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。