A novel benzothiazole or benzimidazole derivative represented by formula (I)
wherein X represents a sulfur atom or a NH group; R¹ represents a hydrogen atom, a lower alkoxy group, a chlorine atom, a bromine atom or an iodine atom; R² represents a hydrogen atom a substituted or unsubstituted lower alkyl group, a vinyl group, an aryl group or an acyl group; m is an integer of 0, 1 ior 2; and n is an integer of 0, 1 or 2, which shows an excellent acid secretion suppressing effect and gastric mucosa protecting effect, and an antiulcer agent containing the same as an active ingredient.
由式(I)代表的新型
苯并噻唑或
苯并咪唑衍
生物
其中 X 代表
硫原子或 NH 基团;R¹ 代表氢原子、低级烷氧基、
氯原子、
溴原子或
碘原子;R² 代表氢原子、取代或未取代的低级烷基、
乙烯基、芳基或酰基;m 是 0、1 或 2 的整数;n 是 0、1 或 2 的整数,具有极佳的抑制胃酸分泌和保护胃黏膜的效果,以及以其为活性成分的抗溃疡剂。