发明授权
- 专利标题: Dihydropyridine-5-phosphonic acid cyclic propylene ester
- 专利标题(中): 二氢吡啶-5-膦酸环丙烯酯
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申请号: US851158申请日: 1986-04-14
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公开(公告)号: US4885284A公开(公告)日: 1989-12-05
- 发明人: Kiyotomo Seto , Sakuya Tanaka , Ryozo Sakoda
- 申请人: Kiyotomo Seto , Sakuya Tanaka , Ryozo Sakoda
- 申请人地址: JPX Tokyo
- 专利权人: Nissan Chemical Industries Ltd.
- 当前专利权人: Nissan Chemical Industries Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX61-11255 19860122; JPX61-12755 19860123
- 主分类号: C07F9/6571
- IPC分类号: C07F9/6571
摘要:
A compound of the formula: ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 which may be the same or different, is hydrogen or C.sub.1 -C.sub.4 alkyl; one of X.sup.1 and X.sup.2 is nitro, fluroine, chlorine, difluoromethyoxy or trifluoromethyl and the other is hydrogen, or both of X.sup.1 and X.sup.2 are chlorine; and Y is ##STR2## wherein A is C.sub. -C.sub.6 alkylene, each of Ar.sup.1 and Ar.sup.2 which may be the same or different, is phenyl which may be substituted by chlorine, fluorine or C.sub.1 -C.sub.3 alkoxy, and m is an integer of from 0 to 4, or Y is ##STR3## wherein A, Ar.sup.1 and Ar.sup.2 are as defined above when that both X.sup.1 and X.sup.2 are chlorine; or a pharmaceutically acceptable salt thereof.
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