发明授权
- 专利标题: Pyridazinone derivatives, their preparation and use
- 专利标题(中): 哒嗪酮衍生物,其制备和用途
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申请号: US325112申请日: 1989-03-16
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公开(公告)号: US4914093A公开(公告)日: 1990-04-03
- 发明人: Yasuhiro Morisawa , Mitsuru Kataoka , Seiji Kumakura , Hiroyuki Koike , Shinsaku Kobayashi
- 申请人: Yasuhiro Morisawa , Mitsuru Kataoka , Seiji Kumakura , Hiroyuki Koike , Shinsaku Kobayashi
- 申请人地址: JPX Tokyo
- 专利权人: Sankyo Company Limited
- 当前专利权人: Sankyo Company Limited
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX59-213968 19841012
- 主分类号: A61K31/50
- IPC分类号: A61K31/50 ; A61P1/04 ; A61P7/02 ; A61P9/04 ; A61P9/12 ; C07D237/00 ; C07D237/04 ; C07D237/14 ; C07D401/12 ; C07D403/12 ; C07D521/00
摘要:
Compounds of formula (I): ##STR1## (wherein Q is oxygen or sulfur, the dotted line is a single or double bond, A is alkylene, and R.sup.1 -R.sup.5 are a variety of atoms or organic groups)have excellent ability to potentiate myocardial contractivity and a variety of other properties, and can be used to treat cardiac disorders.
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