Diesters of zaragozic acid A were synthesized and tested in rat liver
squalene synthase and oral mouse cholesterol biosynthesis assays. Of t
hese, 3-isopentyl-4-pivaloyloxymethyl and 3-isopentyl-4-acetoxymethyl
esters gave ED(50)'s of 9 mg/kg and 6 mg/kg, respectively, in the oral
mouse assay.