Compounds of the formula (I)
and pharmaceutically acceptable salts and N-oxides thereof, wherein:
R1 is a C1-6alkoxy group;
R2 and R3 are the same or different and
are hydrogen, halogen, CF3, C1-7acyl. C1-7 acylamino, C1-6 alkyl-S(O)n wherein n is 0, 1 or 2, nitro. C1-6 alkoxy, hydroxy. or amino, aminocarbonyl or aminosulphonyl optionally substituted by one or two C1-6 alkyl groups:
or R1 and R2 taken together are methylenedioxy or ethylenedioxy in which case R3 is any one of the groups given for R1 and
R2above;
R4 is hydrogen, C1-4alkyl, phenyl or phenyl C1-4 alkyl:
R5 is hydrogen or C1-4 alkyl;
X is an oxygen or sulphur atom; or a sulphoxide group >S ~O;
p is 1 or 2; and
r is 1 or 2; are useful in the treatment of disorders related to imparied gastro-intestinal motility.
式 (I) 的化合物
及其药学上可接受的盐类和 N-氧化物,其中
R1 是 C1-6 烷氧基;
R2 和 R3 相同或不同,并且
是氢、卤素、
CF3、C1-7 乙酰基C1-7酰
氨基,C1-6烷基-S(O)n(其中n为0、1或2),硝基。或
氨基、
氨基羰基或
氨基磺酰基,可选择被一个或两个 C1-6 烷基取代:
或 R1 和 R2 合在一起为亚甲基二氧基或亚乙基二氧基,在这种情况下,R3 为 R1 和 R2 所含的任何一个基团
R2以上的任何一个基团;
R4 是氢、C1-4 烷基、苯基或苯基 C1-4 烷基:
R5 是氢或 C1-4 烷基;
X 是氧原子或
硫原子;或亚砜基团 >S ~O;
p 是 1 或 2;以及
r为1或2;可用于治疗与胃肠道运动障碍有关的疾病。