| Patents for C07D 487 - Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups (57,272) |
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| 03/26/1991 | CA1282069C Antibody complexes of hapten-modified diagnostic or therapeutic agents |
| 03/22/1991 | CA2025830A1 Pyrrolopyrimidines, their production and use |
| 03/20/1991 | WO1991004254A1 PYRROLO[2,3-d]PYRIMIDINE DERIVATIVE, PROCESS FOR PREPARING THE SAME, AND PHARMACEUTICAL PREPARATION COMPRISING THE DERIVATIVE AS ACTIVE INGREDIENT |
| 03/20/1991 | EP0417840A1 Antiviral tetrahydroimidazo [1,4]-benzodiazepines |
| 03/20/1991 | EP0417790A2 S-triazolo[3,4-i]purine derivatives |
| 03/20/1991 | EP0417746A2 N-Azabicyclo/3.3.0/octane amides of aromatic acids |
| 03/20/1991 | EP0417631A2 Condensed diazepinones, process for their preparation, and medicaments containing these compounds |
| 03/20/1991 | EP0417630A2 Condensed diazepinones, process for their preparation, and medicaments containing these compounds |
| 03/20/1991 | CN1012064B Preparation of quinoline carboxylic acid |
| 03/19/1991 | US5001156 Lipophilic quaternary ammonium salicylates, their use in cosmetics and in dermopharmacy |
| 03/19/1991 | US5001133 Benzoic acid derivatives |
| 03/19/1991 | US5001127 4-substituted pyrazolo[3,4-d]pyrimidine derivatives |
| 03/19/1991 | US5001122 Use of diazepinones for treating disorders of the microcirculation |
| 03/14/1991 | WO1991004255A1 Antiviral tetrahydroimidazo[1,4]benzodiazepines |
| 03/14/1991 | CA2064782A1 Antiviral tetrahydroimidazol [1,4] benzodiazepines |
| 03/13/1991 | EP0417060A2 Bicyclic tetrahydroxypyrrolizidine |
| 03/13/1991 | EP0417059A2 Bicyclic tetrahydroxylated pyrrolizidines |
| 03/13/1991 | EP0417027A1 Tetracyclic imidazoquinazoline derivatives, process for their preparation and pharmaceutical compositions containing them |
| 03/13/1991 | EP0416953A2 10-(1-Hydroxyethyl)-11-oxo-1-azatricyclo[7.2.0.0.3,8]undec-2-ene-2-carboxylic acid derivatives |
| 03/13/1991 | EP0416952A2 4-(1'-Oxocyclohex-2'-yl)azetidin-2-one derivatives |
| 03/13/1991 | EP0416675A1 High stability pigments belonging to the 1,4-diketone pyrrole-[3,4-C]-pyrroles and new pyrrole-[3,4-C]-pyrroles series, suitable for the purpose |
| 03/13/1991 | EP0416632A2 Organic nonlinear optical material |
| 03/13/1991 | EP0415963A1 Use of metal chelate complexes in dehalogenation |
| 03/12/1991 | US4999435 Cationic Surfactants, Drugs, Immunoassay |
| 03/12/1991 | US4999370 Compounds with a psychotropic action, agents containing them, and the use thereof for the treatment and prophylaxis of disorders of the central nervous system |
| 03/12/1991 | US4999354 Imidazoquinoxaline compounds and their preparation and use |
| 03/12/1991 | US4999353 Anticonvulsant and Anxiolytic Agents |
| 03/12/1991 | CA2025006A1 Condensed diazepinones, processes for their preparation and medicaments containing these compounds |
| 03/12/1991 | CA2025005A1 Condensed diazepinones, process for preparing them and pharmaceutical compositions containing these compounds |
| 03/12/1991 | CA1281494C Reaction product of olefinically unsaturated compounds with compounds containing active hydrogen, processes for their preparation and 2-component lacquers based thereon |
| 03/12/1991 | CA1281322C Substituted pyrimidoindoles |
| 03/09/1991 | WO1991003478A1 Tetracyclic imidazoquinazoline derivatives, preparation and pharmaceutical compositions |
| 03/09/1991 | WO1991003475A1 Substituted urea compounds and their preparation and use |
| 03/09/1991 | CA2066696A1 Substituted urea compounds and their preparation and use |
| 03/09/1991 | CA2066695A1 Tetracyclic imidazoquinazoline derivatives, preparation and pharmaceutical compositions |
| 03/09/1991 | CA2024841A1 Bicyclic tetrahydroxypyrrolizidine |
| 03/09/1991 | CA2024840A1 Bicyclic tetrahydroxylated pyrrolizidines |
| 03/07/1991 | WO1991002526A1 Azabicyclo quinolone carboxylic acids |
| 03/06/1991 | EP0415886A2 Aza compounds |
| 03/06/1991 | EP0415566A1 Heterocyclic compounds, processes for producing them and pharmaceutical compositions comprising them |
| 03/06/1991 | EP0415030A2 1-Substituted-1,2-dihydro-4-[(substituted)-phenyl]imidazo-[1,5-A]pyrimidine-8-carbonitriles |
| 03/06/1991 | CN1049664A Salts of optically active 4-hydroxy-8-(3-lower alkoxy-4-phenylsulfinylphenyl) pyrazolo (1,5-a)-1,3,5-triazines |
| 03/05/1991 | US4997985 Alpha amino acid amide compounds which are useful intermediates in the preparation of herbicides |
| 03/05/1991 | US4997940 Herbicides |
| 03/05/1991 | US4997924 5'-deoxy-4',5'-unsaturated-5'-substituted adenosines |
| 03/05/1991 | US4997838 Antitumor agents |
| 03/05/1991 | US4997832 Learning enhancement |
| 03/05/1991 | US4997831 Lactam derivatives |
| 03/05/1991 | US4997645 Administering interferon and dipyridamole |
| 03/05/1991 | CA2023146A1 High stability pigments belonging to the 1,4-diketone pyrrole-¬3,4-c|-pyrroles and new pyrrole-¬3,4-c|-pyrroles series, suitable for the purpose |
| 03/01/1991 | CA2024137A1 Aza compounds |
| 03/01/1991 | CA2024011A1 1-substituted-1,2-dihydro-4-[(substituted)-phenyl]imidazo-[ 1,5-a]pyrimidine-8-carbonitriles |
| 02/27/1991 | EP0414394A2 Azabicyclic Derivatives having muscarinic receptor affinity |
| 02/27/1991 | EP0414386A1 Condensed pyrimidine derivates |
| 02/27/1991 | EP0414200A2 Salts of optically active 4-hydroxy-8-(3-lower alkoxy-4-phenylsulfinylphenyl)pyrazolo [1,5-a]-1,3,5-triazines and a process for production thereof |
| 02/27/1991 | CN1049501A Azabicyclo quinolone carboxylic acids |
| 02/26/1991 | US4996319 -2-Amino-4,6-dichloro-5-(2-cyanomethyl-2-amino-5(cyanomethyl)-4,6-dichloro pyrimidine |
| 02/26/1991 | US4996312 Porphyrin derivatives, and their production and use |
| 02/26/1991 | US4996311 Crystal structure, stability |
| 02/26/1991 | US4996308 Derivatives with unsaturated substitutions for the 5'-hydroxymethyl group |
| 02/26/1991 | US4996223 New organic compounds having opioid properties |
| 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 | US4996206 Antitumor agent |
| 02/26/1991 | US4996200 Suppression of transaminases in serum |
| 02/26/1991 | US4995899 Optically active diazabicycloalkane derivatives and their use for protecting crops from the phytotoxic effect of herbicides |
| 02/26/1991 | CA1280749C Phenothiazine compounds |
| 02/26/1991 | CA1280747C Diaminopyrimido¬4,5-d|pyrimidine glycoside and glycotide and process |
| 02/21/1991 | WO1991001984A1 PYRAZOLO(1,5-a)BENZIMIDAZOLE COUPLERS |
| 02/20/1991 | EP0413455A2 Azabicyclo quinolone carboxylic acids |
| 02/20/1991 | EP0413278A2 Use of xanthine derivatives against peptic ulcers |
| 02/20/1991 | EP0413191A1 1-(Pyridinylamino)-2-pyrrolidinones, a process for their preparation and their use as medicaments |
| 02/20/1991 | EP0413020A1 Pyrazolotriazoles and processes for their formation |
| 02/19/1991 | US4994578 Certain anti-tumor duocarmycin antibiotics from streptomyces |
| 02/19/1991 | US4994472 1-(pyridinylamino)-2-pyrrolidinones as pain relievers |
| 02/19/1991 | US4994460 Treatment or prevention of disorders resulting from central nervous system anoxia |
| 02/19/1991 | US4994455 Anti-anxiety agents |
| 02/19/1991 | CA1280423C Process for the preparation of dihydro-1h-pyrrolizine- 3,5-(2h,6h)-dione |
| 02/17/1991 | CA2023310A1 Therapeutic agents for the treatment of peptic ulcer disease |
| 02/13/1991 | EP0412798A2 Substituted pyridines, their preparation, formulations and use in dementia |
| 02/13/1991 | EP0412797A2 The therapeutic use of substituted benzenes, formulations thereof and novel substituted benzenes |
| 02/13/1991 | EP0412470A2 Benzo[b]pyrrolo[3,2,1-jk]benzodiazepines, a process and intermediates for their preparation and their use as medicaments |
| 02/13/1991 | CN1049161A Heterocyclic compound having serotonine 2-receptor antagonistic activity |
| 02/13/1991 | CN1049120A Process for producing synthetic materials |
| 02/13/1991 | CN1011571B Method of preparing for curing tumors |
| 02/12/1991 | US4992546 Process for preparing 6,8-diazabicyclo[3.2.2]nonane derivatives |
| 02/12/1991 | US4992461 N-azabicyclo(3.3.0)octane amides of aromatic acids, compositions, and methods of use thereof |
| 02/12/1991 | US4992460 Bicyclic tetrahydroxylated pyrrolizidines |
| 02/12/1991 | US4992442 Bronchodilator agents |
| 02/12/1991 | US4992361 Photographic silver halide materials and process comprising a pyrazolotriazole coupler |
| 02/12/1991 | US4992257 Dihydroporphyrins and method of treating tumors |
| 02/12/1991 | US4992091 Substituted pyrazolo[1,5-a]pyrimidine-2-sulfonamides and compositions and methods of controlling undesired vegetation |
| 02/11/1991 | WO1991001985A1 Substituted phenyl meso-tetraphenyl porphyrins |
| 02/11/1991 | CA2039144A1 Subsituted phenylated meso-tetraphenyl porphyrins |
| 02/09/1991 | CA2022886A1 Substituted pyridines, their preparation, formulations and use in dementia |
| 02/07/1991 | WO1991001325A1 Nucleoside derivatives and their use as medicaments |
| 02/07/1991 | CA2064024A1 Nucleoside derivatives and their use as medicaments |
| 02/06/1991 | EP0411901A2 Treatment of conditions involving excessive eating |
| 02/06/1991 | EP0411754A2 Medicament for the inhibition of interleukin-1 or tumor necrosis factor production by monocytes and/or macrophages |
| 02/06/1991 | EP0411664A2 2-(2-Vinylpyrrolidinylthio)carbapenem derivatives |
| 02/06/1991 | CA2022633A1 Compounds |