A heterocyclic derivative of the formula (I)
wherein each symbol is as defined in the specification, and pharmaceutically acceptable salts thereof. The compound (I) of the present invention and pharmaceutically acceptable salts thereof exhibit superior ACAT inhibitory activity and lipoperoxidation inhibitory activity in mammals, and are useful as ACAT inhibitors and lipoperoxidation inhibitors. Specifically, they are useful for the prophylaxis and treatment of arteriosclerosis, hyperlipemia, arteriosclerosis in diabetes, and cerebrovascular and cardiovascular ischemic diseases.
式 (I) 的杂环衍
生物
其中各符号如说明书中所定义,及其药学上可接受的盐类。本发明的化合物(I)及其药学上可接受的盐在哺乳动物体内表现出优异的 ACAT 抑制活性和脂质过
氧化抑制活性,可用作 ACAT
抑制剂和脂质过
氧化
抑制剂。具体而言,它们可用于预防和治疗动脉硬化、高脂血症、糖尿病动脉硬化以及脑血管和心血管缺血性疾病。