(4S)-3-[4-[2-(4-Fluorophenyl)-5,5-dimethyl-1,3-dioxan-2-yl]-1-oxobutyl]-4-phenyl-2-oxazolidinone is an intermediate in the synthesis of (3’R,3R,4R)-Ezetimibe (E974990), a structural analog of Ezetimibe (E975000). Ezetimibe is an antihyperlipoproteinemic and a cholesterol absorption inhibitor.