申请人:Glaxo Group Limited
公开号:US05183820A1
公开(公告)日:1993-02-02
The invention provides potent and selective antagonists of 5-HT at 5-HT.sub.3 receptors which are tricyclic lactams of the formula (I) ##STR1## wherein Im represents an imidazolyl group of the formula: ##STR2## and R.sup.1 represents a hydrogen atom or a group selected from C.sub.1-6 alkyl, C.sub.3-6 alkenyl, C.sub.3-10 alkynyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, phenyl, phenylC.sub.1-3 alkyl, --CO.sub.2 R.sup.5, --COR.sup.5, --CONR.sup.5 R.sup.6 or --SO.sub.2 R.sup.5 ; one of the groups represented by R.sup.2, R.sup.3 and R.sup.4 is a hydrogen atom or a C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-6 alkenyl, phenyl or phenylC.sub.1-3 alkyl group, and each of the other two groups, which may be same or different, represents a hydrogen atom or a C.sub.1-6 alkyl group; Y represents the group CH.dbd.CH or (CH.sub.2).sub.n, wherein n represents 2 or 3; Q represents a halogen atom, or a group selected from hydroxy, C.sub.1-4 alkoxy, phenylC.sub.1-3 alkoxy, C.sub.1-6 alkyl, cyano, phenyl which may be unsubstituted or substituted by one or more C.sub.1-4 alkyl, C.sub.1-4 alkoxy or hydroxy groups or halogen atoms, --NR.sup.7 R.sup.8, --CONR.sup.7 R.sup.8 , --(CH.sub.2).sub.p CONR.sup.7 R.sup.8, --(CH.sub.2).sub.q NR.sup.9 R.sup.10 or --(CH.sub.2).sub.2 CO.sub.2 R.sup.11 ; Q' represents a hydrogen or a fluorine atom; and physiologically acceptable salts and solvates thereof.
本发明提供了5-HT.sub.3受体的有效和选择性拮抗剂,其为式(I)的三环内酰胺,其中Im表示式的咪唑基:##STR2## 和R.sup.1表示氢原子或从C.sub.1-6烷基,C.sub.3-6烯基,C.sub.3-10炔基,C.sub.3-7环烷基,C.sub.3-7环烷基C.sub.1-4烷基,苯基,苯基C.sub.1-3烷基,--CO.sub.2R.sup.5,--COR.sup.5,--CONR.sup.5R.sup.6或--SO.sub.2R.sup.5选择的基团之一; 由R.sup.2,R.sup.3和R.sup.4表示的基团中的一个是氢原子或C.sub.1-6烷基,C.sub.3-7环烷基,C.sub.3-6烯基,苯基或苯基C.sub.1-3烷基基团,而其他两个基团,可以相同也可以不同,表示氢原子或C.sub.1-6烷基; Y表示基团CH.dbd.CH或(CH.sub.2).sub.n,其中n表示2或3; Q表示卤原子或从羟基,C.sub.1-4烷氧基,苯基C.sub.1-3烷氧基,C.sub.1-6烷基,氰基,苯基,可以未取代或经过一个或多个C.sub.1-4烷基,C.sub.1-4烷氧基或羟基基团或卤原子取代的苯基,--NR.sup.7R.sup.8,--CONR.sup.7R.sup.8,--(CH.sub.2).sub.pCONR.sup.7R.sup.8,--(CH.sub.2).sub.qNR.sup.9R.sup.10或--(CH.sub.2).sub.2CO.sub.2R.sup.11; Q'表示氢或氟原子; 以及其生理上可接受的盐和溶剂。