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)
12/1991
12/31/1991US5077417 Acidifying, cyclizing a polyunsaturated alicyclic alcohol or protected hydroxy group
12/31/1991US5077415 Disubstituted aromatic dianhydrides
12/31/1991US5077412 Substituted thioureas, isothioureas and carbodiimides
12/31/1991US5077411 Antiallergens, antiinflammatory agents; cardiovascular disorders, migraines, psoriasis
12/31/1991US5077402 For photocuring pigmented systems; printing inks, lacquers
12/31/1991US5077364 Polymerization of maleic anhydride
12/31/1991US5077306 Fungicidal n,n'-diacylaminals
12/31/1991US5077037 Novel compositions for magnetic resonance imaging
12/31/1991CA1293735C Rooperol and its derivatives
12/31/1991CA1293728C Ascorbic acid derivatives, production and use thereof
12/30/1991CA2045863A1 Process of making 2,5-diaryl tetrahydrofurans and analogs thereof useful as paf antagonists
12/28/1991CA2045762A1 Acrylates with an alcohol, aldehyde and/or ether group; process for preparing the same and their use for the production of new polymers and copolymers
12/28/1991CA2045445A1 New compounds of 4-amino butyric acid, the process for their preparation and the pharmaceuticals containing them
12/27/1991EP0462935A1 Enantiomers of 2-tetrahydrofuran derivatives, intermediates therefor and their preparation
12/27/1991EP0462812A2 Pyran derivatives as inhibitors of 5-lipoxygenase
12/24/1991US5075488 Soil disease-controlling cyano and ester derivatives of cyclopentenyl amine
12/24/1991US5075455 Tricyclic derivatives
12/24/1991US5075398 Bismaleimide-styrene compound-acid compound-containing thermosetting composition
12/24/1991US5075331 For skin disorders
12/24/1991US5075301 Furan derivatives useful for the treatment of gastro-intestinal disorders
12/24/1991US5075208 Silver halide photographic material
12/24/1991US5075099 Diagnosis, therapy
12/24/1991CA1293513C Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth
12/24/1991CA1293511C Allenyl amines
12/24/1991CA1293508C Dihydropyridinelactols, processes for their preparation and their use as medicaments
12/22/1991CA2045095A1 Heterocyclene derivatives
12/20/1991CA2044786A1 Enantiomers of 2-tetrahydrofuran derivatives, intermediates, therefor, and their preparation
12/17/1991US5073641 Prodrug derivatives of carboxylic acid drugs
12/17/1991US5073192 Phenoxy phthalides
12/17/1991US5073184 Agricultural fungicides, insecticides, plant growth regulators
12/17/1991CA1293253C Antioestrogenic phenol derivatives
12/15/1991WO1991019702A1 3-aryl-2-hydroxypropionic acid derivatives and analogs as hypoglycemic agents
12/15/1991CA2084898A1 3-aryl-2-hydroxypropionic acid derivatives and analogs as hypoglycemic agents
12/12/1991WO1991018969A1 Fluorinated bis(hydroxymethyl)cyclobutyl purines and pyrimidines
12/12/1991WO1991018894A1 Preparation of 2,2-dialkoxy cyclic orthoesters derived from lactones
12/12/1991DE4018623A1 Cyclohexenone-oxime:ether derivs. - are herbicides active against e.g. Setaria viridis
12/12/1991DE4018508A1 New cyclohexenone oxime phenyl- and hetero:aryl-alkynyl ether(s) - useful as herbicides, esp. for control of weed grasses
12/11/1991EP0460687A2 Process for the preparation of oxydiphthalic anhydride and acyloxyphthalic anhydrides
12/11/1991EP0460575A1 Aromatic compounds
12/11/1991EP0460413A1 A method of preparing trans-3,4-disubstituted-gamma-lactones
12/10/1991US5072046 Bis-[aminophenyl ketones] compounds
12/10/1991US5072009 Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone
12/10/1991US5072008 Manufacture of lactol derivatives
12/10/1991US5072005 Reacting acrolein, carbon monoxide, methanol in presence of palladium catalyst, hydrogen halide and arylarsine promoter
12/10/1991US5071986 Chromogenic phthalides and azaphthalides
12/10/1991US5071860 Insecticidally active substituted heteroaryl phenyl ethers
12/10/1991US5071853 Amine-substituted hexahydroindeno(2,1-b)pyrroles, -indeno(2,1-c)pyridines or -indeno(2,1-d)azepines; cerebral ischemia or infarction
12/09/1991CA2044110A1 Process for the preparation of oxydiphthalic anhydride and acyloxyphthali anhydrides
12/04/1991EP0459660A2 Halopropargyl compounds and the use thereof as microbicides
12/04/1991EP0459611A2 Furopyrimidine derivatives
12/04/1991EP0459298A2 Use of substituted beta-hydroxyethylamines as potent inhibitors of a fungal exoenzyme
12/04/1991EP0459230A1 Methanthiols, process for their preparation and their use
12/04/1991EP0459198A2 Thioalkanones, procedure for their preparation and their use
12/04/1991EP0458970A1 Benzofuran derivative, process for preparing the same, and pharmaceutical comprising the same as active ingredient
12/04/1991EP0458965A1 Process for the preparation of vinyl ethers.
12/03/1991US5070103 Naphthalene derivatives and composition and methods of use, and aldehyde intermediates
12/03/1991US5070097 Miticides
12/03/1991US5070060 Oxidation of butane to maleic anhydride
12/03/1991CA1292739C Heteroaromatic acetylenes useful as antihypertensive agents
12/03/1991CA1292720C Obtaining very pure maleic anhydride from crude maleic anhydride
12/01/1991CA2032971A1 Process for the preparation of 2,2-dialkoxy cyclic orthoesters derived from lactones
11/1991
11/30/1991CA2043251A1 Methanethiols, process for their preparation and their use
11/27/1991EP0458643A2 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/27/1991EP0458541A1 Improved phosphorous/vanadium oxidation catalyst
11/27/1991EP0458363A1 Fluorinated bis(hydroxymethyl) cyclobutyl purines and pyrimidines
11/27/1991CN1014893B Process for producing 1-(2-tetrahydrofuryl)-5-flurouracil
11/27/1991CA2043216A1 Use of substituted .beta.-hydroxyethylamines as potent inhibitors of the exoenzymes of fungi
11/26/1991US5068461 Insecticidal ethers
11/26/1991US5068432 Process for producing optically pure 2-phenoxyphenylalkylamines
11/26/1991US5068365 Hexahydrophthalic anilide derivatives
11/26/1991US5068359 Fungicides of benzothiophene and benzofuran compounds
11/26/1991US5068247 2-aminopentanoic acid compounds and their use as immunosuppressants
11/26/1991US5068237 Substituted furans and derivatives thereof acting at muscarinic receptors
11/25/1991CA2042931A1 Fluorinated bis (hydroxymethyl) cyclobutyl purines and pyrimidines
11/25/1991CA2042451A1 Halopropargyl compounds, compositions, uses and processes of preparation
11/25/1991CA2041950A1 Process for preparing an optically active cyclobutanone, an intermediate in the synthesis of an optically active cyclobutane nucleoside
11/24/1991CA2042856A1 Thio-alkanones, process for their preparation and their use
11/22/1991WO1991017987A1 Phenol and pyridinol derivatives as pharmaceuticals
11/22/1991CA2081982A1 Phenol and pyridinol derivatives as pharmaceuticals
11/21/1991EP0457505A2 Pyrimidine derivatives and their use as herbicides
11/21/1991EP0457140A2 Phenoxyphenyl sulfonyl compounds
11/21/1991EP0456826A1 Amine derivatives
11/21/1991EP0456760A1 Lipoxygenase inhibiting compounds
11/21/1991DE4016131A1 Bi:cyclic lactone derivs. - useful as components of liq. crystal media for electro=optical displays
11/21/1991DE4015834A1 New phenoxy:phenyl-sulphonyl cpds. - used as defoliant(s), desiccant(s) and weed-killer(s)
11/19/1991US5066815 Asymmetric hydrogenation of ketone, ruthenium-phosphine catalyst
11/19/1991US5066669 Benzofuran derivatives
11/19/1991CA1292236C Process for preparing n-alkylated amino acids and esters thereof
11/19/1991CA1292235C Derivatives of 5-pentylamino-5-oxopentanoic and 4- pentylamino-4-oxobutanoic acids with antagonistic activity towards cholecystokinin and a method for their preparation
11/18/1991WO1991017749A1 Growth inhibitors and methods of treating cancer and cell proliferative diseases
11/18/1991CA2084208A1 Growth inhibitors and methods of treating cancer and cell proliferative diseases
11/18/1991CA2042571A1 Phenoxyphenylsulphonyl compounds
11/16/1991CA2041615A1 Pyrimidine derivatives
11/14/1991WO1991017145A1 Process for preparation of 1,5-(alkylimino)-1,5-dideoxy-d-glucitol and derivatives thereof
11/14/1991WO1991012257A3 Synthesis of sugars and amino acids from substituted and unsubstituted arene diols
11/13/1991EP0456391A1 Process for preparing dihydrofuranone derivatives
11/13/1991EP0456118A2 Cyclohexenonoximethers, process and intermediates for their preparation and their use as herbicides
11/13/1991EP0456112A1 Cyclohexenone oxime ethers, process for their preparation and their use as herbicides
11/13/1991EP0456089A1 Cyclohexenonoximethers, process for their production and their application as herbicides
11/13/1991EP0456069A1 Cyclohexenonoximethers, process and intermediates for their production and their usage as herbicides
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