Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) requiring high enantiomeric purity. Its trifluoromethyl group enhances metabolic stability and lipophilicity, making it valuable in drug design for improved bioavailability and binding affinity. Commonly employed in asymmetric synthesis and catalysis, it serves as a precursor for anticoagulants, antiviral agents, and central nervous system drugs. Also utilized in the preparation of chiral ligands and organocatalysts for stereoselective transformations.