| 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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| 05/08/1991 | EP0426021A1 Condensed imidazole derivatives and processes for preparation thereof |
| 05/08/1991 | EP0425541A1 Pyrazolo-azolo-pyrimidine-diones |
| 05/08/1991 | DE4035595A1 8-Chloro-1-methyl-6-phenyl-triazolo (4,3-A) (1,4)benzodiazepine - in new tabular form as di:hydrate exhibiting useful water dispersibility |
| 05/08/1991 | CN1051177A Diazabicycloamine compounds and process for their preparation |
| 05/08/1991 | CN1051176A Quinolone compounds and process for their preparation |
| 05/08/1991 | CN1051174A Triazolo derivatives and process for their preparation |
| 05/08/1991 | CA2029388A1 Process for the preparation of heme/hemin |
| 05/07/1991 | US5013839 Process for optically active 2-alkyl-2,5-diazabicyclo(2.2.1) heptanes |
| 05/07/1991 | US5013805 Cured resin products |
| 05/07/1991 | US5013737 2,4,8-Trisubstituted-3H,6H-1,4,5A,8A-tetraazaacenaphtylene-3,5-(4H)-diones and 2,4-8-trisubstituted-4,5-dihydro-5-thioxo-3H,6H-1,4,5A,8A-tetrazaacenaphthylen-3-ones |
| 05/07/1991 | US5013627 Electrophotographic toners with cationic charge increasing additive |
| 05/07/1991 | US5013351 Triazolo-pyrimidine-2-sulphonamides useful as herbicides |
| 05/07/1991 | CA1283919C Synthesis and use of novel pyrazolo(3,2-c)-s-triazole photographic couplers |
| 05/07/1991 | CA1283906C .beta.-LACTAM COMPOUNDS AND PRODUCTION THEREOF |
| 05/02/1991 | EP0425282A2 Triazolo derivatives and process for their preparation |
| 05/02/1991 | EP0424852A1 Diazabicycloamine compounds and a process for their preparation |
| 05/02/1991 | EP0424850A1 Quinolone compounds and a process for their preparation |
| 05/02/1991 | EP0424525A1 Novel amines and their use |
| 05/02/1991 | DE3927925A1 New benzimidazo(1,2-C) quinazoline derivs. - useful in treating tumours, acute and chronic leukaemia and as antiviral agents |
| 05/02/1991 | CA2026792A1 (6,7-dihydro-5h-pyrrolo[1,2-c]imidazol-5-yl)- and (5,6,7,8-tetrahydroimidazo[1,5-a]pyridin-5-yl) substituted 1h-benzotriazole derivatives |
| 05/01/1991 | CA2028880A1 Condensed imidazole derivatives and processes for preparation thereof |
| 04/30/1991 | US5011938 Antimicrobials |
| 04/30/1991 | US5011929 From protected azidolactone by reduction and cyclization |
| 04/30/1991 | US5011835 Substituted triazolopyridazines, pharmaceutical compositions and use |
| 04/30/1991 | US5011834 PCP receptor ligands and the use thereof |
| 04/30/1991 | US5011766 Silver halide color photographic light-sensitive material |
| 04/30/1991 | US5011765 Two-equivalent pyrazolo(5,1-b) quinazolone type; heat and moisture resistant |
| 04/30/1991 | CA1283659C Carbapenem antibiotics |
| 04/30/1991 | CA1283658C Process for quinoline-3-carboxylic acid antibacterial agents |
| 04/26/1991 | CA2028610A1 Triazolo derivatives and process for their preparation |
| 04/24/1991 | EP0424349A1 Synthesis of 1,4-dideoxy-1,4-imino-D-mannitol |
| 04/24/1991 | EP0424115A2 Electrophotographic photosensitive materials |
| 04/24/1991 | EP0423805A2 Condensed purine derivatives |
| 04/24/1991 | EP0423587A1 Silver halide color photographic light-sensitive material containing magenta coupler |
| 04/24/1991 | CN1050875A Aroyl-urres |
| 04/24/1991 | CA2028208A1 Quinolone compounds and a process for their preparation |
| 04/24/1991 | CA2028205A1 Diazabicycloamine compounds and a process for their preparation |
| 04/23/1991 | US5010195 Herbicidal alkoxy-1,2,4-triazolo(1,5-c)primidine-2-sulfonamides |
| 04/23/1991 | US5010076 1,7-fused 1H-indole-2-carboxylic acid-N-(1,4-benzodiazepin-3-yl)amides |
| 04/23/1991 | US5010064 Anticoagulants |
| 04/21/1991 | CA2028076A1 Synthesis of swainsonine and analogs thereof |
| 04/18/1991 | WO1991004972A1 1,4-dihydro-4-oxo-3-quinoline derivatives as selectively toxic mammalian antibacterial agents |
| 04/17/1991 | EP0423032A2 Process for the preparation of isoxazolyl and isothiazolyl imidazobenzodiazepines, new derivatives thus obtained, their use as medicaments and compositions containing them |
| 04/17/1991 | EP0422846A2 Aroyl-ureas |
| 04/17/1991 | EP0422596A2 Tricyclic carbapenem compounds |
| 04/17/1991 | EP0422469A2 Sulfonylaminocarbonyltriazolinones |
| 04/17/1991 | EP0192783B1 2-piperazinopyrimidine derivatives and process for their preparation |
| 04/16/1991 | US5008390 Compounds for preparing 6-phenyl-2,3-dihydroimidazo[2,1-b]-thiazoles and corresponding thiazines |
| 04/16/1991 | US5008388 Process for preparation of a new hemin complex |
| 04/16/1991 | US5008312 2,6-polyalkylpiperidine-substituted bislactams and their use for the stabilization of organic material, in particular of plastics, and materials stabilized therewith |
| 04/16/1991 | US5008282 Enzyme inhibitors |
| 04/16/1991 | US5008272 Antagonists; useful in treatment of psychotic disorders, central nervous system disorder; antidepressant |
| 04/16/1991 | US5008271 DC-88A derivatives |
| 04/16/1991 | US5008270 2-amino-7-(heterocyclomethyl)-3H,5H-pyrrolo[3,2-d]pyrimidin-4-ones and pharmaceutical uses and compositions containing the same |
| 04/16/1991 | US5008268 2-aminopyrimidinone derivatives |
| 04/16/1991 | US5008265 2-amino-7-(alicyclomethyl)-3H,5H,-pyrrolo[3,2-d]pyrimidin-4-ones and pharmaceutical uses and compositions containing the same |
| 04/16/1991 | US5008263 Diazepine antiallergy agents |
| 04/16/1991 | CA1283103C Substituted 2,3-dihydro-6-hydroxy-pyrimido ¬2,1-f|-purine- 4,8(1h,9h)-diones |
| 04/16/1991 | CA1283096C Antibacterial compounds |
| 04/16/1991 | CA1283049C Methods for suppressing the endocrine system |
| 04/15/1991 | WO1991005783A1 Heterocyclic compounds |
| 04/13/1991 | CA2027485A1 Process for the preparation of isoxazolyl, isothiazolyl, imidazobenzodiazepines, new derivatives obtained thereby, their use as drugs, and compositions containing these products |
| 04/12/1991 | WO1991005784A1 Bicyclic pyrimidine derivative, method of producing the same, and pharmaceutical preparation containing the same as active ingredient |
| 04/12/1991 | CA2027237A1 Tricyclic carbapenem compounds |
| 04/12/1991 | CA2024844A1 Method for azide displacement of alpha-triflates of 1,5-lactones |
| 04/10/1991 | EP0421823A2 Novel tetracyclic compounds having anti-allergic and anti-asthmatic activities, their preparation and use |
| 04/10/1991 | EP0421668A2 1,4-Dihydro-4-oxo-3-quinolone derivatives as selectively toxic mammalian antibacterial agents |
| 04/10/1991 | EP0421221A2 Colour photographic recording material with a DIR coupler |
| 04/10/1991 | EP0421210A2 Triazole compounds, their production and use |
| 04/10/1991 | CN1050539A Biphenylmethane derivative and pharmacological use |
| 04/09/1991 | US5006656 Preparation of 5,7-dihydroxy-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonanilides |
| 04/09/1991 | US5006655 Process for the preparation of tetrahydrofolates |
| 04/09/1991 | US5006522 Condensed diazepinones, processes for preparing them and pharmaceutical compositions containing these compounds |
| 04/09/1991 | CA1282783C Substituted dihydroimidazo ¬1,2-a| quinoxalines |
| 04/08/1991 | CA2027093A1 Compounds |
| 04/07/1991 | CA2026972A1 1,4-dihydro-4-oxo-3-quinolone derivatives as selectively toxic mammalian antibacterial agents |
| 04/06/1991 | CA2026925A1 Tetracyclic compounds having anti-allergic and anti-asthmatic activities, their preparation and use |
| 04/04/1991 | WO1991004974A1 2-bicyclo-benzimidazoles, process for their production and drugs containing said compounds |
| 04/04/1991 | CA2066690A1 2-bicyclobenzimidazoles, processes for their preparation and medicaments containing these compounds |
| 04/03/1991 | EP0420716A2 Benzodiazepines, process and intermediates for their preparation and their therapeutic use |
| 04/03/1991 | EP0420487A2 Process for optically active 2-alkyl-2,5-diazabicyclo[2.2.1]heptanes |
| 04/03/1991 | EP0420237A1 Biphenylmethane derivative, the use of it and pharmacological compositions containing same |
| 04/03/1991 | EP0420140A2 N-Aminocarbamates related to physostigmine, a process for their preparation and their use as medicaments |
| 04/03/1991 | EP0420086A2 Pyrimidoindole derivatives and processes for preparation thereof |
| 04/03/1991 | EP0419963A2 1,2,3,4-Tetrahydro-5-nitropyrimidine derivatives |
| 04/03/1991 | EP0419561A1 Heterobicyclic compounds having antiinflammatory activity |
| 04/02/1991 | US5004811 Tetrapyrrole aminocarboxylic acids |
| 04/02/1991 | CA1282409C2 Pyrazolo[4,3-d]pyrimidine derivative, process for its production, antihyperlipidemic agent containing it, its intermediate and process for the production of the intermediate |
| 03/30/1991 | CA2026533A1 Biphenylmethane derivative and pharmacological use |
| 03/29/1991 | CA2026381A1 N-aminocarbamates related to physostigmine, a process for their preparation and their use as medicaments |
| 03/29/1991 | CA2026123A1 Benzodiazepines, their process of production, intermediate products and applications in therapeutic practice |
| 03/27/1991 | EP0419397A1 Substituted urea compounds and their preparation and use |
| 03/27/1991 | EP0418924A2 Pyrrolopyrimidines, their production and use |
| 03/27/1991 | CN1050192A Process for preparating antiviral tetrahydroimidazo (1,4) benzodiazepines |
| 03/26/1991 | WO1991004029A1 Orally administered porphyrins to control intestinal iron absorption |
| 03/26/1991 | US5003096 Preparation of substituted 1,2,4-triazolo[1,4-a]pyrimidine-2-sulfonanilides |
| 03/26/1991 | US5002962 Porphyrins |
| 03/26/1991 | US5002950 Psoriasis, autoimmune diseases, transplant rejects |
| 03/26/1991 | US5002941 Pyrrolo(1,2-a)imidazole and imidazo(1,2-a)pyridine derivatives and their use as 5-lipoxygenase pathway inhibitors |
| 03/26/1991 | CA2025820A1 Pyrimidoindole derivatives and processes for preparation thereof |