| 发明名称 |
SUBSTITUTED 6-PHENYLDIHYDRO-3(2H)-PYRIDAZINONES,A PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL PREPARATIONS CONTAINING THESE COMPOUNDS |
| 摘要 |
6-Substd. phenyl-pyridazin-3-one derivs. of formula (I) and their salts are new: A=(i)-(iv), R1 = NO2, NH2, OH, CN or halo; R2 = H, Me or CH2OH; R3 = H, 1-6C alkyl (opt. substd. by an OH or NH2 gp.); opt. substd. aryl or heteroaryl; CN; acyl; opt. substd. aroyl; COOH or 1-6C alkoxycarbonyl; m = 1-3; n = 2-4. |
| 申请公布号 |
ZA8809559(B) |
申请公布日期 |
1989.09.27 |
| 申请号 |
ZA19880009559 |
申请日期 |
1988.12.22 |
| 申请人 |
HEUMANN PHARMA GMBH & CO. |
发明人 |
DR ROLF HERTER;DR PETER MOERSDORF;DR. VOLKER PFAHLERT;DR. HEIDRUN ENGLER;DR. HELMUT SCHICKANEDER;DR KURT HENNING AHRENS |
| 分类号 |
A61K31/50;A61K31/505;A61P9/04;A61P9/12;C07D237/04;C07D401/10;C07D403/12;C07D417/12 |
主分类号 |
A61K31/50 |
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