[EN] N-SUBSTITUTED SPIROPIPERIDINE COMPOUNDS AS LIGANDS FOR ORL-1 RECEPTOR<br/>[FR] COMPOSES SPIROPIPERIDINE N-SUBSTITUES UTILISES COMME LIGANDS POUR LE RECEPTEUR DE ORL-1
申请人:PFIZER PHARMA
公开号:WO2003064425A1
公开(公告)日:2003-08-07
A compound of formula (I) or a pharmaceutically acceptable salt, ester or ether thereof, wherein R1 through R12 are independently hydrogen or the like; X?1 and X2¿ are independently CH¿2? or the like; R?13¿ is hydrogen or the like; or R?12 and R13¿ taken together with three ring atoms of the quinoline ring separating said substituents form a heterocyclic ring; R?14 and R15¿ are hydrogen or the like or these groups taken together form oxo; and the dotted line represents a single or double bond. These compounds are ligands for ORL-1 receptor and especially are antagonists for said receptor.