(3R,4R)-4-[4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]phenyl]-1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-oxopropyl]-2-azetidinone 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.