申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US05344927A1
公开(公告)日:1994-09-06
A tetrahydrobenzimidazole derivative represented by formula (I): ##STR1## wherein Het represents a heterocyclic group which may be substituted with 1 to 3 substituents selected from the group consisting of a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a cycloalkyl-lower alkyl group, an aralkyl group, a lower alkoxy group, a nitro group, a hydroxyl group, a lower alkoxycarbonyl group, and a halogen atom; and X represents a single bond or --NH-- which is bonded to the carbon atom or nitrogen atom of the heterocyclic ring, or a pharmaceutically acceptable salt thereof. The compound of formula (I) and a salt thereof exhibits antagonism against 5-HT.sub.3 receptor.
一种四氢苯并咪唑衍生物,其化学式表示为(I):##STR1## 其中Het代表一个杂环基团,该基团可以被1至3个取自以下组的取代基所取代:较低的烷基、较低的烯基、较低的炔基、环烷基-较低的烷基、芳基烷基、较低的烷氧基、硝基、羟基、较低的烷氧羰基、以及卤原子;X代表与杂环环的碳原子或氮原子相结合的单键或--NH--,或其药学上可接受的盐。化合物(I)及其盐对5-HT3受体表现出拮抗作用。