申请人:SmithKline Beecham p.l.c.
公开号:US06127379A1
公开(公告)日:2000-10-03
Compounds of the general formula (I), and pharmaceutically acceptable salts thereof, ##STR1## in which X.sub.1 --(CH.sub.2).sub.x --X.sub.2 and the aromatic carbon atoms to which they are attached form a 5-7 membered ring, wherein: one of X.sub.1 and X.sub.2 is O, S or CH.sub.2 and the other is CH.sub.2 ; x is 1, 2 or 3; R.sub.1 is hydrogen, amino, halo, C.sub.1-6 alkyl, hydroxy or C.sub.1-6 alkoxy; R.sub.2 is hydrogen, halo, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, nitro, amino or C.sub.1-6 alkylthio; R.sub.3 is hydrogen, halo, C.sub.1-6 alkyl, C.sub.1-6 alkoxy or amino; R.sub.4 and R.sub.5 are independently hydrogen or C.sub.1-6 alkyl; Y is O or NH; Z is of sub-formula (a), (b) or (c): ##STR2## wherein n.sup.1 is 1, 2, 3 or 4; n.sup.2 is 1 or 2; n.sup.3 is 2, 3, 4 or 5; q is 0, 1, 2 or 3; p is 0, 0 or 2; m is 0, 1 or 2; R.sub.a is hydrogen or a lipophilic group, such as C.sub.1-12 alkyl or aralkyl; or R.sub.a is (CH.sub.2).sub.r --R.sub.10 wherein r is 2 or 3 and R.sub.10 is selected from cyano, hydroxyl, C.sub.1-6 alkoxy, phenoxy, C(O)C.sub.1-6 alkyl, COC.sub.6 H.sub.5, --CR.sub.11 R.sub.12, NR.sub.11 COR.sub.12, SO.sub.2 NR.sub.11 R .sub.12 or NR.sub.11 SO.sub.2 R.sub.12 wherein R.sub.11 and R.sub.12 are hydrogen or C.sub.1-6 alkyl; and R.sub.6, R.sub.7 and R.sub.8 are independently hydrogen or C.sub.1-6 alkyl; and R.sub.9 is hydrogen or C.sub.1-10 alkyl; and compounds of formula (I) wherein the CO-Y linkage is replaced by a heterocyclic bioisostere, are disclosed to have 5-HT4 antagonist activity.
通式(I)的化合物及其药物可接受的盐,其中X1 -(CH2)x-X2和它们所附着的芳香碳原子形成5-7成员环,其中:X1和X2中的一个是O,S或CH2,另一个是CH2;x为1、2或3;R1为氢、氨基、卤、C1-6烷基、羟基或C1-6烷氧基;R2为氢、卤、C1-6烷基、C1-6烷氧基、硝基、氨基或C1-6烷基硫基;R3为氢、卤、C1-6烷基、C1-6烷氧基或氨基;R4和R5独立地为氢或C1-6烷基;Y为O或NH;Z为亚式(a)、(b)或(c):其中n1为1、2、3或4;n2为1或2;n3为2、3、4或5;q为0、1、2或3;p为0、0或2;m为0、1或2;Ra为氢或亲脂性基团,例如C1-12烷基或芳基烷基;或Ra为(CH2)r-R10,其中r为2或3,R10选择自氰基、羟基、C1-6烷氧基、苯氧基、CO-C1-6烷基、COC6H5、-CR11R12、NR11COR12、SO2NR11R. sub. 12或NR11SO2R12,其中R11和R12为氢或C1-6烷基;R6、R7和R8独立地为氢或C1-6烷基;R9为氢或C1-10烷基;以及将CO-Y键替换为杂环生物等构造的通式(I)的化合物,被披露具有5-HT4拮抗剂活性。