申请人:SmithKline Beecham plc.
公开号:US05705498A1
公开(公告)日:1998-01-06
Compounds of formula (I): ##STR1## wherein X.sup.g is O, S, SO, SO.sub.2, CH.sub.2, CH, N or NR wherein R is hydrogen or C.sub.1-6 alkyl; A is a saturated or unsaturated polymethylene chain of 2-4 carbon atoms; R.sub.1.sup.g and R.sub.2.sup.g are hydrogen or C.sub.1-6 alkyl; R.sub.3.sup.g is hydrogen, halo, C.sub.1-6 alkyl, amino, nitro or C.sub.1-6 alkoxy; R.sub.4.sup.g is hydrogen, halo, C.sub.1-6 alkyl or C.sub.1-6 alkoxy, Y is O or NH, or CO--Y together are a heterocyclic bioisostere; Z is of sub-formula: ##STR2## wherein --(CH.sub.2).sub.n.sup.1 is attached at carbon; and n.sup.1 is 0, 1, 2, 3 or 4; q is 0, 1, 2 or 3; R.sub.a is a straight or branched chain alkylene of chain length 1-6 carbon atoms terminally substituted by R.sub.7 wherein R.sub.7 is 3 to 8 membered heterocyclyl, 5 or 6 membered monocyclic heteroaryl or 9 or 10 membered fused bicyclic heteroaryl linked through carbon, or R.sub.7 is C.sub.2-7 alkoxycarbonyl or secondary or tertiary hydroxy substituted C.sub.1-6 alkyl; and R.sub.6 is hydrogen or C.sub.1-6 alkyl; are useful as 5HT.sub.4 receptor antagonists.
化合物的式子(I):##STR1##
其中X.sup.g为O,S,SO,SO.sub.2,CH.sub.2,CH,N或NR,其中R为氢或C.sub.1-6烷基;A为2-4个碳原子的饱和或不饱和聚亚甲基链;R.sub.1.sup.g和R.sub.2.sup.g为氢或C.sub.1-6烷基;R.sub.3.sup.g为氢,卤素,C.sub.1-6烷基,氨基,硝基或C.sub.1-6烷氧基;R.sub.4.sup.g为氢,卤素,C.sub.1-6烷基或C.sub.1-6烷氧基,Y为O或NH,或CO--Y一起是一个杂环生物同位素;Z为亚式式:##STR2##
其中--(CH.sub.2).sub.n.sup.1连接在碳上;n.sup.1为0,1,2,3或4;q为0,1,2或3;R.sub.a为直链或支链烷基,链长为1-6个碳原子,末端被R.sub.7取代,其中R.sub.7为3到8个成员的杂环基,5或6个成员的单环杂环芳基或9或10个成员的融合双环杂环芳基,通过碳连接,或R.sub.7为C.sub.2-7烷氧羰基或次生或三级羟基取代的C.sub.1-6烷基;R.sub.6为氢或C.sub.1-6烷基。它们是5HT.sub.4受体拮抗剂。