The invention relates to new α-arylethylpiperazine of the formula
wherein
Z represents 0 or S;
n′ represents 1 or 2;
R
2
represents a hydrogen atom or a methyl group;
W, Ar
1
and Ar
2
represent various substituents as defined herein;
or non-toxic pharmaceutically acceptable salt, individual optical isomer, or individual diastereoisomer thereof, which are useful as neurokinin receptor antagonists (NK
1
antagonists). It also relates to processes for their preparation and use in methods for treatment of asthma and/or allergic rhinitis.
本发明涉及新的α-芳基乙基
哌嗪化合物,其
化学式如下:
其中,Z代表0或S;n′代表1或2;R2代表氢原子或甲基基团;W,Ar1和Ar2代表如下所定义的各种取代基;或其非毒性药学上可接受的盐、单一光学异构体或单一对映异构体,它们可用作神经激肽受体拮抗剂(NK1拮抗剂)。本发明还涉及它们的制备过程以及在治疗哮喘和/或过敏性鼻炎的方法中的使用。