Patents
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)
02/1990
02/06/1990US4898944 Precursors for the preparation of water-soluble triphendioxazine dyestuffs
02/06/1990US4898859 2-Oxa-isocephem compounds and compositions containing same
02/06/1990CA1265525A1 Process and intermediates for preparing trans-4- substituted-s-prolines
01/1990
01/31/1990EP0353123A1 Ureic 2,4,6-triamino-pyrimidine-3-oxide derivatives, their preparation and their cosmetical and dermapharmaceutical use
01/31/1990EP0352682A2 Twice reactive dyes and benzyl compounds as their intermediary products
01/31/1990EP0352299A1 Rubradirin derivatives for treatment of hiv infection
01/25/1990WO1990000553A1 Rifapentine hydrohalides
01/25/1990WO1990000549A1 Immunosuppressive agents
01/24/1990EP0352218A2 Macrocyclic polyaza compounds containing rings with 5 or 6 members, methods for their preparation and pharmaceutical compositions containing same
01/23/1990US4895954 Precursors for synthesis of triphendioxazine dyestuffs
01/23/1990US4895944 Benzoxazine intermediates
01/17/1990EP0350733A2 7-(1-Pyrrolidinyl)-3-quinolone- and -naphthyridone-carboxylic-acid derivatives, method for their preparation and for substituted mono- and bi-cyclic pyrrolidine intermediates, and their antibacterial and feed additive compositions
01/16/1990US4894374 Antiinflammatory agents, enzyme tissue destruction, interleukin inhibitors
01/16/1990US4894366 Autoimmune disease, infections, microbiocides
01/10/1990EP0350445A1 Substituted azacyclohexyl derivatives
01/10/1990EP0350210A2 Novel 6-amido-1-methyl-2-(substituted-thio)-carbapenems
01/10/1990EP0350130A2 New substituted 1,7-annelated 1H-indazoles
01/10/1990EP0350118A2 Spiro-azabicyclic muscarinic agonists
01/10/1990EP0350051A1 Thaz derivatives for enhancemet of cerebral function
01/10/1990EP0350009A1 Photochromic compound and photochromic composition
01/10/1990EP0349941A2 Morpholino derivatives of rhodomycins, process for their preparation and their use
01/09/1990US4892872 Benzoxazine compounds and pharmaceutical use thereof
01/03/1990EP0349239A2 Condensed pyrimidine derivatives, process and intermediates for their preparation and pharmaceutical compositions containing them
01/03/1990EP0349061A2 Immunosuppressant agent
01/03/1990EP0349049A2 Immunosuppressant compound
01/03/1990EP0348872A1 Fused dihydroxyquinoxalines and their use as glutamate antagonists
12/1989
12/27/1989EP0347980A1 8,9-Annelated beta-carbolines and 8,9-anelated-3,4-dihydro-beta-carbolines
12/20/1989CN1038101A New technology for water extraction of refamycin
12/19/1989US4888050 Grass control
12/14/1989WO1989012046A1 Monomers, oligomers, and polymers of biscyclobutarenes bridged by at least one benzoxazole, benzothiazole or benzimidazole linkage
12/13/1989CN1037900A Acetal copolymers with backbone isocyanate functional groups
12/12/1989US4886884 Effective against grampositive bacteria
12/12/1989US4886880 Process for the preparation of triphendioxazines
12/12/1989US4886797 Central nervous system disorders
12/05/1989US4885385 Intense, colorfast, blue dyes for hydroxy- or polyamido-containing fibers
11/1989
11/30/1989WO1989011482A1 Photochromic compound and articles containing the same
11/30/1989WO1989011295A1 Inhibition of lipogenesis
11/29/1989EP0344015A2 Tetracyclic ketones
11/29/1989EP0343945A2 Immunostimulating 7-deaza-7-oxa-and 7-deaza-7-thia-analogs of 8-substituted-guanine-9-(1'-beta-d-aldoglycosidyl) derivatives, compositions and methods
11/29/1989EP0343560A2 Isoindoline derivative
11/29/1989EP0343524A1 Pyridonecarboxylic acids and antibacterial agents
11/28/1989US4883874 Azabicyclic intermediates
11/21/1989US4882332 Immune suppression method employing arly-substituted naphthyridine and pyridopyrazine derivatives
11/21/1989CA1263117A1 Carbapenems, their production and use
11/15/1989CN1037150A Pyranobenzoxadiazole derivatives
11/14/1989US4880814 7-cycloalkyl naphthyridines
11/14/1989US4880799 Central nervous system disorders, anticonvulsants
11/14/1989CA1262900A1 Polyalkyldiazaspirodecanylacetic acid derivatives, a process for their preparation and their use as light stabilizers for organic polymers
11/08/1989EP0340926A2 Acetal copolymers with backbone isocyanate functional groups
11/08/1989EP0244398B1 Substituted 4-benzyl-piperazinyl compounds
11/07/1989US4879386 Anti-tumor DC-52 compounds
11/02/1989WO1989010364A1 Dibenzofurancarboxamides
11/02/1989WO1989010363A1 Fused polycyclic compounds, compositions, methods of manufacture and their use as paf antagonists, antihistamines and/or antiinflammatory agents
11/02/1989EP0339978A1 Fused polycyclic compounds, compositions, methods of manufacture, and their use as PAF antagonists, antihistamines and/or antiinflammatory agents
11/02/1989EP0339950A2 Dibenzofurancarboxamides, their use as pharmaceutical agents, a composition containing the same, and a process for the preparation thereof
11/02/1989EP0339661A2 Photochromic substances
11/02/1989EP0339105A1 Nitrogen-containing heterocyclic compounds and compositions for controlling and/or preventing pests and blights (diseases)
11/01/1989CN1036789A Bleach activators in detergent compositions
11/01/1989CN1036769A Process for preparation of cephem derivatives and intermediates therefor
10/1989
10/31/1989US4877882 Process for the preparation of D-(+)-biotin
10/31/1989US4877785 Renin inhibitors
10/31/1989US4877776 K-252 compounds
10/25/1989CN1036576A Substituted benzoxazine rifamycin, process for same and antibiofic preparation containing same
10/24/1989US4876342 Oxazine compounds substituted by one or more basic groups and preparation thereof
10/24/1989US4876263 Pesticidal nitro-substituted heterocyclic compounds
10/24/1989US4876258 Rifamycin bactericide, viricide
10/18/1989EP0337547A1 Spirocyclic compounds incorporating five-membered rings with two heteroatoms
10/18/1989EP0337328A2 Use of ofloxacin or a salt thereof for preparing a topical preparation for treating otopathy
10/17/1989CA1262350A1 Embonates of quinolonecarboxylic acids and of their derivatives
10/17/1989CA1262349A1 Pyridonecarboxylic acid derivatives and process for their preparation
10/10/1989US4873324 Process for chiral synthesis of 1-beta-methyl-carbapenem intermediates
10/10/1989US4873234 Analgesics
10/10/1989CA1262249A1 Substituted dihydroquinolone carboxylic acids and anti-bacterial compositions containing them
09/1989
09/27/1989EP0334289A1 Heterocyclic substituted 5,7-dihydropyrrolo (3,2-f) benzoxazol-6-ones, process for their preparation and drugs containing same
09/26/1989US4870073 Central nervous system disorders, anthelmintics, parasiticides, insecticides
09/26/1989CA1261834A1 1-4-diaza-phenothiazine analogous compounds as 5- lipoxygenase inhibitors
09/26/1989CA1261754A1 Pharmaceutical compositions containing azanaphthalenes
09/26/1989CA1261326A1 Process for the manufacture of spiro-linked pyrrolidine-2,5 diones
09/26/1989CA1261325A1 Process for the manufacture of spiro-linked pyrrolidine-2,5-diones derivatives
09/26/1989CA1260934A1 Purine derivatives
09/26/1989CA1260474A1 Benzoxazol- and benzothiazolamine derivatives
09/26/1989CA1259989A2 Fluoromethylthiooxacephalosporins
09/21/1989WO1989008654A1 Pyrroloquinoline and pyrrolophenothiazine carboxamides and related compounds
09/20/1989EP0333176A2 Substituted benzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the same
09/20/1989EP0333154A2 Process for the preparation of cephem derivatives and intermediates therefor
09/19/1989CA1259606A1 Cephem derivatives and processes for their manufacture
09/13/1989EP0332364A2 Pyrroloquinoline and pyrrolophenothiazine carboxamides and related compounds
09/13/1989EP0332294A2 Bleach activators in detergent compositions
09/12/1989US4866189 Antitumor, anticancer agent
09/12/1989US4866172 Pristinamycin process
09/12/1989US4866074 Naphtheridinone- and pyridooxazinone-pyridone compounds, cardiotonic compositions including same, and their uses
09/12/1989US4866069 Substance 4181-2 and its derivatives having anti-leukemia activity
09/12/1989US4866066 Thiomethylpyridine derivatives and their use for eliciting a bronchosecretolytic or mucolytic response
09/12/1989US4866061 Aryl-substituted naphthyridine and pyridopyrazine derivatives
09/12/1989US4866056 Anthelmintics
09/12/1989US4865764 5-aryl-11-substituted-5H,11H-pyrrolo[2,1-][1,4]benzoxazepines as hypotensive agents
09/05/1989US4864028 Antidiabetic agents
09/05/1989US4864023 Microbiocides, bactericides
09/05/1989US4864022 7-(2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(alkyl) oxyiminoacetamido) substituted
09/05/1989US4864010 Monomers, oligomers, and polymers of biscyclobutarenes bridged by at least one benzoxazole linkage