The present invention is a compound and pharmaceutical composition comprising a compound of formula (I):
1
where R
1
is an N-containing heterocyclic group selected from an imidazolyl, a triazolyl, a pyridyl, a pyridazinyl, a pyrimidinyl and a pyrazinyl group, each of which may be substituted with one or more lower alkyl groups, R
2
is a hydrogen atom or a lower alkyl group, and R
3
is a phenyl group substituted with thienyl or halophenyl; a thienyl group substituted with thienyl, phenyl or halophenyl; a pyrrolyl group substituted with phenyl; a thiazolyl group substituted with phenyl; an indolyl group substituted with lower alkyl and/or halo(lower)alkyl; a fluorenyl group; or a carbazolyl group which is unsubstituted or substituted with a fluorine atom. The compound of formula (I) includes pharmaceutically acceptable salts. The compound of formula (I) and salts thereof have
5
-HT antagonism activity.
本发明涉及一种化合物和制药组合物,包括式(I)的化合物:1其中R1是从
咪唑基,三唑基,
吡啶基,
吡嗪基,
嘧啶基和
吡咯基中选择的含氮杂环基团,每个基团都可以用一个或多个较低的烷基基团进行取代,R2是氢原子或较低的烷基基团,R3是苯基,该苯基被
噻吩基或卤代苯基取代;被
噻吩基,苯基或卤代苯基取代的
噻吩基;被苯基取代的
吡咯基;被苯基取代的
噻唑基;被较低烷基和/或卤代(较低)烷基取代的
吲哚基;
芴基;或未取代或取代有
氟原子的
咔唑基。式(I)的化合物包括药学上可接受的盐。式(I)的化合物及其盐具有5-HT拮抗活性。