The present invention is to provide a piperidine compound represented by the formula [I]: wherein Ring A is an optionally substituted benzene ring, Ring B is an optionally substituted benzene ring, R1 is hydrogen atom or a substituent for amino group, R2 is hydrogen atom, an optionally substituted hydroxyl group, an optionally substituted amino group, an optionally substituted alkyl group, a substituted carbonyl group or a halogen atom, Z is oxygen atom or -N(R3)-, R3 is hydrogen atom or an optionally substituted alkyl group, R4a and R4b may be the same or different, and each is hydrogen atom or an optionally substituted alkyl group, or a pharmaceutically acceptable salt thereof, which has an excellent tachykinin receptor antagonistic action.
本发明提供的是一种由式[I]表示的
哌啶化合物,其中环A是一个可选择取代的苯环,环B是一个可选择取代的苯环,R1是氢原子或
氨基的取代基,R2是氢原子、可选择取代的羟基、可选择取代的
氨基、可选择取代的烷基、取代的羰基或卤原子,Z是氧原子或-N(R3)-,R3是氢原子或可选择取代的烷基,R4a和R4b可以相同也可以不同,每个都是氢原子或可选择取代的烷基,或其药学上可接受的盐,具有优异的催吐肽受体拮抗作用。