申请人:Merck Sharp & Dohme Ltd.
公开号:US04952587A1
公开(公告)日:1990-08-28
The present invention provides a compound of formula I or a salt or prodrug thereof: ##STR1## wherein the dotted circle represents one or two double bonds in any position in the 5-membered ring; X, Y and Z independently represent oxygen, sulphur, nitrogen or carbon, provided that at least one of X, Y and Z represents oxygen, sulphur or nitrogen; A represents a group of formula II: ##STR2## in which R.sup.1 represents hydrogen, hydroxy, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.1-6 alkoxy, hydroxy(C.sub.1-6)alkyl, halogen, amino, cyano, --CONR.sup.6 R.sup.7 or --SO.sub.2 NR.sup.6 R.sup.7, in which R.sup.6 and R.sup.7 independently represent hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl; R.sup.2 represents hydrogen, halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy or C.sub.1-6 alkylcarbonyl; V represents nitrogen, ##STR3## and W represents oxygen, sulphur or ##STR4## in which R.sup.8 represents hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl or C.sub.2-6 alkynyl; E represents a bond or a straight or branched alkylene chain containing from 1 to 5 carbon atoms, and optionally being substituted with hydroxy or phenyl; and F represents: (a) a non-aromatic azacyclic or azabicyclic ring system; or (b) a group of formula --NR.sup.a R.sup.b, in which R.sup.a and R.sup.b independently represent hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl or aryl(C.sub.1-6)alkyl; which compounds are useful in the treatment of psychotic disorders (e.g. schizophrenia and mania); anxiety; alcohol or drug withdrawal; pain; gastric stasis; gastric dysfunction (such as occurs with dyspepsia, peptic ulcer, reflux oesophagitis and flatulence); migraine, nausea and vomiting; and presenile and senile dementia.
本发明提供了化合物I的结构或其盐或前药:其中虚线圆圈代表5-成员环中任意位置的一个或两个双键;X、Y和Z独立地代表氧、硫、氮或碳,但至少一个X、Y和Z代表氧、硫或氮;A代表结构II的一个基团:其中R.sup.1代表氢、羟基、C.sub.1-6烷基、C.sub.2-6烯基、C.sub.2-6炔基、C.sub.1-6烷氧基、羟基(C.sub.1-6)烷基、卤素、氨基、氰基、--CONR.sup.6 R.sup.7或--SO.sub.2 NR.sup.6 R.sup.7,其中R.sup.6和R.sup.7独立地代表氢、C.sub.1-6烷基、C.sub.2-6烯基或C.sub.2-6炔基;R.sup.2代表氢、卤素、C.sub.1-6烷基、C.sub.1-6烷氧基或C.sub.1-6烷基羰基;V代表氮,W代表氧、硫或其中R.sup.8代表氢、C.sub.1-6烷基、C.sub.2-6烯基或C.sub.2-6炔基;E代表键或含有1至5个碳原子的直链或支链烷基链,可选地被羟基或苯基取代;F代表:(a)非芳香性氮杂环或氮杂双环系统;或(b)结构--NR.sup.a R.sup.b的一个基团,其中R.sup.a和R.sup.b独立地代表氢、C.sub.1-6烷基、C.sub.2-6烯基、C.sub.2-6炔基或芳基(C.sub.1-6)烷基;这些化合物在治疗精神分裂症(例如精神分裂症和狂躁症)、焦虑、酒精或药物戒断、疼痛、胃排空延缓、胃功能障碍(如消化不良、消化性溃疡、反流性食道炎和胀气)、偏头痛、恶心呕吐以及老年性痴呆症等方面有用。