申请人:Nisshin Flour Milling Co., Ltd.
公开号:US05124324A1
公开(公告)日:1992-06-23
Disclosed are compounds of formula I ##STR1## wherein R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, benzyl or an indolyl carbonyl group, R.sub.2 is a saturated or unsaturated 5- or 8-membered heterocyclic group containing as a hetero atom one or more nitrogen atoms, the heterocyclic group is optionally substituted at an N or C atom by a C.sub.1 -C.sub.6 alkyl or aralkyl group, n is an integer of 1 to 5 and one or more hydrogen atoms, in an alkylene chain --(CH.sub.2).sub.n -- are optionally substituted by a C.sub.1 -C.sub.6 alkyl, phenyl and/or hydroxyl group, physiologically acceptable salts and quaternary ammonium salts thereof. The compounds are selective antagonists of 5-HT.sub.3 receptors and are useful in the treatment of psychotic disorders, neurotic diseases, gastric stasis symptoms, gastrointestinal disorders, nausea and vomiting.
公开的是I式化合物,其中R.sub.1是氢原子、C.sub.1 -C.sub.6烷基、苄基或吲哚基酰基,R.sub.2是含有一个或多个氮原子的饱和或不饱和5-或8-成员杂环基团,该杂环基团在N或C原子上可以被C.sub.1 -C.sub.6烷基或芳基烷基取代,n是1到5的整数和一个或多个氢原子,在烷基链--(CH.sub.2).sub.n --中的一个或多个氢原子可以被C.sub.1 -C.sub.6烷基、苯基和/或羟基取代,其生理学上可接受的盐和季铵盐。这些化合物是5-HT.sub.3受体的选择性拮抗剂,可用于治疗精神障碍、神经病、胃排空延迟症状、胃肠道疾病、恶心和呕吐。