申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US05047411A1
公开(公告)日:1991-09-10
The benzazole compounds of this invention can be represented by the following formula [I]: ##STR1## wherein R.sup.1 is aryl or a heterocyclic group, each of which may have suitable substitutent(s), R.sup.2 is hydroxy, mercapto, lower alkylthio, sulfo, lower alkyl, amino or substituted amino, R.sup.3 is hydrogen, halogen or lower alkoxy, A is lower alkenylene, lower alkylene optionally substituted with hydroxy, or a group of the formula: --A'--Q--A"--, in which A' is lower alkylene, A" is lower alkylene or a single bond, and Q is O or S, and X is O, S, NH or N--R.sup.4, in which R.sup.4 is lower alkyl, More particularly, it relates to benzazole compounds and pharmaceutically acceptable salts thereof which have antiulcer activity and H.sub.2 -receptor antagonism, to processes for the preparation thereof, to a pharmaceutical composition comprising the same and to a method for the treatment of ulcers in human being or animals.
本发明的苯并咪唑化合物可以表示为以下公式[I]:##STR1##其中R.sup.1是芳基或杂环基,每个基团可以具有适当的取代基,R.sup.2是羟基,巯基,较低烷基硫,磺酸,较低烷基,氨基或取代氨基,R.sup.3是氢,卤素或较低烷氧基,A是较低烯基,较低烷基可选地取代羟基,或公式为:--A'--Q--A"--的基团,在其中A'是较低烷基,A"是较低烷基或单键,Q是O或S,X是O,S,NH或N--R.sup.4,其中R.sup.4是较低烷基。更具体地,本发明涉及具有抗溃疡活性和H.sub.2-受体拮抗作用的苯并咪唑化合物及其医药上可接受的盐,其制备方法,包括其的制药组合物以及用于治疗人或动物溃疡的方法。