061398 Optically active lactone derivative, intermediate therefor, process for producing the intermediate, liquid-crystal composition, and liquid-crystal display device
10/29/1991CA1291487C Benzofurans and a novel method of preparation
10/29/1991CA1291343C Synergistic plant growth regulator compositions
10/28/1991WO1991017157A1 Gamma-butyrolactol ether derivatives
10/28/1991CA2080346A1 Gamma-butyrolactol ether derivatives
10/27/1991WO1991016035A1 Chelator compositions comprising alpha-diamine compounds
10/27/1991WO1991016034A1 Chelator compositions comprising oxime compounds
10/27/1991CA2041175A1 Carboxylic acid derivatives
10/25/1991CA2040981A1 Preparation of phthalic anhydride from o-xylene
10/23/1991EP0453066A1 Indanderivatives
10/23/1991EP0452908A2 Lipoxygenase-inhibiting compounds derived from non-steroidal antiinflammatory carboxylic acids
10/23/1991EP0452587A1 Dihydroxy sulfonamide and sulfinamide renin inhibitors
10/23/1991EP0452406A1 Substituted semicarbazone arthropodicides
10/23/1991EP0291507B1 Electronic inclinometer
10/23/1991CN1014409B Manufacturing process for asscorbic acid derivative
10/22/1991US5059716 Catalytic gas phase hydrogenation of acids, esters, anhydride or carbonyl halides
10/22/1991US5059709 Process for the synthesis of α-[(dialkylamino)substituted-methylene]-β-oxo-(substituted)propanentriles
10/22/1991US5059655 Polyurethane polyanhydride oligomers and method of preparation
10/22/1991US5059621 Treatment of dermatologic ailments linked to keratinization disorder
10/22/1991US5059611 Anti-inflammatory 5-hydroxy-2-furanones
10/22/1991CA1291145C Preparation of a substituted succinic anhydride
10/22/1991CA1291144C Process for the preparation of a substituted succinic anhydride
10/22/1991CA1291139C Cyclohexane-1,3-dione derivatives, processes for their manufacture, and their use for controlling undesirable plant growth
10/22/1991CA1291137C 1,4-dihydropyridines with diphenylpiperidylester group
10/22/1991CA1291131C 2,5,6,7-tetranor-18,18,19,19-tetradehydro-4,8,-inter- m-phenylene pgi _derivatives
10/20/1991CA2040608A1 Lipoxygenase-inhibiting compounds derived from non-steroidal antiinflammatory carboxylic acids
10/18/1991WO1991016047A1 4-(oxygen, sulfur or nitrogen substituted)-methyl 5-hydroxy-2(5h)-furanones as anti-inflammatory agents
10/18/1991CA2078772A1 4-(oxygen, sulfur or nitrogen substituted) -methyl 5-hydroxy-2 (5h) - furanones as anti-inflammatory agents
10/18/1991CA2078770A1 2(5h)-furanones substituted in the 3 position, as ca2+ channel antagonists and anti-inflammatory agents
10/17/1991WO1991016318A1 Vapor phase process for production of gamma-butyrolactone
10/17/1991WO1991016305A1 Heterocyclicethenediyl compounds which inhibit egf receptor tyrosine kinase
10/17/1991WO1991016132A1 Process of vapor phase catalytic hydrogenation of maleic anhydride to gamma-butyrolactone in high conversion and high selectivity using an activated catalyst
10/17/1991WO1991015473A1 Leucotriene antagonists, a preparation method therefor and therapeutic uses thereof
10/17/1991WO1991006537A3 Substituted indole-, indene-, pyranoindole- and tetrahydrocarbazole- alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase
10/17/1991CA2080582A1 Heterocyclicethenediyl compounds which inhibit egf receptor tyrosine kinase
10/17/1991CA2080246A1 Vapor phase process for production of gamma-butyrolactone
10/17/1991CA2080123A1 Process of vapor phase catalytic hydrogenation of maleic anhydride to gamma-butyrolactone in high conversion and high selectivity using an activated catalyst
10/16/1991EP0451873A1 Derivatives of 2,2-dimethyl cyclopropanecarboxylic acid substituted at c-3 by a saturated halogenated chain, process for their preparation and their use in the synthesis of pesticidal products
10/16/1991EP0451614A1 Fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons
10/16/1991CN1055360A Catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
10/16/1991CN1055359A Isomerization of epoxyalkenes dihydrofurans and catalysts compositions useful therefor
10/16/1991CN1055358A Process for preparation of high-purity tetrahydrofuran
10/15/1991US5057538 Hydroxystyrene compounds which have useful pharmaceutical utility
10/15/1991US5057525 Novel N-(3-hydroxy-4-piperidinyl) benzamide derivatives
10/09/1991EP0450512A2 Polyurethane polyanhydride oligomers, method of preparation and use
10/09/1991EP0253837B1 Catalytic method for producing fluoroaromatic compounds using branched alkyl pyridinium salts
10/08/1991US5055599 Process for the hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone
10/08/1991US5055473 Quinolinyl sulfonamide anti-arrhythmic agents and use thereas
10/08/1991US5055471 Fungicides
10/08/1991US5055452 Skin disorders
10/08/1991CA1290335C Pharmaceutical compounds
10/08/1991CA1290326C Acrylic acid amides
10/06/1991WO1991015451A1 Novel derivatives of phenyl-cycloalkanes and -cycloalkenes
10/06/1991CA2079785A1 Derivatives of phenyl-cycloalkanes and cycloalkenes
10/03/1991WO1991015481A1 Process for the preparation of high-purity tetrahydrofuran
10/03/1991WO1991014684A1 New process for synthesis of propargyl alcohols and its use to produce prostaglandin precurseurs
10/02/1991EP0449523A1 Mercapto- or acylthio-trifluoromethyl amide derivatives and their use
10/02/1991EP0448850A1 2-Alkyl-3-benzoylbenzofurans useful for treating cardiac arrhythmia
10/02/1991EP0448726A1 2-substituted 2-cyclopentenone and carcinostatic agent and osteogenesis promoter containing the same as active ingredient
10/02/1991DE4010339A1 Neues verfahren zur synthese von propargylalkoholen und dessen anwendung zur herstellung von prostaglandinvorstufen New process for the synthesis of propargylic alcohols and its application for the production of prostaglandinvorstufen
10/02/1991CN1054978A Novel ascorbic acid derivatives
10/02/1991CN1014148B Process for preparation of 2,3-dihydrobenzofuran-5-sulfonylamine derivs.
10/02/1991CA2013661A1 Benzyl-cyclanone derivatives, process for their preparation and cosmetic and pharmaceutical compositions containing the same
10/01/1991US5053508 Anxiolytic agents
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