2-(4-Fluorophenyl)-5,5-dimethyl-1,3-dioxane-2-butanoic Acid

2-(4-Fluorophenyl)-5,5-dimethyl-1,3-dioxane-2-butanoic Acid is an intermediate in the synthesis of (3S,4S,3’S)-Ezetimbe (E975040), which is a 3-epimer impurity of Ezetimibe (E975000), a cholesterol absorption inhibitor.