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)
10/1991
10/01/1991US5053430 Use of 2,7-diamino-1,2,3,4-tetrahydronaphthalenes as medicaments, new 2,7-diamino-1,2,3,4-tetrahydronaphthalenes and processes for their preparation
10/01/1991US5053073 Thiophene derivatives useful as fungicidal, insecticidal or plant growth regulating agents
10/01/1991US5053072 Heterocyclic n-acylsulfonamides, and their use as herbicides or growth regulators
10/01/1991CA2039360A1 Furopyrimidine derivatives
09/1991
09/30/1991WO1991014672A1 Chiral catalysts for enantioselective synthesis
09/28/1991WO1991014674A2 5-lipoxygenase inhibitors
09/28/1991CA2078126A1 5-lipoxygenase inhibitors
09/25/1991EP0448412A2 A route to glycals in the allal and gulal series
09/25/1991CN1054767A Process for preparing synthesis of 5-acyloxy and 5-alkoxy-2,2-dihydro-4,6,7-trimethyl-2-(rs)-benzofuranacetic
09/25/1991CN1054726A Catalyst for producing phthalic anhydride
09/24/1991US5051449 Treatment of cellulite with retinoids
09/24/1991US5051447 Applying aromatic oximes to plants, seeds or soils
09/24/1991US5051435 Pharmaceutical preparations
09/24/1991US5051428 2-amino-4 or 5-methoxycyclohexyl amides useful as analgesics
09/24/1991CA2037754A1 Route to glycals in the allal and gulal series
09/24/1991CA1289560C Cyclohexenone derivatives, the preparation and use thereof as herbicides and plant growth regulators
09/19/1991WO1991013871A1 Monourea derivative and its salt
09/19/1991WO1991013855A1 Phenanthrene derivative
09/18/1991EP0447325A1 Novel ascorbic acid derivatives
09/18/1991EP0447267A1 Catalyst for producing phthalic anhydride
09/18/1991EP0447189A1 5-Hydroxy-2,3-dihydrobenzofuran analogs as leukotriene biosynthesis inhibitors
09/18/1991EP0446809A1 New process for the synthesis of 5-acyloxy and 5-alkoxy-2,3-dihydro-4,6,7-trimethyl-2-(RS)-benzofuranacetic acids
09/18/1991EP0446798A1 1-alkyl-, 1-alkenyl- and 1-alkynylaryl-2-amino-1, 3-propanediols and related compounds, a process and intermediates for their preparation and their use as medicaments
09/18/1991EP0446740A2 Utilization of benzophenone-derivatives as antiluminous agents for aromatic polycarbonates and polyestercarbonates
09/18/1991EP0446539A1 Novel ascorbic acid derivatives
09/18/1991EP0446211A1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups.
09/18/1991CN1054598A N-(4-piperidinyl) (dihydrobenzofuran or dihydro-2h-benzopyran) carboxamide derivatives
09/17/1991WO1991013929A1 Noncrystalline polymers and production thereof
09/17/1991US5049694 Cardiovascular disorders
09/17/1991US5049682 Process for the preparation of halophthalic anhydrides
09/17/1991US5049676 Chemical intermediates for herbicides
09/17/1991US5049585 Certain 3,3-bis-(difluoro methyl)2,2-dimethyl-cyclopropane carboxylates having insecticidal activity
09/17/1991US5049581 Dibenzofurans having anti-tumor activity
09/17/1991US5049575 Substituted carboxylic acid, fungicidal compositions and use
09/17/1991US5049464 Photosensitive member for electrophotography
09/14/1991CA2357062A1 1-alkyl-, 1-alkenyl- and 1-alkynylaryl-2-amino-1, 3-propanediols and related compounds, a process and intermediates for their preparation and their use as medicaments
09/13/1991CA2037683A1 Process for the synthesis of 5-acyloxy and 5-alkoxy-2,3-dihydro-4,6,7-trimethyl-2-(rs)- benzofuranacetic acids
09/11/1991EP0446097A1 Substituted etylamines, process for their preparation, their use as therapeutic agents and intermediates for their synthesis
09/11/1991EP0446078A1 Silver halide photographic materials
09/11/1991EP0445949A1 Pharmaceutical compositions comprising carboxylic acid derivatives
09/11/1991EP0445926A2 Organic materials having sulfonamido linked poly(oxyalkylene) moieties and their preparation
09/11/1991EP0445862A2 N-(4-piperidinyl)(dihydrobenzofuran or dihydro-2H-benzopyran)carboxamide derivatives
09/11/1991EP0445843A2 Process for the preparation of cyclopropanecarboxylic acid derivatives substituted at position 3 by a saturated halogenated chain
09/11/1991EP0445827A2 4-Hydroxytetrahydropyran-2-one derivatives useful as cholesterol and lipid reducing agents
09/10/1991US5047560 Process for producing highly pure 3,3',4,4'-biphenyltetracarboxylic acid or dianhydride thereof
09/10/1991US5047432 Arylcyclobutylmethylamine therapeutic agents
09/10/1991US5047425 Amine derivatives having cardiovascular activity
09/10/1991US5047422 Treating A Disorder Of The Central Nervous System, Cardiovascular System Or Intestinal Tract
09/10/1991US5047411 Antiulcer Agents, H2-Receptor Antagonists
09/09/1991WO1991013882A1 Isomerization of epoxyalkenes to 2,5-dihydrofurans and catalysts compositions useful therefor
09/09/1991CA2276192A1 Isomerization of epoxyalkenes to 2,5-dihydrofurans and catalysts compositions useful therefor
09/05/1991WO1991013068A1 Process for the production of dipostassium ascorbate-2-sulphate
09/04/1991EP0445013A1 C-cycloalkyl-alkylamines, process for their preparation, their use as therapeutic agents and intermediates for their synthesis
09/04/1991EP0444741A2 Glycidylester-anhydride adducts, curing of epoxy resin powder coatings
09/04/1991EP0444199A1 Ascorbic acid derivatives
09/03/1991US5045564 Calcium channel antagonists
09/03/1991US5045530 Conprising a micelle or a vesicle of a cationic teniside based on a hydrophobic alkyl-substituted pyridinium compound and a hydrophobic drug; drug delivery; skin disorders
09/03/1991US5045458 Antibiotics PB-6042S
09/03/1991CA1288426C Process for producing 13-substituted milbemycin derivatives
08/1991
08/28/1991WO1991013067A1 Process for preparing furan compositions
08/28/1991EP0443923A1 New aminophosphine-phosphinites, their process and their use for enantio-selective reactions
08/28/1991EP0443856A1 Preparation of isopropylidene bis(phthalic acid) and isopropylidene bis (phthalic anhydride)
08/28/1991EP0443710A1 Benzoquinone antiallergy and antiinflammatory agents
08/28/1991EP0443392A1 Process for the production of tetrahydrofuran and alphabutyrolactone
08/28/1991EP0443391A1 Method for obtaining tetrahydrofuran from mixtures containing tetrahydrofuran, 1,4-butanediol, gamma-butyrolactone and succinic acid esters
08/28/1991EP0408749A4 Derivatives of 3,18-dihydroxy-9,13-epoxylabdane, method of obtaining them and a hemostatic pharmaceutical preparation based thereon
08/28/1991CN1054060A Hydrogenation with cu-al-x catalysts
08/28/1991CA2075916A1 Process for preparing furan compositions
08/28/1991CA2037081A1 Carboxylic acid derivatives
08/27/1991US5043510 Aqueous alkylation process
08/27/1991US5043459 Saccharoascorbic acid derivatives and production thereof
08/27/1991US5043457 2(5H)-furanones substituted in the 3 position, as Ca2+ channel antagonists and anti-inflammatory agents
08/27/1991US5043354 Pharmaceutically useful 5-hydroxy-2,3-dihydro-benzofurans and 5-hydroxy-benzofurans
08/27/1991US5043338 Fungicide compositions
08/27/1991CA2037123A1 Substituted ethylamines, their process of preparation, their use as medication and their synthetic intermediates
08/27/1991CA2011045A1 Immunosuppressant
08/23/1991CA2036686A1 Glycidylester-anhydride adducts, curing of epoxy resin powder coatings
08/22/1991WO1991012005A1 Neuroprotective 3-piperidino-4-hydroxychroman derivatives and analogs
08/22/1991WO1991011994A1 Inhibitor of denatured ldl formation
08/22/1991DE4005295A1 THF recovery from butane-diol butyrolactone and succinate ester mixts. - by heating with layer silicate at 100-250 deg. C, distilling off THF water and sepg. THF from distillate
08/22/1991CA2076012A1 Agent for inhibiting the formation of denatured ldl
08/21/1991EP0442754A2 Reagents and methods for stereospecific fluoromethylation
08/21/1991EP0252964B1 Catalytic method for producing fluoroaromatic compounds using substituted pyridinium salts
08/21/1991CN1053923A Neuroprotective 3-piperidino-4-hydroxychroman derivatives
08/21/1991CN1053920A Method of resolving cis-3-amino-4-(2-(2-furyl) eth-1-yl)-1- methoxycarbonylmethyl-azet idin-2-one
08/20/1991US5041681 Chemical process
08/20/1991US5041663 Novel oxime ethers, the preparation thereof, compositions containing them and the use thereof
08/20/1991US5041653 Substituted benzamide radiosensitizers
08/20/1991US5041568 Production of (RS)-2-(2,3-dihydro-5-hydroxy-4,6,7-trimethylbenzofuranyl) acetic acid and related compounds
08/20/1991US5041564 Rapidly vaporized reactant with hot hydrogen gas
08/20/1991US5041563 Rearrangement process
08/20/1991US5041557 Antiulcer agents
08/20/1991US5041238 o,o'-Bridged oligophenylene laser dyes, dyestuff lasers and methods of lasing therewith
08/20/1991CA2036559A1 New aminophosphine-phosphinites, a process for their fabrication and their application to enantioselective reactions
08/17/1991WO1991012257A2 Synthesis of sugars and amino acids from substituted and unsubstituted arene diols
08/17/1991CA2059265A1 Synthesis of sugars and amino acids from substituted and unsubstituted arene diols
08/14/1991EP0441543A1 Method of resolving cis 3-amino-4-[2-(2-furyl)eth-1-yl]-1-methoxycarbonylmethyl-azetidin-2-one
08/14/1991EP0441506A2 Neuroprotective 3-piperidino-4-hydrosychroman derivatives
08/14/1991DE4003907A1 5-Tri:fluoromethyl-1,3-di:aminobenzene(s) as hair colourant - have good stability to heat and light, and are compatible with other colourants for shade modification
08/13/1991US5039701 Novel benzofuran derivatives and therapeutic agents containing them
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