Used as a chiral building block in the synthesis of pharmaceutical intermediates, particularly in the development of fluorinated active pharmaceutical ingredients (APIs). Its stereochemistry and functional groups make it valuable for constructing complex molecules with high enantioselectivity. Commonly employed in the preparation of protease inhibitors and kinase inhibitors due to its ability to enhance metabolic stability and binding affinity. Also utilized in medicinal chemistry for structure-activity relationship (SAR) studies involving fluorinated analogs.