发明授权
- 专利标题: 2,3-disubstituted-4-hydroxyquinoline derivatives
- 专利标题(中): 2,3-二取代-4-羟基喹啉衍生物
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申请号: US807946申请日: 1991-12-10
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公开(公告)号: US5194617A公开(公告)日: 1993-03-16
- 发明人: Nobuto Minowa , Tomoya Machinami , Takashi Shomura , Masaji Sezaki , Toru Sasaki , Seiji Shibahara , Shigeharu Inouye
- 申请人: Nobuto Minowa , Tomoya Machinami , Takashi Shomura , Masaji Sezaki , Toru Sasaki , Seiji Shibahara , Shigeharu Inouye
- 申请人地址: JPX Tokyo
- 专利权人: Meiji Seika Kaisha, Ltd.
- 当前专利权人: Meiji Seika Kaisha, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX63-319231 19881217
- 主分类号: C07D215/22
- IPC分类号: C07D215/22 ; C07D215/233
摘要:
2,3-disubstituted-4-hydroxyquinoline derivatives of the general formula (I): ##STR1## [wherein R.sup.1 represents a hydrogen atom or R.sup.3 CO-- (wherein R.sup.3 is a lower alkyl group); R.sup.2 represents a hydrogen atom, --CH.sub.3 or --C.sub.2 H.sub.5 ; A represents ##STR2## and W represents a hydrogen atom, or 1- 4 halogen atoms or alkyl groups which are substituted at the nucleus and may be the same or different] have a strong antagonistic action on leukotriene D.sub.4.
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