Compounds of the formula ##STR1## the pharmaceutically acceptable salts thereof wherein R.sup.2, R.sup.3, R.sup.4, m, X and Q are as defined below, and novel intermediates used in the synthesis of such compounds. The compounds of formula I are inhibitors of acyl coenzyme A: cholesterol acyltransferase (ACAT) and are useful as hypolipidemic and antiatherosclerosis agents.
                            公式为## STR1 ##的化合物及其药学上可接受的盐,其中R.sup.2,R.sup.3,R.sup.4,m,X和Q的定义如下,并且在合成此类化合物中使用的新型中间体。公式I的化合物是酰基
辅酶A:
胆固醇酰基转移酶(ACAT)的
抑制剂,可用作降脂和抗动脉粥样硬化剂。