申请人:BEECHAM GROUP PLC
                            
                            
                                公开号:EP0230718A1
                            
                            
                                公开(公告)日:1987-08-05
                            
                            
Compounds of formula (I) and pharmaceutically acceptable salts thereof:
wherein: Ar is a group of formula (a):
wherein either R2 is C1-6 alkoxy and one of R3, R4 and R5 is hydrogen and the other two are selected from hydrogen, halogen, CF3, C1-6 alkylthio, C1-7 acyl, C1-10 carboxylic acylamino, C1-6 alkyl S(0)n wherein n is 1 or 2, nitro or amino, aminocarbonyl or aminosulphonyl optionally substituted by one or two groups selected from C1-6 alkyl, C3-8 cycloalkyl, C3-8 cycloalkyl C1-4 alkyl or phenyl C1-4 alkyl groups any of which phenyl moieties may be substituted by one or two groups selected from halogen, CF3, C1-6 alkyl or C1-6 alkoxy; or R2 is hydrogen and R3, R4 and R6 are independently selected from hydrogen, C1-6 alkyl, hydroxy, C1-6 alkoxy, C1-6 alkylthio or halo; or any two on adjacent carbon atoms together are C1-2 alkylenedioxy and the third is hydrogen, C1-6 alkyl, C1-6 alkoxy or halo; or Ar is a group of formula (b):
wherein W is CH,, 0, S or NR7 wherein R7 is hydrogen, C1-6 alkyl C3-7 alkenyl-methyl, phenyl or phenyl C1-4 alkyl either of which phenyl moieties may be substituted by one or two of halogen, CF3, C1-6 alkoxy or C1-6 alkyl; and V is CH or N; orW is CH or N and V is NR, where Ra is as defined for R7 above or CHRc where Rc is as defined for Re below;
Rb is present when the COX linkage is attached at the phenyl ring, and is selected from hydrogen, halogen CF3, hydroxy, C1-6 alkoxy or C1-6 alkyl;
R6 is hydrogen, halogen, CF3, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, C1-7 acyl, C1-7 acylamino, C1-6 alkylsulphonylamino, N-(C1-6 alkylsulphonyl)-N-C1-4 alkylamino, C1-6 alkylsulphinyl, hydroxy, nitro or amino, aminocarbonyl, aminosulphonyl, aminosulphonylamino or N-(aminosulphonyl)-C1-4 alkylamino optionally N-substituted by one or two groups selected from C1-6 alkyl, C3-8 cycloalkyl C3-8 cycloalkyl C1-4alkyl, phenyl or phenyl C1-4 alkyl groups or optionally N-disubstituted by C4-6 polymethylene;
X is NH; or 0 when Ar is of formula (a) and R2 is hydrogen, or when Ar is a group of formula (b);
Y is a group of formula (c), (d) or (e):
  wherein p and q are independently 0 or 1;
Z is C2 or C3 polymethylene optionally substituted by one or two C1-4 alkyl groups; and
R, is hydrogen or C1-6 alkyl or OR, is an in vivo hydrolysable acyloxy group; having gastric motility enhancing activity, anti-emetic activity and/or 5-HT receptor antagonist activity, a process for their preparation and their use as pharmaceuticals.
                            式(I)化合物及其药学上可接受的盐类:
其中Ar 是式 (a) 的基团:
其中 R2 为 C1-6 烷氧基,R3、R4 和 R5 中的一个为氢,另外两个选自氢、卤素、
CF3、C1-6 烷
硫基、C1-7 
丙烯酸基、C1-10 羧酰基
氨基、C1-6 烷基 S(0)n(其中 n 为 1 或 2)、硝基或
氨基、
氨基羰基或
氨基磺酰基,可任选被一个或两个选自 C1-6 烷基、C3-8 环烷基、C3-8 环烷基 C1-4 烷基或苯基 C1-4 烷基的基团取代,其中任何苯基可被一个或两个选自卤素、   、C1-6 烷基或 C1-6 烷氧基的基团取代;或 R2 是氢,R3、R4 和 R6 独立地选自氢、C1-6 烷基、羟基、C1-6 烷氧基、C1-6 烷
硫基或卤素;或相邻碳原子上的任意两个碳原子一起是 C1-2 烷二氧基,第三个碳原子是氢、C1-6 烷基、C1-6 烷氧基或卤素;或 Ar 是式 (b) 的基团:
其中 W 是 CH、0、S 或 NR7,其中 R7 是氢、C1-6 烷基 C3-7 烯基-甲基、苯基或苯基 C1-4 烷基,其中任一苯基可被卤素、   、C1-6 烷氧基或 C1-6 烷基中的一个或两个取代;且 V 是 CH 或 N;或 W 是 CH 或 N,且 V 是 NR,其中 Ra 如上文对 R7 所定义,或 CHRc,其中 Rc 如下文对 Re 所定义;
当 COX 连接在苯环上时,存在 Rb,它选自氢、卤素    、羟基、C1-6 烷氧基或 C1-6 烷基;
R6 是氢、卤素、   、C1-6 烷基、C1-6 烷氧基、C1-6 烷
硫基、C1-7 乙酰基、C1-7 乙酰
氨基、C1-6 烷基磺酰基
氨基、N-(C1-6 烷基磺酰基)-N-C1-4 烷基
氨基、C1-6 烷基亚磺酰基、羟基、硝基或
氨基、
氨羰基、
氨磺酰基、
氨酰胺基、
氨磺酰基或
氨酰胺基、
氨磺酰
氨基或 N-(
氨磺酰)-C1-4烷基
氨基,任选被一个或两个选自 C1-6 烷基、C3-8 环烷基、C3-8 环烷基 C1-4 烷基、苯基或苯基 C1-4 烷基的基团或任选被 C4-6 聚亚甲基 N-二取代;
当 Ar 为式(a)且 R2 为氢时,或当 Ar 为式(b)基团时,X 为 NH;或 0;
Y 是式(c)、(d)或(e)的基团:
  其中 p 和 q 独立地为 0 或 1;
Z 是任选被一个或两个 C1-4 烷基取代的 C2 或 C3 聚亚甲基;以及
R,是氢或 C1-6 烷基,或 OR,是体内可
水解的酰氧基;具有胃动力增强活性、止吐活性和/或 5-HT 受体拮抗剂活性,其制备方法及其作为药物的用途。