A tetrazoleacetic acid derivative represented by the following general Formula (I):
[in Formula (I), R¹ represents a hydrogen atom or a lower alkyl group; R², R³ and R⁴ are the same or different from each other and are selected from the group consisting of a hydrogen atom, a lower alkyl group, a halogen atom and a lower alkoxy group; X is an oxygen atom or a sulfur atom; and the tetrazole group may substituent may be present arbitrarily at the 2-,3-,4-,5-,6- and 7-position of the benzofurane or benzothiophene ring] or a salt thereof shows excellent aldose reductase inhibitory activity, has low toxicity to organisms and is quite effective as an essential component of a preventive medicine and/or remedy for diabetic complications.
由以下通式 (I) 代表的
四唑乙酸衍
生物:
式(I)中,R¹代表氢原子或低级烷基;R²、R³和R⁴彼此相同或不同,选自由氢原子、低级烷基、卤素原子和低级烷氧基组成的组;X为氧原子或
硫原子;
四唑基团的取代基可以任意存在于
苯并呋喃或
苯并噻吩环的 2-、3-、4-、5-、6-和 7-位]或其盐具有优异的醛糖还原酶抑制活性,对
生物毒性低,作为糖尿病并发症的预防药物和/或治疗药物的重要组成部分非常有效。