The invention relates to piperidine derivatives of formula (I) ##STR1## wherein R.sup.1 is a C.sub.2-4 alkoxy group; R.sup.2 is ##STR2## R.sup.3 is a hydrogen or halogen atom; R.sup.4 and R.sup.5 may each independently represent a hydrogen or halogen atom, or a C.sub.1-4 alkyl, C.sub.1-4 alkoxy or trifluoromethyl group; and pharmaceutically acceptable derivatives thereof, to processes for their preparation, and their use in the treatment of conditions mediated by tachykinins.
本发明涉及式(I)的
哌啶衍
生物:##STR1## 其中 R.sup.1 是C.sub.2-4烷氧基;R.sup.2是 ##STR2## R.sup.3是氢原子或卤素原子;R.sup.4和R.sup.5可以各自独立地表示氢原子或卤素原子,或C.sub.1-4烷基,C.sub.1-4烷氧基或三
氟甲基基团;以及其药学上可接受的衍
生物,制备它们的过程,以及它们在治疗由速激肽介导的疾病中的应用。