| Patents for C07D 498 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms (21,960) |
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| 02/25/1992 | US5091389 Lipophilic macrolide useful as an immunosuppressant |
| 02/25/1992 | US5091383 Bactericides |
| 02/25/1992 | CA2099609A1 Quinobenzoxazine, quinobenzothiazine, and pyrido-acridine antineoplastic agents |
| 02/25/1992 | CA2037120A1 Pyrrolidine derivatives and nootropic agents |
| 02/22/1992 | CA2048003A1 Tricyclic pyridone derivatives |
| 02/20/1992 | WO1992002514A1 Novel benzopyran derivative |
| 02/19/1992 | EP0471303A1 Process for the preparation of 1-alkylisoquinoline derivatives |
| 02/18/1992 | US5089592 Biscyclobutarene monomer comprising two cyclobutarene moieties bridged by a divalent radical comprising at least one benzothiazole or benzimidazole linkage |
| 02/18/1992 | US5089493 Triazolo[1,5-C]pyrimido[1,4]azines as bronchodilators |
| 02/18/1992 | US5089490 Cephem derivatives |
| 02/18/1992 | US5089471 Renin inhibitors |
| 02/15/1992 | CA2048843A1 Hydrogenated rapamycin derivatives |
| 02/12/1992 | EP0470804A1 Oxorapamycin |
| 02/10/1992 | CA2048540A1 42-oxorapamycin |
| 02/06/1992 | WO1992001708A1 Vinylsulphonyl pristinamycin and preparation thereof |
| 02/06/1992 | WO1992001694A1 New salts derived from dialkylaminoalkylsulphonyl-26 pristinamycin ii¿b? |
| 02/06/1992 | WO1992001692A1 Method for preparing sulphonylpristinamycin ii¿b? |
| 02/06/1992 | CA2086923A1 Vinylsulphonyl pristinamycin and preparation thereof |
| 02/05/1992 | EP0469481A1 Process for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro-[4,5]decane compounds |
| 02/05/1992 | EP0469449A1 Azabicyclo derivatives |
| 02/05/1992 | EP0469061A1 Fungicidal oxazolidinones |
| 02/05/1992 | CN1058406A Substituted azole, process for production and use thereof |
| 02/05/1992 | CN1058405A 奎宁环衍生物 Quinuclidine derivatives |
| 02/05/1992 | CN1015368B Ryfamycin derivative salts |
| 02/04/1992 | US5086182 Intermediates for the production of epipodophyllotoxin and related compounds and processes for the preparation and use thereof |
| 02/04/1992 | US5086179 Process for the preparation of optically pure amides |
| 02/04/1992 | US5086170 Cyclooxygenase inhibitors antibiotics |
| 02/04/1992 | CA1295122C Photochromic lens |
| 02/02/1992 | CA2088499A1 Dynemicin analogs: syntheses, methods of preparation and use |
| 02/02/1992 | CA2048193A1 Process for the preparation of 1-oxa-3,8-diaza-4-oxospiro[4,5]decane compounds |
| 01/29/1992 | EP0468562A1 Tetrahydropyridinyl substituted tricyclic derivatives with dopamine antagonistic activity |
| 01/29/1992 | EP0468372A2 Substituted azoles, process for their preparation and their use |
| 01/29/1992 | EP0468258A1 Substituted pyrido-oxazines |
| 01/29/1992 | EP0468187A2 Cyclic amide derivatives |
| 01/29/1992 | CN1058215A Oxazolyl derivatives |
| 01/28/1992 | US5084456 Oxazolopyridine compounds |
| 01/25/1992 | CA2046488A1 Tetrahydropyridinyldibenzazepine derivatives |
| 01/24/1992 | WO1992001688A1 Quinuclidine derivatives |
| 01/23/1992 | WO1992000980A1 Tricyclo compounds, a process for their production and a pharmaceutical composition containing the same |
| 01/23/1992 | DE4023215A1 New substd. azole derivs. angiotensin II antagonists - for treating hypertension, coronary insufficiency, myocardial infarct, coronary hypertrophy, arteriosclerosis etc. |
| 01/23/1992 | DE4022566A1 Hetero-aryl-di:carboxylic acid amide derivs. |
| 01/22/1992 | EP0467844A2 Prevention of oxidation in petrochemical extraction solvents |
| 01/22/1992 | EP0467606A1 Rapamycin derivatives |
| 01/22/1992 | EP0467344A1 Hindered amine light stabilizer hydrazides |
| 01/22/1992 | CA2047467A1 Substituted azoles, a process for their preparation, and their use |
| 01/22/1992 | CA2047327A1 Substituted pyrido-oxazine inhibitors of hmg-coa reductase |
| 01/21/1992 | WO1992001690A1 Novel spiro-isoxazolidine derivatives as cholinergic agents |
| 01/21/1992 | CA2087529A1 Spiro-isoxazolidine derivatives as cholinergic agents |
| 01/20/1992 | WO1992001691A1 New derivatives of streptogramines and preparation thereof |
| 01/20/1992 | WO1992001687A1 Novel oxazolyl derivatives |
| 01/20/1992 | CA2087535A1 Streptogramines derivatives and their preparation |
| 01/20/1992 | CA2086545A1 Oxazolyl derivatives |
| 01/20/1992 | CA2047300A1 Prevention of oxidation in petrochemical extraction solvents |
| 01/18/1992 | CA2044504A1 Hindered amine light stabilizer hydrazides |
| 01/17/1992 | WO1992001693A1 Method for the preparation of sulphinyl pristinamycin ii¿b? |
| 01/15/1992 | EP0466365A2 Novel immunosuppressant fermentation products of a microorganism |
| 01/15/1992 | EP0466131A2 Pyranobenzoxadiazole derivatives |
| 01/14/1992 | US5081296 Bis(β-hydroxyethylthio)-C1 -C4 -alkylamines |
| 01/14/1992 | US5081197 Oligo(2-alkenyl azlactones) |
| 01/14/1992 | US5080899 Method of treating pulmonary inflammation |
| 01/14/1992 | CA1294281C Specific 5-ht--antagonists |
| 01/11/1992 | CA2046730A1 Pyranobenzoxadiazole derivatives |
| 01/09/1992 | WO1992000314A1 Tricyclo compounds, a process for their production and a pharmaceutical composition containing the same |
| 01/09/1992 | WO1992000313A1 Tricyclo compounds, a process for their production and a pharmaceutical composition containing the same |
| 01/09/1992 | DE4021404A1 New tri:cyclic hetero atom contg. cpds. for arthritis treatment - have immunosuppressive and antiinflammatory activity for treatment of skin disorders e.g. psoriasis and dermatitis and auto-immune disease |
| 01/08/1992 | EP0465426A1 Heteroatoms-containing tricyclic compounds |
| 01/08/1992 | EP0464895A2 Process for selectively acylating immunomycin |
| 01/07/1992 | US5079357 Derivatives of penem |
| 01/07/1992 | US5079255 Thiazolo [4,5-6] pyridine derivatives and anti-ulcerative composition containing same |
| 01/07/1992 | US5079250 Tricyclic heterocyclic diols and their preparation and use |
| 01/04/1992 | CA2046040A1 Immunosuppressant fermentation products of a microorganism |
| 01/03/1992 | CA2045989A1 Heteroatoms-containing tricyclic compounds |
| 01/02/1992 | EP0463970A1 Oxazolo pyridine derivatives, process for their preparation and pharmaceutical compositions containing them |
| 01/02/1992 | EP0463690A1 Antagonists of immunosuppressive macrolides |
| 01/02/1992 | EP0463520A1 2-(4-Alkenylphenyl)-5-oxazolones and polymers thereof |
| 01/02/1992 | EP0463444A1 Dicarboxylic acid imides as herbicides |
| 01/02/1992 | DE4020072A1 New oxazole di:carboximide derivs. - useful as herbicides and plant growth regulators |
| 12/31/1991 | US5077408 Process for the synthesis of oxazolopyridine compounds |
| 12/31/1991 | CA1293726C Chloromethyl heterocyclics |
| 12/31/1991 | CA1293723C 1,2,4-oxadiazolyl derivatives of imidazo-: benzazepine, benzodiazepine, benzoxazepine and benzothiazepine |
| 12/30/1991 | WO1992000302A1 Pure crystalline form of rifapentine |
| 12/30/1991 | CA2045849A1 Oxazolopyridines derivatives, their preparation process and pharmaceutical compositions containing them |
| 12/30/1991 | CA2042514A1 2-(4-alkenylphenyl)-5-oxazolones and polymers thereof |
| 12/27/1991 | EP0462928A2 Indolinimin dyes |
| 12/27/1991 | EP0462813A2 Bicyclic pyran derivatives and their use as inhibitors of 5-lipoxygenase |
| 12/26/1991 | WO1991019495A1 Use of a macrolide compound such as fk 506 for manufacturing a medicament for treating idiopathic thrombocytopenic purpura and basedow's disease |
| 12/26/1991 | CA2045421A1 Process for selectively acylating immunomycin |
| 12/26/1991 | CA2044846A1 Antagonists of immunosuppressive macrolides |
| 12/25/1991 | CN1057262A Cyclic amide derivatives |
| 12/25/1991 | CN1057260A Anti-viral compounds |
| 12/24/1991 | US5075436 Chiral 1-β-methyl-carbapenem intermediates |
| 12/24/1991 | US5075435 Beta-lactams and their production via stereospecific hydrogenation |
| 12/24/1991 | US5075310 Pyrimidone derivatives as bronchodilators |
| 12/24/1991 | US5075306 Thiazoloquinoxalines |
| 12/24/1991 | US5075296 Antitumor agents |
| 12/24/1991 | CA1293503C Substituted benzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the same |
| 12/22/1991 | CA2044219A1 Bicyclic heterocyclic compounds |
| 12/17/1991 | US5073560 Spiro-isoxazolidine derivatives as cholinergic agents |
| 12/17/1991 | US5073501 Method for determining the concentration of cations in a sample |
| 12/17/1991 | CA1293248C2 1,2,8,8a-tetrahydrocyclopropa¬c|pyrrolo(3,2-e)- indol-4(5h)-ones and related compounds |