申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP1935881A1
公开(公告)日:2008-06-25
Disclosed is an aryl-substituted nitrogen-containing heterocyclic compound represented by the formula (I) below or a pharmaceutically acceptable salt thereof. This compound serves as nociceptin receptor antagonist and is useful as a pharmaceutical agent for treating diseases associated with a nociceptin receptor. (I)
[in the formula, A1, A2 and A3 independently represent a carbon atom or a nitrogen atom, and one or two of A1, A2 and A3 represent a carbon atom; R1 represents a lower alkyl group or the like; R2 represents a phenyl group which may be substituted with a halogen atom or the like; R3 represents a hydrogen atom, a lower alkyl group or the like; and R4 represents a lower alkyl group or the like.]
本发明公开了由下式(I)代表的芳基取代的含氮杂环化合物或其药学上可接受的盐。该化合物可作为痛觉素受体拮抗剂,可用于治疗与痛觉素受体相关的疾病。(I)
[式中,A1、A2 和 A3 分别代表碳原子或氮原子,A1、A2 和 A3 中的一个或两个代表碳原子;R1 代表低级烷基或类似基团;R2 代表可被卤素原子或类似基团取代的苯基;R3 代表氢原子、低级烷基或类似基团;R4 代表低级烷基或类似基团。]