申请人:John Wyeth & Brother, Ltd.
公开号:US06127357A1
公开(公告)日:2000-10-03
Piperazine derivatives of formula I ##STR1## and their pharmaceutically acceptable acid addition salts are 5-HT.sub.1A binding agents, particularly 5-HT.sub.1A antagonists and may be used, for example, as anxiolytics. In the formula A is C.sub.2-4 alkylene chain optionally substituted by lower alkyl, Z is oxygen or sulphur, R is hydrogen or lower alkyl, R.sup.1 is a mono or bicyclic aryl or heteroaryl radical, R.sup.2 is a mono or bicyclic heteroaryl radical and R.sup.3 is hydrogen or a specified radical such as lower alkyl, cycloalkyl, aryl, heteroaryl or optionally substituted amino.
Piperazine derivatives of formula I ##STR1##及其药用可接受的酸盐是5-HT.sub.1A结合剂,特别是5-HT.sub.1A拮抗剂,例如可用作抗焦虑药。在该式中,A为C.sub.2-4烷基链,可选择性地被较低烷基取代,Z为氧或硫,R为氢或较低烷基,R.sup.1为单环或双环芳基或杂芳基基团,R.sup.2为单环或双环杂芳基基团,R.sup.3为氢或指定的基团,如较低烷基、环烷基、芳基、杂芳基或可选择性取代的氨基。