Conformational restriction of previously disclosed acyclicdiphenylethyl)diphenylacetamidesled to the discovery of several potent inhibitors of acylCoA:cholesterol acyltransferase (ACAT).
cis-[2-(4-Hydroxyphenyl)-1-indanyl]diphenylacetamide(
4a) was the most potent ACAT inhibitoridentified (IC
50 = 0.04
M in an
in vitrorat hepatic microsomal ACAT assay, ED
50 =0.72mg/kg/day in cholesterol-fed hamsters).