申请人:Beecham Group p.l.c.
公开号:US04882327A1
公开(公告)日:1989-11-21
Compounds of formula (I), or a pharmaceutically acceptable salt thereof: Y-CO-L-Z (I) wherein L is NH or O; Y is a group of formula (a), (b) or (c): ##STR1## wherein R.sub.1 and R.sub.2, R.sub.5 and R.sub.6, R.sub.9 and R.sub.10, are independently selected from hydrogen or halogen; X is N or CR.sub.3 wherein R.sub.3 is hydrogen or C.sub.1-6 alkoxy; R.sub.4 is hydrogen, halogen, CH.sub.3, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-6 alkylsulphonyl, C.sub.1-6 alkylsulphinyl, C.sub.1-7 acyl, cyano, C.sub.1-6 alkoxycarbonyl, C.sub.1-7 acylamino, hydroxy, nitro or amino, aminocarbonyl, or aminosulphonyl, optionally N-substituted by one or two groups selected from C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, and C.sub.3-8 cycloalkyl C.sub.1-4 alkyl or disubstituted by C.sub.4 or C.sub.5 polymethylene; phenyl or phenyl C.sub.1-4 alkyl group optionally substituted in the phenyl ring by one or two of halogen, C.sub.1-6 alkoxy or C.sub.1-6 alkyl groups; one of R.sub.7 and R.sub.8 is C.sub.1-6 alkyl and the other is C.sub.1-6 alkyl, phenyl or phenyl C.sub.1-4 alkyl optionally substituted in either phenyl ring by one or two of C.sub.1-6 alkoxy or halogen; or R.sub.7 and R.sub.8 together are C.sub.2-6 polymethylene or C.sub.2-5 polymethylene interrupted by an -O- linkage; R.sub.11 is hydrogen or C.sub.1-6 alkoxy; R.sub.12 is hydrogen, halogen, CF.sub.3, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-6 alkylsulphonyl, C.sub.1-6 alkylsulphinyl, C.sub.1-7 acyl, cyano, C.sub.1-6 alkoxycarbonyl, C.sub.1-7 acylamino, hydroxy, nitro or amino, aminocarbonyl, or aminosulphonyl, optionally N-substituted by one or two groups selected from C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, and C.sub.3-8 cycloalkyl C.sub.1-4 alkyl or disubstituted by C.sub.4 or C.sub.5 polymethylene; phenyl or phenyl C.sub.1-4 alkyl optionally substituted in either phenyl ring by one or two of halogen, C.sub.1-6 alkoxy or C.sub.1-6 alkyl groups; Z is a group of formula (d), (e) or (f): ##STR2## wherein n is 2 or 3; p is 1 or 2; q is 1 to 3; r is 1 to 3; and R.sub.13 and R.sub.14 is C.sub.1-4 alkyl; having 5-HT.sub.3 receptor antagonist activity, a process for their preparation and their use as pharmaceuticals.
式(I)的化合物或其药学上可接受的盐:Y-CO-L-Z (I),其中L为NH或O;Y为式(a)、(b)或(c)的基团:##STR1## 其中R.sub.1和R.sub.2、R.sub.5和R.sub.6、R.sub.9和R.sub.10独立选择自氢或卤素;X为N或CR.sub.3,其中R.sub.3为氢或C.sub.1-6烷氧基;R.sub.4为氢、卤素、CH.sub.3、C.sub.1-6烷基、C.sub.1-6烷氧基、C.sub.1-6烷基硫基、C.sub.1-6烷基磺酰基、C.sub.1-6烷基亚磺酰基、C.sub.1-7酰基、氰基、C.sub.1-6烷氧羰基、C.sub.1-7酰胺基、羟基、硝基或氨基、氨基羰基或氨基磺酰基,可选地被一或两个选择自C.sub.1-6烷基、C.sub.3-8环烷基和C.sub.3-8环烷基C.sub.1-4烷基的基团N取代,或被C.sub.4或C.sub.5聚亚甲基二取代;苯基或苯基C.sub.1-4烷基基团,可选地在苯环上被一个或两个卤素、C.sub.1-6烷氧基或C.sub.1-6烷基基团取代;R.sub.7和R.sub.8中的一个为C.sub.1-6烷基,另一个为C.sub.1-6烷基、苯基或苯基C.sub.1-4烷基,可选地在任一苯环上被一个或两个C.sub.1-6烷氧基或卤素取代;或R.sub.7和R.sub.8在一起为C.sub.2-6聚亚甲基或C.sub.2-5聚亚甲基,中断处为-O-连接;R.sub.11为氢或C.sub.1-6烷氧基;R.sub.12为氢、卤素、CF.sub.3、C.sub.1-6烷基、C.sub.1-6烷氧基、C.sub.1-6烷基硫基、C.sub.1-6烷基磺酰基、C.sub.1-6烷基亚磺酰基、C.sub.1-7酰基、氰基、C.sub.1-6烷氧羰基、C.sub.1-7酰胺基、羟基、硝基或氨基、氨基羰基或氨基磺酰基,可选地被一或两个选择自C.sub.1-6烷基、C.sub.3-8环烷基和C.sub.3-8环烷基C.sub.1-4烷基的基团N取代,或被C.sub.4或C.sub.5聚亚甲基二取代;苯基或苯基C.sub.1-4烷基,可选地在任一苯环上被一个或两个卤素、C.sub.1-6烷氧基或C.sub.1-6烷基基团取代;Z为式(d)、(e)或(f)的基团:##STR2## 其中n为2或3;p为1或2;q为1至3;r为1至3;R.sub.13和R.sub.14为C.sub.1-4烷基;具有5-HT.sub.3受体拮抗剂活性,其制备方法以及作为药物的用途。