Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › 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
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)
01/1991
01/02/1991EP0405602A1 New Zinc derivatives of anti-inflammatory drugs having improved therapeutic activity
01/02/1991EP0405217A1 2-Isocephems and 2-oxa-isocephems, process for their preparation and their application as and in medicines
01/02/1991EP0405151A1 Antibiotic LL-E19085
01/02/1991CN1048218A Substituted isoxazolidines and isoxazolines
01/02/1991CA1278573C Dihydropyridines
01/02/1991CA1278568C Salts of amino-beta-lactamic acids and process for the preparation thereof
01/01/1991US4981864 Method for inhibition of erythrocyte aggregation using anellated tricyclic compounds
01/01/1991US4981850 Triazolo[1,5-c]pyrimido[1,4]azines as bronchodilators
01/01/1991US4981847 Tricyclic compounds
01/01/1991US4981792 Immunosuppressant compound
12/1990
12/31/1990CA2020072A1 Synthetic process for fk-506 type macrolide intermediates
12/30/1990CA2020006A1 Azole derivatives and anti-ulcerative composition containing same
12/27/1990WO1991000273A1 New cyclic anthranilic acid derivative and method of producing the same
12/27/1990CA2035461A1 Cyclic anthranilic acid derivatives and process of preparing the same
12/27/1990CA1278298C2 Process and intermediates for preparing trans-4-substituted-s-prolines
12/27/1990CA1278296C2 Process and intermediates for preparing trans-4-substituted-s-prolines
12/26/1990CN1048033A Indole derivatives and the prepn.
12/25/1990US4980468 Antiarrhythmic agents
12/19/1990EP0403261A2 Amide derivatives
12/19/1990EP0403242A1 New L-683,590 microbial transformation product
12/19/1990EP0402931A1 Heteroatoms-containing tricyclic compounds
12/19/1990EP0402889A2 Polymeric polyalkyl-1-oxadiazaspirodecanes
12/18/1990US4978757 1,2,8,8a-tetrahydrocyclopropa (C) pyrrolo [3,2-e)]-indol-4(5H)-ones and related compounds
12/18/1990US4978661 Use of 6-halo-4-quinolone compounds and pharmaceutical compositions thereof for the preparation of a medicament for the therapeutical application in rheumatoid arthritis
12/18/1990US4978656 Parasiticides
12/18/1990CA1277983C Process for the preparation of aromatic-1,4- oxazepinones and thiones
12/16/1990CA2019119A1 Polymeric polyalkyl-l-oxa-diazaspirodecanes
12/15/1990WO1990015805A1 Heteroatoms-containing tricyclic compounds
12/15/1990CA2032159A1 Heteroatoms-containing tricyclic compounds
12/14/1990CA2060309A1 Inhibition of interleukin-1 and tumor necrosis factor production by monocytes and/or macrophages
12/13/1990WO1990015047A1 Therapeutically useful 2-aminotetralin derivatives
12/13/1990WO1990014826A1 Macrolides for the treatment of reversible obstructive airways diseases
12/13/1990CA2018710A1 L-683,590 microbial transformation product
12/12/1990EP0402228A2 Indolino-spiro-oxazine photochromic compounds having a five-membered ring, process for their preparation and photochromic compositions and materials containing them
12/12/1990EP0401929A2 Method of preparing N-oxotetrahydro- -carbolines
12/12/1990EP0401779A1 4,5,5a,6-Tetrahydro-3H-isoxazolo (5,4,3-kl)acridines derivatives, a process for their preparation and their use as medicaments
12/12/1990EP0401747A2 Use of rapamycin and derivatives and prodrugs thereof in the manufacture of a medicament for inhibiting transplant rejection in mammals
12/12/1990EP0401707A1 Heterocyclic triazin or triazolo compounds having serotonin 2-receptor antagonistic activity
12/12/1990EP0401623A1 Process for the preparation of 7-(3-amino- and 3-aminomethyl-1-pyrrolidinyl)-3-quinolinonecarboxylic and -naphthyridinonecarboxylic acids
12/12/1990EP0401582A1 Quinoline derivatives condensed with five-membered heterocyclic rings
12/11/1990US4977265 Quinoline derivatives
12/11/1990US4977263 Process for preparing 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials
12/11/1990US4977258 Benzoxazepinone process
12/11/1990US4977161 Isoxazolopyridine type mevalonolactones
12/11/1990US4977160 Dopamine agonists; parkinson*s disease
12/11/1990US4977155 Nervous system disorders
12/11/1990US4977141 Renin inhibitors
12/10/1990WO1990015058A1 Heterocyclic amines having central nervous system activity
12/08/1990CA2018253A1 Method of preparing n-oxo-tetrahydro-.beta.-carbolines
12/06/1990DE3917883A1 New imidazo- and oxazolo-quinoline derivs. - useful as herbicides selective towards cultivated plants
12/05/1990EP0401030A2 Angiotensin II antagonists
12/05/1990EP0400429A2 Process for the preparation of triphendioxazines
12/05/1990CA2018220A1 Heterocyclic compound having serotonine 2-receptor antagonistic activity
12/04/1990US4975372 Culturing actinomycetes in presence of 1-683,590 under aerobic fermentation
12/04/1990CA1277174C Feed additive for improving growth in agricultural animals
12/01/1990CA2018103A1 Angiotensin ii antagonists
12/01/1990CA2017800A1 Derivatives of quinoline fused to a five-membered heterocyclic ring
11/1990
11/28/1990EP0399579A1 Macrolides having immunosuppressive activity
11/27/1990US4973693 Antitumor agents, microbiocides, chemical intermediates
11/25/1990WO1990014342A1 Substituted isoxazolidines and isoxazolines
11/21/1990CN1047079A Fungicidal oxazolidinones
11/20/1990CA1276642C Furobenzisoxazole derivatives
11/14/1990EP0397210A1 Indole derivative and method of production thereof
11/13/1990US4970314 Selective bromination with bromine in hydrogen bromide and halogenated hydrocarbon presence
11/13/1990US4970208 Feed additive for improving growth in agricultural animals
11/07/1990EP0396400A1 Microbial transformation product
11/07/1990EP0396399A1 FK-520 Microbial transformation product
11/07/1990CN1010312B Pyridonecarboxylic acid derivatives and process for preparing same
11/06/1990US4968702 Substituted quinolinecarboxylic acids
11/06/1990US4968341 Substituted aryloxyureas, processes for production thereof and uses thereof
11/06/1990CA1276021C Substituted diazaoxaspirodecanes, preparation thereof and use thereof as stabilizers for polymers
11/05/1990CA2016084A1 New microbial transformation product
11/05/1990CA2016082A1 New fk-520 microbial transformation product
11/01/1990WO1990012799A1 Antibacterial pyrido(1,2,3-de)-1,4-benzoxazinone agents
11/01/1990WO1990012791A1 Fungicidal oxazolidinones
10/1990
10/31/1990EP0395580A2 Process for the preparation of polycyclic compounds
10/31/1990EP0395219A2 Cephalosporins and their homologues, process for their preparation and pharmaceutical compositions
10/30/1990US4966723 Comprising surfactants, precursor of peroxy compound, bleach activator, suds suppressing agent, and detergent builder; bleaching at low temperatures
10/30/1990CA1275651C Intermediates for the production of epipodophyllotoxin and related compounds and processes for the preparation and use thereof
10/24/1990EP0393911A1 Fungicidal oxazolidinones
10/24/1990EP0393738A1 Hydroxyalkylfuranyl derivatives
10/24/1990EP0393400A1 Novel quinolone derivatives, preparation processes thereof, and antibacterial agents containing the same
10/23/1990US4965369 Reacting aniline derivative with nitrite in acid medium; reduction with zinc; cyclizayion with pyruvic ester
10/23/1990US4965262 Administering ofloxacin
10/23/1990US4965261 Substituted benzoxazinorifamycin derivative and antibacterial agent containing the same
10/23/1990CA1275411C Heterocyclic compounds and their preparation and use
10/21/1990CA2015098A1 Preparative process for 3-amino-2-thioxo-oxazolidin-4-ones
10/21/1990CA2015097A1 Fungicidal oxazolidinones
10/21/1990CA2014841A1 Macrolides having immunosuppressive activity
10/18/1990WO1990011763A1 N-ALKENYLBENZO[b]THIENO[3,2-b]OXAZIN-2,4-DIONES
10/17/1990EP0392745A2 Immunoconjugates and prodrugs and their use in association for drug delivery
10/17/1990CN1046162A 5-alkylquinolonecarboxylic acids
10/17/1990CN1046161A Hydroxyalkylfuranyl derivatives
10/10/1990EP0391766A1 Macrocyclic nitrogen ligands, method of preparation, metal complexes formed by the ligands, diagnostic and therapeutic compositions containing them
10/10/1990EP0391732A1 N-alkenylbenzo[b]thieno [3,2-b]oxazin-2,4-diones
10/10/1990EP0391132A1 5-Alkylquinolinone carboxylic acids
10/10/1990EP0390869A1 Organic photochromic pigment
10/10/1990CN1045976A New substituted alkylamide derivatives of teicoplanin
10/10/1990CN1045971A Quinolone derivatives, prepn. processes thereof, and antibacterial agents containing the same
10/09/1990US4962202 Mercapto-bicycloheterocyclics useful as intermediates for penem derivatives
1 ... 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 ... 220