申请人:Yuhan Corporation
公开号:US05686458A1
公开(公告)日:1997-11-11
A quinazoline derivative represented by formula(I) or a pharmaceutically acceptable salt thereof is useful for the treatment of peptic ulcer, wherein: ##STR1## R.sub.1 and R.sub.2 are each hydrogen or a C.sub.1 -C.sub.4 alkyl group; R.sub.3 is hydrogen or a halogen; R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8 and R.sub.9, which may be the same or different, are each hydrogen, a C.sub.1 -C.sub.4 alkyl group, a cyclopropyl group, or a C.sub.1 -C.sub.4 alkyl group substituted with a halogen; and R.sub.10 is a methoxy group.
化学式(I)表示的喹唑啉衍生物或其药用盐可用于治疗消化性溃疡,其中:##STR1## R.sub.1和R.sub.2分别为氢或C.sub.1-C.sub.4烷基;R.sub.3为氢或卤素;R.sub.4、R.sub.5、R.sub.6、R.sub.7、R.sub.8和R.sub.9,可以相同也可以不同,分别为氢、C.sub.1-C.sub.4烷基、环丙基或带有卤素的C.sub.1-C.sub.4烷基;R.sub.10为甲氧基。