申请人:Nippon Shinyaku Co. Ltd.
公开号:US04769384A1
公开(公告)日:1988-09-06
Benzimidazole derivatives of the formula (I): ##STR1## or a pharmaceutically acceptable acid addition salt thereof wherein R.sup.1 is hydrogen or lower alkyl; R.sup.2 is ##STR2## or --C.tbd.C--Ar wherein Ar is phenyl unsubstituted or substituted by one to three substituents selected from the group consisting of halo, lower alkyl, hydroxy, unsubstituted or substituted lower alkoxy, aralkyloxy wherein the alkyl moiety is a lower alkyl moiety, lower alkenyloxy, lower alkynyloxy, difluoromethoxy, lower alkylamino, methylenedioxy, trifluoromethyl, cyano, lower alkylthio and lower alkylsulfinyl; R.sup.4, R.sup.5, R.sup.6 and R.sup.7 a hydrogen or lower alkyl or R.sup.4 and R.sup.5 together with the carbon atoms to which they are attached form a cyclopropyl ring; and R.sup.3 is hydrogen, lower alkyl, acyl or lower alkylsulphonyl are useful in the treatment of ulcers of the stomach and duodenum in humans and animals.
公式(I)的苯并咪唑衍生物:##STR1##或其药学上可接受的酸加合物盐,其中R.sup.1为氢或较低的烷基;R.sup.2为##STR2##或--C.tbd.C--Ar,其中Ar为苯基,未取代或经过一到三个取代基选择自卤素,较低的烷基,羟基,未取代或取代的较低烷氧基,较低烷基苯基氧基,较低烯基氧基,较低炔基氧基,二氟甲氧基,较低烷基氨基,亚甲二氧基,三氟甲基,氰基,较低烷硫基和较低烷基磺酰基;R.sup.4,R.sup.5,R.sup.6和R.sup.7为氢或较低的烷基,或R.sup.4和R.sup.5与它们连接的碳原子共同形成环丙烷环;R.sup.3为氢,较低的烷基,酰基或较低的烷基磺酰基。在治疗人类和动物的胃和十二指肠溃疡方面有用。