申请人:Shirai Junya
公开号:US20080275085A1
公开(公告)日:2008-11-06
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。