申请人:DAIICHI SEIYAKU CO., LTD.
公开号:EP0248420A2
公开(公告)日:1987-12-09
A benzopyran derivative represented by formula
wherein:
R, and R2 each represents a hydrogen atom, a lower alkyl group, a substituted or unsubstituted cyclic alkyl group, a mono- or di-lower alkylamino group, a substituted or unsubstituted cyclic amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group;
Y, and Y2 each represents a hydrogen atom, a lower alkyl group, a halogen atom or a trihalomethyl group;
Z represents a carboxyl group, a lower alkoxycarbonyl group, a tetrazolyl group, a hydroxyl group or -CONR3R4 wherein R3 and R4 each represents a hydrogen atom or a lower alkyl group;
n represents an integer of from 1 to 6; and
the bond --- between the 2- and 3-positions represents a single bond or a double bond;
provided that a combination wherein Y,, Y2, and R2 each represents a hydrogen atom, R, represents a phenyl group, n represents 1, Z represents a carboxyl group or an alkoxycarbonyl group, and the bond --- represents a double bond, and a combination wherein Y1, Y2, and R, each represents a hydrogen atom, R2 represents a phenyl group, n represents 1, Z represents a carboxyl group or an alkoxycarbonyl group, and the bond = represents a double bond are excluded, and pharmaceutically acceptable salts thereof are disclosed. These compounds have uricosuric activity, diuretic activity and antihypertensive activity, and are useful as pharmaceuticals.
一种苯并
吡喃衍
生物,由式表示
其中
R和R2各自代表氢原子、低级烷基、取代或未取代的环状烷基、单或双低级烷基
氨基、取代或未取代的环状
氨基、取代或未取代的芳基或取代或未取代的芳烷基;
Y 和 Y2 分别代表氢原子、低级烷基、卤素原子或三卤甲基;
Z 代表羧基、低级烷氧羰基、
四唑基、羟基或-CONR3R4,其中 R3 和 R4 各自代表氢原子或低级烷基;
n 代表 1 至 6 的整数;以及
2-位和3-位之间的键--代表单键或双键;
但不包括Y、Y2和R2各自代表氢原子、R代表苯基、n代表1、Z代表羧基或烷氧基羰基、键------代表双键的组合,以及Y1、Y2和R各自代表氢原子、R2代表苯基、n代表1、Z代表羧基或烷氧基羰基、键=代表双键的组合,并公开了其药学上可接受的盐。这些化合物具有排尿活性、利尿活性和降压活性,可用作药物。