申请人:Glaxo Group Limited
公开号:US04985422A1
公开(公告)日:1991-01-15
Compounds which are potent and selective antagonists of the effect of 5-HT.sub.3 receptors and are useful in the treatment of psychotic disorders, anxiety, and nausea and vomiting, of the general formula (I) ##STR1## wherein Im represents an imidazolyl group of the formula (a), (b) or (c): ##STR2## one of the groups represented by R.sup.1, R.sup.2 and R.sup.3 is a hydrogen atom or a C.sub.1-6 alkyl, C.sub.3-7 cycloalkyl, C.sub.3-6 alkenyl, phenyl or phenyl C.sub.1-3 alkyl group, and each of the other two groups, which may be the same or different, represents a hydrogen atom or a C.sub.1-6 alkyl group; n represents 1 or 2; Q represents a hydrogen atom, a halogen atom, or a hydroxy, C.sub.1-4 alkoxy, phenyl C.sub.1-3 alkoxy or C.sub.1-6 alkyl group, or a group --NR.sup.4 R.sup.5 or --CONR.sup.4 R.sup.5 ; and X represents an oxygen or a sulphur atom, and, when Im represents an imidazolyl group of formula (c), X may also represent the group NR.sup.6, where R.sup.6 represents a hydrogen atom or a group selected from C.sub.1-6 alkyl, C.sub.3-6 alkenyl, C.sub.3-10 alkynyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkyl, C.sub.1-4 alkyl, phenyl, phenyl C.sub.1-3 alkyl, --CO.sub.2 R.sup.7, --COR.sup.7, --CONR.sup.7 R.sup.8 or --SO.sub.2 R.sup.7 ; and physiologically acceptable salts or solvates thereof.
这是一段化学领域的描述,描述了一类化合物的通式(I),这些化合物是5-HT.sub.3受体的有效和选择性拮抗剂,可用于治疗精神失常、焦虑、恶心和呕吐。其中,Im代表通式(a)、(b)或(c)的咪唑基团: ##STR2## R.sup.1、R.sup.2和R.sup.3中的一个表示氢原子或C.sub.1-6烷基、C.sub.3-7环烷基、C.sub.3-6烯基、苯基或苯基C.sub.1-3烷基基团,其他两个可以相同或不同,表示氢原子或C.sub.1-6烷基基团;n表示1或2;Q表示氢原子、卤素原子、羟基、C.sub.1-4烷氧基、苯基C.sub.1-3烷氧基或C.sub.1-6烷基基团,或者表示--NR.sup.4 R.sup.5或--CONR.sup.4 R.sup.5基团;X表示氧原子或硫原子,当Im表示通式(c)的咪唑基团时,X还可以表示基团NR.sup.6,其中R.sup.6表示氢原子或从C.sub.1-6烷基、C.sub.3-6烯基、C.sub.3-10炔基、C.sub.3-7环烷基、C.sub.3-7环烷基、C.sub.1-4烷基、苯基、苯基C.sub.1-3烷基、--CO.sub.2R.sup.7、--COR.sup.7、--CONR.sup.7 R.sup.8或--SO.sub.2R.sup.7中选择的基团;以及其生理上可接受的盐或溶剂化物。