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)
09/1981
09/01/1981US4287209 Derivatives of phenoxyalkylcarboxylic acids
09/01/1981US4287127 By reduction of a butyraldehyde ether to a buranol ether, followed by cleavage and ring formation
09/01/1981CA1108168A1 Herbicides
09/01/1981CA1108164A1 Herbicides
09/01/1981CA1108163A1 N,n-disubstituted-2-furylethyl amines
09/01/1981CA1108162A1 2-acyl-5-substituted thiatetra-hydrofuran-4-ones, processes for preparing same and organoleptic uses thereof
09/01/1981CA1108161A1 Fungicidally active cyclopropanecarboxylic acid anilides
09/01/1981CA1108078A1 Fermentation process
08/1981
08/26/1981EP0034521A1 Analgesic drug containing 1-(3'-benzofuryl)-4-benzylpiperazine and process for its preparation
08/26/1981EP0034495A2 Hypoglycemic guanylamidines, processes for their preparation, and pharmaceutical compositions containing them
08/26/1981EP0034481A1 2-Methyl-5-thiazole-methylamine and carboxamide derivatives
08/26/1981EP0034281A2 Method for the control of stem growth and stem stiffness of selected crops
08/25/1981US4285969 Insecticides
08/25/1981US4285966 Certain 15-epi-prostacyclins
08/25/1981US4285932 Enzyme derivatives for use in the treatment of venous thrombosis
08/25/1981US4285880 D-Homopregnanes
08/25/1981US4285871 Absorption by maleic anhydride
08/25/1981US4285870 Process for continuously separating phthalic anhydride from the reaction gases of the catalytic oxidation of o-xylene and/or naphthalene
08/25/1981US4285869 19-Hydroxy-6-hydroxy-7a-homo-PGI1 compounds
08/25/1981US4285868 Preparation of gamma-butyrolactones
08/25/1981CA1107732A1 Phthalazin-4-ylacetic acid derivatives
08/20/1981WO1981002296A1 New prosta erivatives,preparation and utilization thereof
08/19/1981EP0033959A1 Unsaturated spiro-compound, its use in perfumes and aromas and process for its preparation
08/19/1981EP0033860A2 Method for the catalytic hydrogenation of organic compounds
08/19/1981EP0033797A1 1-Hydroxyalkanamine tetrahydrocarbazoles, their preparation, pharmaceutical compositions containing same and their preparation, intermediates therefor and their preparation
08/18/1981US4284792 19-Hydroxy-19-methyl-inter-phenylene-PG1 compounds
08/18/1981US4284646 Prostanoic acid derivatives and their preparation
08/18/1981US4284644 Spirobenzofuranone compounds
08/18/1981US4284634 1,4-Dihydropyridine derivatives, and pharmaceutical method of the same
08/18/1981US4284584 Process for the preparation of acyl cyanides
08/18/1981US4284571 Recycling some of the exhaust gases
08/18/1981US4284569 Antiatherosclerotic furochromones
08/18/1981US4284567 Cyclization to tetrahydropyrans or tetrahydrofurans
08/18/1981US4284566 Herbicidal α-[4-trifluoromethylphenoxy)-propionic acid γ-butyrolactone ester and thioester
08/18/1981US4284564 Process for the in-solvent, in-situ generation of haloalkyl alkyl ethers useful to produce N-substituted-2-haloacetanilides
08/18/1981CA1107290A1 Oxygenated heterocycles and process for preparation thereof
08/12/1981EP0033702A2 2-Nitronaphthofurane derivatives, their preparation and their use, in particular as cell-growth regulators
08/12/1981EP0033660A1 2-(1-Piperazinyl)-cycloheptimidazole derivatives, processes for their preparation, pharmaceutical compositions containing them, and the preparation of such compositions
08/12/1981EP0033614A1 Phenylalkanoic acid derivatives, processes for the preparation thereof and pharmaceutical compositions containing them
08/12/1981EP0033516A1 Substituted anilides, preparation of these compounds, fungicidal agents containing the same as active ingredients and use of such compounds and agents in combating fungi in agriculture and horticulture
08/12/1981EP0033323A1 Improvements to processes and apparatuses for obtaining furfural from plant materials.
08/11/1981US4283575 2-Decarboxy-2-hydroxymethyl-19-hydroxy-6a-carba-PGI2 compounds
08/11/1981US4283558 2-Decarboxy-2-aminomethyl-19-hydroxy-PG compounds
08/11/1981US4283550 Bronchodilator agents, hypotensive agents, antiulcer agents
08/11/1981US4283414 Pesticidal fluorinated esters of the pyrethrin or pyrethroid type
08/11/1981US4283413 Antitumor agents
08/11/1981US4283348 Sodium ethoxide promoted cyclization of levulinic acid esters
08/11/1981US4283344 Reacting a,a,a-trichloro-o-toluic chloride with hydrogen fluoride
08/11/1981US4283343 Process for producing liquid dibasic acid anhydrides
08/11/1981US4283341 By cyclization of the corresponding diazo ester
08/11/1981US4283340 Ascorbic acid intermediates
08/11/1981US4283307 Catalyst structure for the partial oxidation of n-butane to produce maleic anhydride
08/11/1981CA1106853A2 Glyoxal reaction products with dihydroxylated compounds
08/11/1981CA1106852A2 Benzofuranylphenol stabilizers
08/11/1981CA1106851A1 N.sup.2-substituted-l-arginine derivatives and the pharmaceutically acceptable acid addition salts thereof
08/11/1981CA1106838A1 6-(2,3-dihydro-5-benzofuranyl) acetamido penicillin derivatives
08/11/1981CA1106588A1 Benzofuranylphenol stabilizers
08/05/1981EP0033259A2 3-(buta-1',3'-dienyl) substituted derivatives of cyclopropane-1-carboxylic acid, compositions against the parasites of plants and warm-blooded animals, and perfuming compositions containing them; their preparation
08/05/1981EP0033114A2 Fungicidal substituted thioureas, preparation thereof and use thereof as fungicides; compositions containing them
08/05/1981EP0033066A2 Penicillin derivatives, intermediates for their preparation, pharmaceutical compositions containing them, their preparation and their use
08/04/1981US4282372 Process for producing cyclopentenolones
08/04/1981US4282354 Photoconductors
08/04/1981US4282249 Oxyimino-substituted (1R, cis)-cyclopropanecarboxylate pesticides
08/04/1981US4282246 Antidiabetic furancarboxylic and thiphenecarboxylic acids
08/04/1981US4282158 Process for producing α,β-unsaturated ketones
08/04/1981US4282157 Process for the preparation of polyalkenyl-substituted succinic anhydride
08/04/1981US4282156 Method for the production of novel anhydride polycarboxylates
08/04/1981US4282154 6-h(3) labeled
08/04/1981US4282138 Esters of tetracarboxylic acids and resins derived therefrom
08/04/1981US4282116 Supported catalyst containing vanadium and titanium and/or zirconium for the preparation of phthalic anhydride
07/1981
07/28/1981US4281205 2-Decarboxy-2-hydroxymethyl-19-hydroxy-6-oxo-PGF1 compounds
07/28/1981US4281191 19-Hydroxy-19-methyl-PG amides
07/28/1981US4281183 Oxyimino-substituted cyclopropanecarboxylate
07/28/1981US4281182 Halogenation, cyclization
07/28/1981US4281150 Antiasthmatic prostaglandins
07/28/1981US4281114 By heating the compound under a progressively increasing vacuum, followed by the addition of an alkali or alkaline metal hydroxide catalyst
07/28/1981US4281113 Useful as chemical intermediates in the formation of the prostacyclin analogs, which are antithrombotic agents
07/28/1981US4281018 Hypolipidemic and antiatherosclerotic agents
07/28/1981US4281013 Antiatherosclerotic use of khellin and khellinin
07/28/1981US4281011 Insecticidal N-methyl-N-(benzene sulfonic acid methylamide-N'-sulfenyl)-carbamic acid oxime esters
07/28/1981US4281004 For treatment of diabetes
07/28/1981US4280959 Silver, phosphorus, oxygen catalyst
07/28/1981CA1105927A1 Triple ions of 1,2-and 1,4-dicarbonyl compounds and analogs thereof containing nitrogen and containing two strategic oxygen or nitrogen groups and process for producing same
07/22/1981EP0032432A1 Prostanoid compounds and their preparation and pharmaceutical formulations
07/21/1981US4279922 Photosensitizing benzofuranacrylics
07/21/1981US4279921 Dichloromaleic acid diamide derivatives and their use as fungicides
07/21/1981US4279911 Amine derivatives and pharmaceutical compositions containing them
07/21/1981US4279910 Hypotensive
07/21/1981US4279903 Anthelmintics, insecticides
07/21/1981US4279902 Anti-arrhythmia agents
07/21/1981US4279835 Pesticides, fingicides
07/21/1981US4279823 Thallation carbonylation of arenes
07/21/1981US4279819 Gastrointestinal disorders
07/21/1981CA1105476A1 Tetrahydrofuran-ether derivatives and their use as herbicides
07/21/1981CA1105469A1 Derivatives of m-diethylaminophenol useful as intermediates for dyes
07/15/1981EP0031932A2 Substituted lactones, pentanoic acid derivatives and process for their preparation
07/14/1981US4278688 Prostaglandin analogues
07/14/1981US4278680 Hypoglycaemically and hypolipidaemically active derivatives of phenylacetic acid
07/14/1981US4278613 Antidotes
07/14/1981US4278563 1a or 2a metal halide, iodide or palladium chloride
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