申请人:Beecham Group p.l.c.
公开号:US05132317A1
公开(公告)日:1992-07-21
A compound of formula (I): ##STR1## or a tautomeric form thereof and/or a pharmaceutically acceptable salt thereof, and/or a pharmaceutically acceptable solvate thereof, wherein: A.sup.1 represents a substituted or unsubstituted aryl group; A.sup.2 represents a benzene ring having in total up to five substituents; X represents O, S or NR.sup.1 wherein R.sup.1 represents a hydrogen atom, an alkyl group, an acyl group, an aralkyl group, wherein the aryl moiety may be substituted or unsubstituted, or a substituted or unsubstituted aryl group; Y represents O or S; R.sup.2 represents hydrogen; R.sup.3 represents hydrogen or an alkyl, aralkyl or aryl group or R.sup.2 together with R.sup.3 represents a bond; and n represents an integer in the range of from 2 to 6; a process for preparing such a compound, a pharmaceutical composition comprising such a compound and the use of such compound and composition in medicine.
式(I)的化合物:##STR1## 或其互变异构体和/或药学上可接受的盐和/或药学上可接受的溶剂化物,其中:A.sup.1代表取代或未取代的芳基基团;A.sup.2代表总共最多有五个取代基的苯环;X代表O、S或NR.sup.1,其中R.sup.1代表氢原子、烷基、酰基、芳基烷基,其中芳基基团可以是取代或未取代的,或者是取代或未取代的芳基基团;Y代表O或S;R.sup.2代表氢原子;R.sup.3代表氢原子或烷基、芳基烷基或芳基基团,或者R.sup.2和R.sup.3一起代表键;n代表在2到6之间的整数;制备这样的化合物的方法、包含这样的化合物的制药组合物以及这样的化合物和组合物在医学上的用途。