申请人:Hoffmann-La Roche Inc.
公开号:US04707484A1
公开(公告)日:1987-11-17
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl or acyl; R.sub.2 and R.sub.3 independently are lower alkyl, aralkyl or alkenyl or R.sub.2 and R.sub.3 together form a ring of 5 to 8 carbon atoms; R.sub.4 is phenyl, substituted phenyl, cyclohexyl, substituted cyclohexyl, cyclopentyl, substituted cyclopentyl, cycloheptyl, or substituted cycloheptyl; R.sub.5 is hydrogen or lower alkyl; R.sub.6 is hydrogen, lower alkyl or acyl; and pharmaceutically acceptable acid addition salts thereof are described. The compounds of formula I and pharmaceutically acceptable acid addition salts thereof are anti-emetic agents which lack central nervous system side effects.
化合物的公式为##STR1##其中R.sub.1是氢、低碳基或酰基;R.sub.2和R.sub.3独立地是低碳基、芳基烷基或烯基,或者R.sub.2和R.sub.3一起形成5到8个碳原子的环;R.sub.4是苯基、取代苯基、环己基、取代环己基、环戊基、取代环戊基、环庚基或取代环庚基;R.sub.5是氢或低碳基;R.sub.6是氢、低碳基或酰基;以及其药学上可接受的酸盐。公式I的化合物及其药学上可接受的酸盐是缺乏中枢神经系统副作用的抗恶心剂。