申请人:Meiji Seika Kabushiki Kaisha
公开号:US05141946A1
公开(公告)日:1992-08-25
Compounds of the general formula (I): ##STR1## and pharmaceutically acceptable salts thereof, in which A, B, C and D each represent --CH.dbd. or --N.dbd., with the proviso that at least one of them is --N.dbd.; X represents --NH--, --O-- or --S--; Y represents --(CH.sub.2).sub.p -- wherein p is an integer from 0 to 4, --C(CH.sub.3).sub.2 --, --CH.sub.2 CH.dbd.CH--, --CH.sub.2 CO--, --CF.sub.2 -- or --CH.sub.2 COCH.sub.2 --; R.sup.1 represents a hydrogen atom, a C.sub.1-4 alkyl group, a halogen atom or a C.sub.1-4 alkoxy group; R.sup.2 represnts a hydrogen atom, a hydroxyl group, a saturated or unsaturated C.sub.1-6 alkyl group, a C.sub.1-6 alkoxy group, a carboxyl group, a saturated or unsaturated C.sub.1-12 alkoxycarbonyl group which may be optionally substituted, a cycloalkoxycarbonyl group, a saturated or unsaturated five- or six-memebered heterocyclic group containing at least one nitrogen atom optionally with one or more nitrogen and/or oxygen atoms, which may be optionally condensed and/or substituted, --CONR.sup.3 R.sup.4, --NR.sup.3 R.sup.4, --OCOR.sup.3 or --NHCONHR.sup.3 wherein R.sup.3 and R.sup.4, which may be the same or different, represent a C.sub.1-6 alkyl group which may be optionally substituted or a cycloalkyl group, and m and n each represent an integrer from 0 to 2. The compounds are useful in treating ulcers.
通式(I)的化合物及其药学上可接受的盐,其中A,B,C和D分别表示--CH.dbd.或--N.dbd.,但至少其中一个为--N.dbd.;X表示--NH--,--O--或--S--;Y表示--(CH.sub.2).sub.p--,其中p为0至4的整数,--C(CH.sub.3).sub.2--,--CH.sub.2CH.dbd.CH--,--CH.sub.2CO--,--CF.sub.2--或--CH.sub.2COCH.sub.2--;R.sup.1表示氢原子,C.sub.1-4烷基,卤素原子或C.sub.1-4烷氧基;R.sup.2表示氢原子,羟基,饱和或不饱和的C.sub.1-6烷基,C.sub.1-6烷氧基,羧基,饱和或不饱和的C.sub.1-12烷氧羰基,其可以被选择性地取代,环状烷氧羰基,饱和或不饱和的含有至少一个氮原子的五元或六元杂环基,其可以被选择性地缩合和/或取代,--CONR.sup.3R.sup.4,--NR.sup.3R.sup.4,--OCOR.sup.3或--NHCONHR.sup.3,其中R.sup.3和R.sup.4,可以相同也可以不同,表示可以被选择性地取代的C.sub.1-6烷基或环状烷基,并且m和n分别表示0至2的整数。这些化合物可用于治疗溃疡。