申请人:Abbott Laboratories
公开号:US04049653A1
公开(公告)日:1977-09-20
Heterocyclic esters of benzopyrans represented by the formula ##STR1## wherein n is 1 or 2; each R and R.sub.1 are the same or different members of the group consisting of hydrogen or loweralkyl; R.sub.2 is loweralkyl; R.sub.3 is ##STR2## WITH Y' being a straight or branched chain alkylene group having from one to eight carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, X is CH.sub.2, O, S or NR.sub.7 with R.sub.7 being hydrogen or loweralkyl, with the limitation that when X is O, S, or NR.sub.7, a and b each must be 2; R.sub.8 is hydrogen or loweralkyl; Y is a straight or branched chain alkylene group having from one to ten carbon atoms; and each R.sub.4 and R.sub.5 and R.sub.6 are the same or different members of the group consisting of hydrogen, halo, trifluoromethyl or loweralkyl; and the pharmaceutically acceptable salts thereof.
苯并吡喃的杂环酯化合物,其分子式如下:##STR1## 其中n为1或2;每个R和R.sub.1是氢或低碳基的相同或不同成员;R.sub.2是低碳基;R.sub.3是##STR2## 其中Y'是一条直链或支链烷基,具有1到8个碳原子,a是1到4的整数,b是1到4的整数,X是CH.sub.2、O、S或NR.sub.7,其中R.sub.7为氢或低碳基,但当X为O、S或NR.sub.7时,a和b必须是2;R.sub.8是氢或低碳基;Y是一条直链或支链烷基,具有1到10个碳原子;每个R.sub.4和R.sub.5和R.sub.6是氢、卤素、三氟甲基或低碳基的相同或不同成员;以及其药学上可接受的盐。