Patents
Patents for C07D 491 - Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or (29,726)
08/1991
08/13/1991CA2036039A1 Method for treatment of sleep apneas
08/13/1991CA1287632C Quinazolinone compounds and processes for the preparation thereof
08/11/1991CA2035988A1 Imidazole compounds, processes for their preparation, pharmaceuticals based on these compounds and some intermediaes
08/09/1991CA2035966A1 Compounds
08/07/1991WO1991012255A1 Therapeutic agents
08/07/1991EP0439785A2 Substituted 2-[6-(pyrimidinyl)-indol-1-yl]-acrylic acid ester
08/07/1991CN1053613A Nitrogen-containing spirocycles
08/07/1991CN1013445B Process for the preparation of heterocyclic compounds
08/07/1991CA2074816A1 Therapeutic agents
08/06/1991US5037844 Substituted 1H-indazole-3-carboxamides
08/06/1991CA1287226C Hollow shaft made of a material having a low modulus of elasticity, with drive elements secured thereon by expanding the shaft
08/03/1991WO1991011448A1 Therapeutic agents
08/03/1991CA2074841A1 Therapeutic agents
08/01/1991WO1991011438A1 Arthropodicidal pyrazolines, pyrazolidines and hydrazines
08/01/1991CA2074179A1 Arthropodicidal pyrazolines, pyrazolidines and hyrazines
07/1991
07/31/1991EP0438458A1 Substituted indazoles as arthropodicides
07/30/1991US5036080 (D)-6-fluoro-2,3-dihydro-2',5-dioxo-spiro[4H-1-benzopyran-4,4'-imidazolide]-2-carboxamide compounds
07/30/1991CA1287057C Malonate-based spiroacetals of polyalkylpiperidin-4-one light stabilizers
07/30/1991CA1287054C Diethyl ester derivatives of polyalkyl 1,4-dioxa-8-azaspiro¬4,5|-decane-2,3-dicarboxylic acid light stabilizers for plastics
07/30/1991CA1287051C Phenylpiperazine derivatives and their acid addition salts
07/25/1991WO1991010660A1 Use of pyridyl sulphonyl ureas as herbicides and plant growth regulators, process for producing them and their use
07/25/1991WO1991010421A1 Use of n-acyl derivatives of homocysteine to modify the structure of keratin and cosmetic compositions containing these derivatives
07/24/1991EP0438261A2 Condensed heterocyclic glutamic acid derivatives, their production and use
07/24/1991EP0437538A1 N-sulfenylated and n-acylated pyrazolines
07/24/1991EP0437455A1 Substituted indazole arthropodicides
07/24/1991CN1053236A Pyridylsulfonylurea herbicides and agent for regulating plant growth
07/23/1991US5034531 Fused polycyclic pyranyl compounds as antiviral agents
07/23/1991US5034401 Derivatives of (1-hydroxy-2-piperidylalkyl-indol-2-ones, 2-quinolinones, 2-benzo(B)azapinones, benzimidazol-2-ones, and quinazolin-2-ones, their preparation and their application in therapeutics
07/23/1991CA1286833C Ultraviolet blocking agents for contact lenses
07/23/1991CA1286675C Adrenergic compounds
07/23/1991CA1286672C Fused bicyclic imides with psychotropic activity
07/23/1991CA1286663C 1-substituted oxindole-3-carboxamides as antiinflammatory and analgesic agents
07/17/1991EP0436653A1 Synthesis of camptothecin and analogs thereof
07/17/1991CA2034292A1 Condensed heterocyclic compounds, their production and use
07/16/1991US5032603 Medicaments
07/16/1991US5032596 Hypotensive
07/16/1991US5032166 Herbicidal pyridine sulfonylureas
07/16/1991CA1286300C 5-(1-cyano-n-methyl-n-phenethyl)-alkylamino-2,2-8-trimethyl -4h-dioxino-¬4,5-c|-pyridine derivatives
07/12/1991WO1991011435A2 NEW CENTRALLY ACTING 6,7,8,9-TETRAHYDRO-3H-BENZ(e)INDOLE HETEROCYCLICS
07/11/1991WO1991009849A1 Diaromatic substituted anti-aids compounds
07/11/1991DE4000503A1 New pyridyl:sulphonyl-urea and-thiourea derivs. - used as herbicide(s) and plant growth regulator(s)
07/10/1991CN1013076B Process for preparing heterocyclic compounds
07/09/1991US5030270 Sulfonylureas with heterocyclic substituents, and the use thereof as herbicides or plant-growth regulators
07/09/1991CA1285955C Dyeing compounds for keratinic fibres, based on indole derivatives and novel compositions
07/04/1991DE3942991A1 New 2,3-bis:indolyl-maleimide derivs.
07/03/1991EP0435041A2 Heterocyclic compounds
07/02/1991US5028690 Aromatic polycarbonate end capped with maleimide moiety
07/02/1991CA1285571C Anisole derivatives
07/02/1991CA1285514C Physiologically active substance fa-4283, its derivatives and production thereof
06/1991
06/27/1991WO1991009035A1 Method for converting allo isomers of pentacyclic oxindolalkaloids of formula c21h24n2o¿4?
06/26/1991EP0434341A1 Diazine derivatives
06/25/1991US5026870 Blocking D-glycero-D-gulo-heptono-1,4-lactone, reducing, reacting with methanesulfonyl chloride, then with benzylamine, deprotecting, cyclizing, cleaving by catalytic hydrogenation, neutralizing, hydrolyzing
06/25/1991US5026855 Stereospecific process for the preparation of furo[3,4-c]pyridine, enantiomer, compounds thus obtained and therapeutical compositions thereof
06/25/1991US5026714 Novel 1-alkyl-substituted 1,4-dihydropyridinelactone anti-diabetics
06/25/1991US5026713 1,3-dideoxy-3-fluoronojirimycin which inhibits glycosidase activity
06/25/1991US5026711 Prevention and treatment of cardiovascular disorders and infections states; anxiolytic and anti-allergic agents
06/23/1991CA2032743A1 Diazine derivatives
06/22/1991WO1991009961A2 Novel products
06/22/1991CA2071982A1 Products
06/19/1991EP0432630A2 Antitumor agent
06/18/1991US5025098 Method of preparing bicyclic tetrahydroxylated pyrrolizidines
06/18/1991US5025021 1,2-dideoxy-2-fluoronojirimycin as glycosidase inhibitors
06/18/1991US5025009 Novel benzazepine derivatives
06/14/1991CA2032092A1 Antitumor agent
06/12/1991WO1991009024A1 Quinazoline-3-alkanoic acid derivative, salt thereof, and production thereof
06/12/1991EP0432017A1 Derivatives of tetrahydro-2,3,6,7,1H,5H,11H-(1)benzopyrano(6,7,8,ij)quinolizinone-11 usable as markers for organic compounds for the purpose of detecting said compounds by chemiluminescence or fluorescence
06/12/1991EP0431943A2 Nitrogen-containing spirocycles
06/12/1991EP0431741A2 Substituted pyrimidineamino compounds
06/12/1991EP0431425A2 Chromogen enamine compounds, their preparation and use as colour formers
06/12/1991CA2046603A1 Quinazoline-3-alkanoic acid derivatives, their salts and their preparation processes
06/11/1991US5023340 Glycosidase inhibitors
06/11/1991US5023261 Acylated benzofuro[3,2-c]quinoline compounds with utility as treatments for osteoporosis
06/11/1991US5022916 Substituted sulfonyldiamides, processes for their preparation, and their use as herbicides and plant growth regulators
06/09/1991CA2031633A1 Nitrogen-containing spirocycles
06/05/1991WO1991008209A1 Bornyl and isobornyl carboxylic esters of condensed tetrahydroquinoxalines
06/05/1991EP0429585A1 Cytochalasin compositions and therapeutic methods
06/05/1991CA2046315A1 Bornyl and isobornyl esters of carboxylic acids of condensed tetrahydroquinoxalines
06/04/1991US5021562 Method for azide displacement of α-triflates of 1,5-lactones
06/04/1991US5021433 Novel pharmacological compounds
06/04/1991US5021423 Antibiotic, antitumor agent
06/04/1991CA1284647C Isoindolin-1-one derivative and anti-arrhythmic agent
05/1991
05/30/1991WO1991007403A1 NOVEL BENZO [b] PHENANTHROLINE-1,7 DERIVATIVES, AND THEIR PREPARATION AND THERAPEUTICAL APPLICATIONS
05/30/1991WO1991007391A1 Purification of benzophenanthridine alkaloids from alkaloid extracts
05/30/1991WO1991007382A1 Substituted semicarbazone arthropodicides
05/30/1991WO1991007087A1 Spatially-addressable immobilization of anti-ligands on surfaces
05/29/1991WO1991007966A1 Immunosuppressant and process for preparing the same
05/28/1991US5019590 Antimalarial analogs of artemisinin
05/28/1991CA1284504C Piperidine compounds
05/27/1991CA2029278A1 4-amidino chroman and 4-amidino pyrano (3,2-c) pyridine derivatives, a process for their preparation and pharmaceutical compositions containing them
05/21/1991US5017708 Chemical intermediates for antibiotics
05/21/1991US5017590 1,4-dihydropyridine-threonine compounds with cardiovascular activity
05/21/1991CA1284322C 1-(4-aminophenyl)-4-methyl-7,8-methylenedioxy-3,4- dihydro-5h-2,3-benzodiazepine and a process for preparing same
05/15/1991EP0427694A1 Synthesis of mannojirimycin derivatives
05/15/1991EP0427693A1 Method for azide displacement of alpha-triflates of 1,5-lactones
05/15/1991EP0427636A2 4-Acylaminopyridine derivatives
05/15/1991EP0427606A1 4-Amidino chromane and 4-amidino pyrano(3,2-c)pyridine derivatives, process for preparation and pharmaceutical compositions containing them
05/14/1991US5015661 Chromanes and their pharmaceutical compositions and methods
05/14/1991US5015284 Alkyl- and alkenylsulfonylureas which are substituted in the heterocycle, and their use as herbicides or plant growth regulators
05/08/1991EP0426379A2 Substituted cyclobutenedione compounds
05/02/1991WO1991005549A1 Benzoheterocyclic compounds