发明授权
- 专利标题： Dihydropyridazinone derivatives, a process for their preparation and pharmaceutical preparations containing these compounds
- 专利标题（中）： 二氢哒嗪酮衍生物，其制备方法和含有这些化合物的药物制剂
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申请号： US176689申请日： 1988-04-01
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公开(公告)号： US4921856A公开(公告)日： 1990-05-01
- 发明人: Helmut Schickaneder , Peter Morsdorf , Volker Pfahlert , Heidrun Engler , Kurt H. Ahrens
- 申请人： Helmut Schickaneder , Peter Morsdorf , Volker Pfahlert , Heidrun Engler , Kurt H. Ahrens
- 申请人地址： DEX Nuremberg
- 专利权人： Heumann Pharma GmbH & Company
- 当前专利权人： Heumann Pharma GmbH & Company
- 当前专利权人地址： DEX Nuremberg
- 优先权： DEX3728491 19870826
- 主分类号： A61K31/50
- IPC分类号： A61K31/50 ; A61P9/04 ; C07D237/04 ; C07D403/10 ; C07D403/12
摘要：
New dihydropryidazinone derivatives corresponding to the following formula ##STR1## and a process for their preparation and pharmaceutical preparations containing these compounds are described. These compounds are effective positively inotropic substances with an improved therapeutic profile.
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