| 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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| 06/28/1988 | US4753950 Fused heterocyclic tetrahydroaminoquinolinols and related compounds |
| 06/22/1988 | EP0271808A2 Novel epoxy hardeners |
| 06/21/1988 | CA1238320A1 Derivatives of benzoxazepine and benzazepine having anthelmintic activity |
| 06/15/1988 | EP0270904A2 Process for the preparation of quinoloncarboxylate esters |
| 06/15/1988 | EP0270683A1 Aryloxyureas, process for their preparation, and their use |
| 06/15/1988 | CN87106996A Quinolyl compound, process for preparing them and anticarcinogen using them as active pharmaceutical composition |
| 06/14/1988 | US4751300 Heating dichloro-bis(alkyl-3-carbazolylamino)-1,4-benzoquinone in presence of acid |
| 06/14/1988 | US4750931 Certain 3,5-disubstituted-2-pyridyloxy-fluorophenoxy-alkanoic acids, derivatives thereof and herbicidal properties |
| 06/07/1988 | US4749789 Process for the manufacture of spiro-linked pyrrolidine 2,5-diones |
| 06/07/1988 | US4749702 Antidepressive substituted N-[(4-piperidinyl)alkyl] bicyclic condensed oxazol- and thiazolamines |
| 06/07/1988 | US4749699 5-lipoxygenease inhibitors |
| 06/07/1988 | US4749403 Herbicidal derivatives of imidazolidinone and imidazolidine thione |
| 05/31/1988 | US4748280 Certain chlorination process for preparing 2-chloro-1,1,1-(C1 -C6) |
| 05/31/1988 | US4748240 Psychotropic bicyclic imides |
| 05/31/1988 | US4748175 Pyrimido[5,4-B][1,4]oxazine derivatives and pharmaceutical compositions containing them |
| 05/31/1988 | US4748172 3-bicyclicpyridinium-methyl cephalosporins |
| 05/26/1988 | DE3739415A1 Azaindoline-spirooxazine compounds |
| 05/25/1988 | EP0268223A2 Optically active gyrase inhibitors, their preparation and use as antibiotics |
| 05/25/1988 | EP0267976A1 An improved process for the preparation of bicyclic amide acetals |
| 05/24/1988 | US4746677 Nematocides |
| 05/24/1988 | US4746655 Fused aromatic-spiropiperidine oxazepinones(and thiones) |
| 05/17/1988 | US4745192 Light stabilizers for polymers |
| 05/17/1988 | CA1236833A1 2h-¬1|benzoxepino¬5,4-b|1,4-oxazine derivatives |
| 05/11/1988 | CN87106838A 三环化合物 Tricyclic compounds |
| 05/10/1988 | US4743700 Process for fluorinating 1-phenyl-2-amino-1,3-propanediol compounds |
| 05/10/1988 | US4743619 Method of treating hepatitis |
| 05/10/1988 | US4743601 Dihydro-1,4-oxazino(2,3-C)quinolines |
| 05/10/1988 | US4743555 Tetracyclo compound, antitumor, antimicrobial |
| 05/03/1988 | CA1236100A1 2h-¬1|benzoxepino¬5,4-b|-1,4-oxazine derivatives |
| 05/03/1988 | CA1236099A1 Fluoromethylthiooxacephalosporins |
| 04/28/1988 | DE3636386A1 Nucleoside-analogous compounds having antiviral activity, processes for their preparation and medicaments having antiviral action |
| 04/27/1988 | EP0265230A1 Substituted-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acids, derivatives thereof, pharmaceutical compositions comprising the compounds, and processes for producing the compounds |
| 04/27/1988 | EP0265169A1 Oxadiazines & related compounds |
| 04/20/1988 | EP0264124A1 Quinoline base compound, process for the preparation thereof and anticancer agent containing the same as pharmacologically efficacious component |
| 04/13/1988 | EP0263352A1 Imidazo-benzoxazinones, their preparation and medicaments containing these compounds |
| 04/12/1988 | US4737499 Cognition activators hypotensive agents |
| 04/07/1988 | WO1988002371A1 Photochromic spiro(indoline) benzoxazines and articles containing the same |
| 04/07/1988 | WO1988002370A1 2-substituted-e-fused-[1,2,4]triazolo[1,5-c]pyrimidines pharmaceutical compositions and uses thereof |
| 04/07/1988 | WO1988002369A1 Dc-52 type oncostatic compound |
| 04/06/1988 | EP0263071A1 2-Substituted-e-fused-[1,2,4]-triazolo[1,5-c] pyrimidines, pharmaceutical compositions, and uses thereof |
| 04/06/1988 | EP0262984A1 Antitumor compounds |
| 04/05/1988 | US4735956 Certain 1,4-dihydro-2,6-di-lower hydrocarbyl-4-heterocyclic-3,5-pyridine dicarboxylates which are useful as calcium channel blockers |
| 04/05/1988 | CA1234809A1 Fused aromatic oxazepinones and sulfur analogs thereof in a method of counteracting histamine |
| 03/29/1988 | US4734497 Intermediates for process for chiral synthesis of 1-β-methyl-carbapenem intermediates |
| 03/23/1988 | EP0260642A2 Thiazolo [f]-fused hexahydroquinoline derivatives as dopaminergic agents |
| 03/22/1988 | US4732987 Multistage porcess for production of biotin |
| 03/22/1988 | US4732906 Dioxolobenzizoxazole derivatives |
| 03/16/1988 | EP0259804A2 Pyrido[3,2,1-ij]-1,3,4-benzoxadiazine derivatives, process for their preparation, resulting pharmaceutical preparations and intermediates for use in the process |
| 03/16/1988 | EP0259496A1 Derivatives of cervinomycin antibiotics and process for their preparation |
| 03/09/1988 | EP0258686A1 Water soluble triphendioxazine compounds, process for their preparation and their use as dyestuffs |
| 03/09/1988 | EP0258612A1 Intermediates for the preparation of 11-substituted 5H, 11H-pyrrolo [2,1-c][1,4] benzoxazepines, and a method for their preparation |
| 03/09/1988 | EP0258493A1 Water soluble triphene dioxazine compounds and their starting compounds containing sulfonyl groups, process for their preparation and use of the triphene dioxazines as dyestuffs |
| 03/08/1988 | US4730003 Tricyclic compounds for treating heart and circulatory diseases |
| 03/08/1988 | US4729998 Cyclic carbamates and fungicidal use |
| 03/02/1988 | EP0257334A2 Tricyclic benzotriazoles, process for their preparation and medicaments |
| 03/01/1988 | US4728740 Antineoplastic |
| 03/01/1988 | US4728651 Systemic or ocular |
| 03/01/1988 | US4728646 2-(perhydro-1,4-diazino)-pyrimido[5,4-d]-pyrimidines and salts thereof |
| 02/23/1988 | US4727152 Intermediates useful in the preparation of fused aromatic oxazepinones, thiazepinones, diazepinones and sulfur analogs thereof |
| 02/23/1988 | US4726837 Use of 4H-pyrido[2,3-d][1,3]oxazin-4-one derivatives for controlling undesirable plant growth |
| 02/17/1988 | CN87104870A Alkyl-substituted benzoxazinorifamycin derivative, process for preparing same and antibacterial agent containing same |
| 02/16/1988 | US4725595 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials |
| 02/03/1988 | EP0255020A2 Water soluble triphenodioxazine compounds, process for their preparation and their use as dyestuffs |
| 02/03/1988 | CN87104927A 1-hydroxy-5-oxo-5h-pyrido(3,2-a) phenoxazine-3-carboxy lic acid esters |
| 02/03/1988 | CN87104819A Process for preparing spiro-linked pyrrolidine-2,5-dione |
| 02/03/1988 | CN87104818A Process for preparing spiro-linked pyrrolidine-2,5-dione derivatives |
| 02/02/1988 | US4723010 Process for preparing chloromethyl thiazoles or oxazoles, and intermediates for use therein |
| 01/27/1988 | EP0254167A1 1-Hydroxy-5-oxo-5H-pyrido(3,2-a)-phenoxazine-3-carboxylic acid esters |
| 01/27/1988 | EP0254149A2 The process for the manufacture of spiro-linked pyrrolidine-2,5-diones |
| 01/20/1988 | EP0253340A1 Alkyl-substituted benzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the same |
| 01/20/1988 | EP0253319A2 The process for the manufacture of spiro-linked pyrrolidine-2,5-dione derivatives |
| 01/20/1988 | EP0253235A1 1,8-Bridged 4-quinolone carboxylic acids and medicaments contaning them |
| 01/20/1988 | CN87104166A Antihypertensive agent |
| 01/19/1988 | US4720587 Antitumor agents |
| 01/19/1988 | US4720547 Photochromic compound and articles containing the same |
| 01/14/1988 | WO1988000196A1 Spirooxazine compounds, photosensitive materials using them, and process for forming them |
| 01/13/1988 | EP0252720A2 Pristinamycin process |
| 01/13/1988 | CN87104651A Bcd tricyclic ergoline part-structure analogues |
| 01/12/1988 | US4719296 Photochromism |
| 01/12/1988 | US4719236 Antitumor |
| 01/12/1988 | US4719055 Phenanthrene derivatives |
| 01/12/1988 | US4719049 Anthracene derivatives |
| 01/12/1988 | US4719047 Antitumor |
| 01/07/1988 | EP0251536A1 Benzimidazoles, their production, formulation and use as gastric acid secretion inhibitors |
| 01/07/1988 | EP0251361A1 New di- and tetrahydroisoquinoline derivatives |
| 01/07/1988 | EP0250599A1 Spiropiperidinenaphtoxazine compounds |
| 12/30/1987 | CN87103516A Diels-alder adduct form streptazoline and naphthoquinones and its oxidation products, process for their preparation and their use |
| 12/29/1987 | US4716113 Process for the production of an (S)-methyl or (S)-ethyl 4-amino-6-fluorochroman-4-carboxylate |
| 12/23/1987 | EP0250179A2 BCD tricyclic ergoline part-structure analogues |
| 12/16/1987 | EP0249223A2 Novel antihypertensive agent |
| 12/09/1987 | EP0248703A1 Synergistinic derivatives, their preparation and pharmaceutical compositions containing them |
| 12/08/1987 | CA1230123A1 3-alkyl-8-chloro-5,6-dihydrofuro-¬3,2-f|-1,2- benzisoxazole-6-carboxylic acids |
| 12/08/1987 | CA1230113A1 Method for producing chemical compounds |
| 12/03/1987 | WO1987007269A1 Aryloxyureas, process for their preparation, and their use |
| 12/01/1987 | US4710504 Anti-depressant spiro hexahydro arylquinolizine derivatives, composition, and method of use therefor |
| 11/25/1987 | EP0246633A1 Trans-benzopyran-[4,3-b]-1,4-oxazine derivatives |
| 11/19/1987 | EP0246091A2 Substance 4181-2 and its derivatives |
| 11/19/1987 | EP0246068A2 Process for the manufacture of cephalosporin derivatives |
| 11/19/1987 | EP0245831A2 Diels-Alder addition compounds of streptazolin and naphthoquinones, and their oxidation products, process for their preparation, and their use |
| 11/17/1987 | US4707303 13,13-diamino-14,14-dicyanodiphenoquinonedimethane |