申请人:Beecham Group p.l.c.
公开号:US04871744A1
公开(公告)日:1989-10-03
Compounds of formula (I) and pharmaceutically acceptable salts thereof; ##STR1## wherein L is NH or O; X and Y are independently selected from hydrogen or C.sub.1-4 alkyl, or together are a bond; R.sub.1 and R.sub.2 are independently selected from hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl-C.sub.1-4 alkyl, or together are C.sub.2-4 polymethylene; R.sub.3 and R.sub.4 are independently selected from hydrogen, halogen, CF.sub.3, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-7 acyl, C.sub.1-7 acylamino, C.sub.1-6 alkylsulphonylamino, N-(C.sub.1-6 alkylsulphonyl)-N-C.sub.1-4 alkylamino, C.sub.1-6 alkylsulphinyl), hydroxy, nitro or amino, aminocarbonyl, aminosulphonyl, aminosulphonylamino or N-(aminosulphonyl)-C.sub.1-4 alkylamino optionally N-substituted by one or two groups selected from C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkyl C.sub.1-4 alkyl, phenyl or phenyl C.sub.1-4 alkyl groups or optionally N-disubstituted by C.sub.4-5 polymethylene; Z is a group of formula (a), (b) or (c) ##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.5 or R.sub.6 is C.sub.1-7 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkyl-C.sub.1-2 alkyl or C.sub.2-7 alkenyl-C.sub.1-4 alkyl; having 5-HT M-receptor antagonist activity.
式(I)的化合物及其药学上可接受的盐;其中L为NH或O;X和Y分别选自氢或C.sub.1-4烷基,或者一起是键;R.sub.1和R.sub.2分别选自氢,C.sub.1-6烷基,C.sub.2-6烯基-C.sub.1-4烷基,或者一起是C.sub.2-4聚亚甲基;R.sub.3和R.sub.4分别选自氢,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.1-7酰基,C.sub.1-7酰胺基,C.sub.1-6烷基磺酰胺基,N-(C.sub.1-6烷基磺酰基)-N-C.sub.1-4烷基胺基,C.sub.1-6烷基磺氧基),羟基,硝基或氨基,氨基甲酰基,氨基磺酰基,氨基磺酰胺基或N-(氨基磺酰基)-C.sub.1-4烷基胺基,可选地由C.sub.1-6烷基,C.sub.3-8环烷基,C.sub.3-8环烷基C.sub.1-4烷基,苯基或苯基C.sub.1-4烷基基团中的一个或两个基团取代的氨基磺酰胺基或N-(氨基磺酰基)-C.sub.1-4烷基胺基,可选地由C.sub.4-5聚亚甲基二取代的N;Z是式(a)、(b)或(c)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.5或R.sub.6为C.sub.1-7烷基,C.sub.3-8环烷基,C.sub.3-8环烷基-C.sub.1-2烷基或C.sub.2-7烯基-C.sub.1-4烷基;具有5-HT M受体拮抗活性。