The present invention provides a novel piperidine derivative and a tachykinin receptor antagonist containing same, as well as a compound represented by the formula:
wherein R
1
is carbamoylmethyl, methylsulfonylethylcarbonyl and the like; R
2
is methyl or cyclopropyl; R
3
is a hydrogen atom or methyl; R
4
is a chlorine atom or trifluoromethyl; R
5
is a chlorine atom or trifluoromethyl; and a group represented by the formula:
is a group represented by the formula:
wherein R
6
is a hydrogen atom, methyl, ethyl or isopropyl; R
7
is a hydrogen atom, methyl or a chlorine atom; and R
8
is a hydrogen atom, a fluorine atom, a chlorine atom or methyl; or 3-methylthiophen-2-yl, and a salt thereof.
本发明提供了一种新颖的
哌啶衍
生物和含有该衍
生物的催吐肽受体
拮抗剂,以及由下式表示的化合物:
其中R1为羰胺
甲基、甲磺酰乙基羰基等;R2为
甲基或环丙基;R3为
氢原子或
甲基;R4为
氯原子或三
氟甲基;R5为
氯原子或三
氟甲基;以及由下式表示的基团:
是由下式表示的基团:
其中R6为
氢原子、
甲基、乙基或
异丙基;R7为
氢原子、
甲基或
氯原子;R8为
氢原子、
氟原子、
氯原子或
甲基;或
3-甲基噻吩-2-基,并且其盐。