| 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) |
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| 05/02/1991 | WO1991004260A3 10,11-methylenedioxy-20(rs)-camptothecin and 10,11-methylenedioxy-20(s)-camptothecin analogs |
| 05/02/1991 | EP0424525A1 Novel amines and their use |
| 05/01/1991 | CN1051038A Benzoheterocyclic compounds |
| 05/01/1991 | CA2028668A1 Compounds |
| 04/30/1991 | US5011930 Antilipemic agents, anticoagulants |
| 04/30/1991 | US5011929 From protected azidolactone by reduction and cyclization |
| 04/30/1991 | US5011845 Cyclic diesters of 4-hydroxy-1,3-benzenedimethanol and compositions and methods employing such compounds |
| 04/28/1991 | WO1991006537A2 Substituted indole-, indene-, pyranoindole- and tetrahydrocarbazole- alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase |
| 04/28/1991 | WO1991006297A1 (n-phthalimidoalkyl) piperidines |
| 04/28/1991 | CA2090042A1 Substituted indole-, indene-, pyranoindole- and tetrahydrocarbazole- alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase |
| 04/28/1991 | CA2070422A1 Substituted indole-, indene-, pyranoindole and tetrahydrocarbazole- alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase |
| 04/28/1991 | CA2069318A1 (n-phthalimidoalkyl) piperidines |
| 04/24/1991 | WO1991005556A1 Camptothecin analogs as potent inhibitors of human colorectal cancer |
| 04/24/1991 | EP0424350A1 Derivatives of 1,4-dideoxy-1,4-imino-d-mannitol |
| 04/24/1991 | EP0424349A1 Synthesis of 1,4-dideoxy-1,4-imino-D-mannitol |
| 04/24/1991 | EP0424115A2 Electrophotographic photosensitive materials |
| 04/24/1991 | EP0424064A1 Chiral azabicyloheptanone and a process for their preparation |
| 04/24/1991 | CA2067491A1 Camptothecin analogs as potent inhibitors of human colorectal cancer |
| 04/23/1991 | US5010096 Administering benzodioxino pyrrole compounds; adrenergic blocking agents |
| 04/23/1991 | US5010074 Treating CNS disorders; dopamine antagonist; bioavailability |
| 04/21/1991 | CA2028076A1 Synthesis of swainsonine and analogs thereof |
| 04/17/1991 | EP0422596A2 Tricyclic carbapenem compounds |
| 04/17/1991 | EP0422051A1 Condensed pyrazole 3-oxo-propanenitrile derivatives and process for their preparation |
| 04/16/1991 | US5008275 Pesticidal pyridyl-substituted acrylic ester compounds |
| 04/16/1991 | US5008273 Amino acid derivatives and their pharmaceutical use |
| 04/16/1991 | US5007954 Herbicides |
| 04/16/1991 | CA1283106C 3-amino-dihydropyridines, a process for their preparation, and their use in medicaments |
| 04/16/1991 | CA1283105C 1,4-dihydropyridines, processes for their preparation and their use in medicaments |
| 04/12/1991 | CA2027237A1 Tricyclic carbapenem compounds |
| 04/12/1991 | CA2024844A1 Method for azide displacement of alpha-triflates of 1,5-lactones |
| 04/10/1991 | WO1991004973A1 Indole derivatives, their preparation and use |
| 04/10/1991 | EP0421861A1 2-Hydroxy thiophene- and furan derivatives condensed with a nitrogen containing ring, process for their preparation and their therapeutical application |
| 04/10/1991 | CA2067181A1 Indole derivatives, their preparation and use |
| 04/09/1991 | US5006657 Intermediates in a resolution process for racemic spiro hydantoins |
| 04/04/1991 | WO1991004260A2 10,11-methylenedioxy-20(rs)-camptothecin and 10,11-methylenedioxy-20(s)-camptothecin analogs |
| 04/03/1991 | EP0420808A2 Pyran-containing phthalides |
| 04/03/1991 | EP0419561A1 Heterobicyclic compounds having antiinflammatory activity |
| 04/03/1991 | EP0419542A1 NEW DERIVATIVES OF TETRAHYDRO-2,3,6,7,1H,5H,11H-(1)BENZOPYRANO(6,7,8,ij)QUINOLIZONONE-11 USABLE AS MARKERS FOR ORGANIC COMPOUNDS FOR THE PURPOSE OF DETECTING SAID COMPOUNDS BY CHEMILUMINESCENCE OR FLUORESCENCE. |
| 04/03/1991 | CA2026386A1 Derivatives of 2-hydroxythiopene and -furan fused with a nitrogen - containing ring, process for preparing these and their application in therapy |
| 04/02/1991 | US5004813 Chromogenic phthalides and azaphthalides |
| 04/02/1991 | US5004758 Nontoxic; activity against leukemia |
| 03/28/1991 | DE4029466A1 New fused imidazole cpds. - useful as herbicides |
| 03/27/1991 | EP0419247A2 Selective GABA antagonists, especially isoquinoline derivatives, and their use for treating CNS disorders |
| 03/27/1991 | EP0418834A1 Hydantoin derivatives for treating complications of diabetes and circulatory diseases |
| 03/27/1991 | EP0418385A1 Benzotriazole derivatives and reagents containing same for analyzing carboxylic acids |
| 03/26/1991 | US5003086 Process of preparing dioxydiphthalic anhydride |
| 03/26/1991 | US5003072 Viricides |
| 03/26/1991 | US5002957 Azaneophyl sulfides, and their use as pesticides |
| 03/26/1991 | US5002955 Fused heteroalkylene quinolinamines and use as cholinergic agents |
| 03/21/1991 | CA2025719A1 Method of treatment & heterocyclic compounds used therein |
| 03/20/1991 | EP0418099A2 10, 11-Methylenedioxy-20 (RS) camptothecin and 10, 11-methylenedioxy-20 (S) - camptothecin analog |
| 03/19/1991 | US5001240 Process for preparing optically active hydantoins |
| 03/19/1991 | US5001130 Psychotropic heterobicycloalkylpiperazine derivatives |
| 03/13/1991 | EP0417060A2 Bicyclic tetrahydroxypyrrolizidine |
| 03/13/1991 | EP0417059A2 Bicyclic tetrahydroxylated pyrrolizidines |
| 03/13/1991 | EP0416740A2 Novel compounds with renin-inhibiting activity |
| 03/13/1991 | EP0415990A1 New fluoralkoxy compounds |
| 03/12/1991 | US4999369 Tetracyclic heterocyclic derivatives, pharmaceutical compositions and use |
| 03/12/1991 | US4999363 Tricyclic compounds |
| 03/09/1991 | CA2024841A1 Bicyclic tetrahydroxypyrrolizidine |
| 03/09/1991 | CA2024840A1 Bicyclic tetrahydroxylated pyrrolizidines |
| 03/06/1991 | EP0415102A1 1,3-Dihydro-1-(pyridinylamino)-2H-indol-2-ones, a process for their preparation and their use as medicaments |
| 03/06/1991 | CN1049654A N-(substituted benzyloxy) imine derivatives, process for production thereof |
| 03/05/1991 | US4997985 Alpha amino acid amide compounds which are useful intermediates in the preparation of herbicides |
| 03/05/1991 | US4997947 Process of preparing 2-(imidazolin-2-yl)-nicotinic acid compounds |
| 02/27/1991 | EP0414476A1 Process for the preparation of photochromic spiropyran compounds |
| 02/27/1991 | EP0414422A2 2-Oxo-1-oxa-8-azaspiro [4,5] decane derivatives, processes for their preparation and pharmaceutical compositions thereof |
| 02/27/1991 | EP0414421A2 1-Oxa-2-oxo-8-azaspiro[4,5] decane derivatives, processes for their preparation and pharmaceutical compositions thereof |
| 02/27/1991 | EP0414289A1 Spirocyclic antipsychotic agents |
| 02/27/1991 | EP0414153A1 N-(substituted benzyloxy)imine derivatives, process for the production thereof, use thereof, and method of use thereof |
| 02/27/1991 | EP0414018A2 Process for the preparation of dehydrocycloclausenamide and its derivatives in the racemic form and as optically active (+)- or (-)-enantiomers |
| 02/26/1991 | US4996329 Derivatives of 1,4-dideoxy-1,4-imino-D-mannitol and a process for their preparation |
| 02/26/1991 | US4996320 Thyroid inhibitors |
| 02/26/1991 | US4996210 Cognition activators, nervous system disorders; muscarinic acetylcholine receptor agonists; 2,8-dimethyl-3-methylene-1-oxa-8-azaspiro[4.5]decane for example |
| 02/26/1991 | CA1280748C 1-(hydroxystyryl)-5h-2,3-benzodiazepine derivatives, process for the preparation thereof and pharmaceutical compositions containing the same |
| 02/20/1991 | EP0413516A2 4-Methylene-1-oxa-2-oxo-8-azaspiro[4,5]decane derivatives, pharmaceutical compositions containing them and processes for preparing them |
| 02/20/1991 | EP0413438A1 Benzopyran compounds |
| 02/20/1991 | CN1049349A 2-oxo-1-oxa-8-azaspiro (4,5) decane derivatives, pharmaceutical compositions containing them and process for preparing same |
| 02/20/1991 | CN1049348A 2-oxa-1-oxo-8-azaspiro (4,5) decane derivatives, pharmaceutical compositions containing them and process for preparing same |
| 02/20/1991 | CN1049347A 2-oxa-1-oxo-8-azaspiro ¾4,5 decane derivatives, pharmaceutical compositions containing them and process for preparing same |
| 02/20/1991 | CN1049345A Preparation of new type amide compound with xanthic surface |
| 02/19/1991 | US4994455 Anti-anxiety agents |
| 02/13/1991 | EP0412822A2 4,4-Disubstituted piperidine derivatives, processes for their preparation and pharmaceutical compositions thereof |
| 02/13/1991 | EP0412821A2 1-oxa-2-oxo-3,8-diazaspiro[4,5]decane derivatives, pharmaceutical compositions containing them and processes for preparing them |
| 02/13/1991 | EP0412820A2 2-Oxo-1-oxa-8-azaspiro[4,5] decane derivatives, processes for their preparation and pharmaceutical compositions thereof |
| 02/13/1991 | EP0412763A2 Cephalosporins, processes for their preparation, pharmaceutical compositions containing them and intermediates therefor |
| 02/13/1991 | CN1049120A Process for producing synthetic materials |
| 02/12/1991 | US4992460 Bicyclic tetrahydroxylated pyrrolizidines |
| 02/12/1991 | US4992447 Asthma |
| 02/12/1991 | US4992436 Spiro-azabicyclic muscarinic agonists |
| 02/12/1991 | US4992428 5-aryl-substituted-2,3-dihydro-imidazo[1,2-a]furo- and thieno pyridines |
| 02/12/1991 | CA2023229A1 Nitrogen compounds |
| 02/12/1991 | CA2022664A1 Antibiotic compounds |
| 02/11/1991 | CA2023027A1 2-oxo-1-oxa-8-azaspiro/4,5/decane derivatives, pharmaceutical compositions containing them and process for preparing the same |
| 02/11/1991 | CA2023019A1 1-oxa-2-oxo-8-azaspiro/4,5/decane derivatives, pharmaceutical compositions containing them and process for preparing the same |
| 02/11/1991 | CA2023015A1 4-methylene-2-oxo-8-azaspiro /4,5/decane derivatives, pharmaceutical compositions containing them and process for preparing the same |
| 02/11/1991 | CA2023014A1 2-oxo-1-oxa-8-azaspiro /4,5/decane derivatives, pharmaceutical compositions containing them and process for preparing the same |
| 02/09/1991 | CA2022816A1 Compounds |
| 02/06/1991 | EP0411957A2 Photochromic materials having a thin photochromic film and a method for fabricating the same |
| 02/06/1991 | EP0411885A1 Novel photochromic spiropyran compounds |