发明授权
- 专利标题: N-[4-(4-Pyridinyl)phenyl]ureas and their cardiotonic use
- 专利标题(中): N- [4-(4-吡啶基)苯基]脲及其强心剂用途
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申请号: US285379申请日: 1981-07-20
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公开(公告)号: US4376775A公开(公告)日: 1983-03-15
- 发明人: George Y. Lesher , Donald F. Page
- 申请人: George Y. Lesher , Donald F. Page
- 申请人地址: NY New York
- 专利权人: Sterling Drug Inc.
- 当前专利权人: Sterling Drug Inc.
- 当前专利权人地址: NY New York
- 主分类号: C07D213/40
- IPC分类号: C07D213/40 ; C07D213/54 ; A61K31/44
摘要:
Disclosed and claimed are N-R-N-40 [4-(4-2-R.sub.2 -3-R.sub.3 -5-R.sub.5 -6-R.sub.6 -4-pyridinyl)phenyl]ureas (I) or pharmaceutically-acceptable acid-addition salts thereof, where R is hydrogen, methyl or ethyl, R.sub.2 is hydrogen, methyl, ethyl or hydroxyl, R.sub.6 hydrogen, methyl or ethyl, and R.sub.3 and R.sub.5 are each hydrogen or methyl, their cardiotonic use and their preparation.
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