Compounds of the formula ##STR1## wherein R.sup.21 and R.sup.22 are as defined in the specification which are intermediates useful in the preparation of compounds of the formula ##STR2## and the pharmaceutically acceptable salts thereof, wherein Q and R.sup.1 are as defined in the specification. The compounds of formula I are inhibitors of acyl coenzyme A: cholesterol acyltransferase (ACAT) and are useful as hypolipidemic and antiatherosclerosis agents.
式为## STR1##的化合物,其中R.sup.21和R.sup.22如规范中定义,这些化合物是制备式为## STR2##及其药学上可接受的盐的中间体,其中Q和R.sup.1如规范中定义。式I的化合物是酰
辅酶A:
胆固醇酰基转移酶(ACAT)的
抑制剂,并且可用作降脂和抗动脉粥样硬化剂。