Piperidine Derivative or Pharmaceutically Acceptable Salt Thereof
申请人:Kikuchi Kazumi
公开号:US20080070898A1
公开(公告)日:2008-03-20
The piperidine derivative of the present invention in which the 4-position of the piperidine ring is bonded, via vinylene, to a mono-substituted (—R
1
) or unsubstituted benzene ring and the 1-position of the piperidine ring has an acyl group [—C(═O)—R
4
], or a pharmaceutically acceptable salt thereof has an excellent sodium channel inhibition action and an excellent analgesic action and shows a high analgesic effect particularly to neurogenic pain. The present compound is useful as a sodium channel inhibitor of low side effect