申请人:Tanabe Seiyaku Co., Ltd.
公开号:US04857543A1
公开(公告)日:1989-08-15
A thiophen derivative of the formula: ##STR1## wherein R.sup.1, and R.sup.2 and R.sup.3 are a lower alkyl group, Ring A is phenyl, a lower alkylenedioxy-substituted phenyl, a phenyl group having 1 to 3 substituent(s) selected from the group consisting of a lower alkyl group, a lower alkylthio group, a lower alkoxy group, a phenyl-lower alkoxy group, a lower alkoxycarbonyl group, a halogen atom, amino group and hydroxy group, X is --OCO--, --O-- or --S--, m and n are an integer of zero or 1, and p and q are an integer of zero, 1 or 2, or a salt thereof.
一种硫代噻吩衍生物的化学式:##STR1## 其中 R.sup.1、R.sup.2 和 R.sup.3 是较低的烷基基团,环A 是苯基,一个带有较低烷二氧基取代的苯基,一个苯基,其具有1到3个取代基,所选取自较低烷基基团、较低烷硫基团、较低烷氧基团、苯基-较低烷氧基团、较低烷氧羰基团、卤素原子、氨基和羟基,X 是--OCO--、--O--或--S--,m 和 n 是零或1的整数,p 和 q 是零、1或2的整数,或其盐。