Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and antiviral agents. Its structure supports the formation of stereoselective bonds, making it valuable in creating biologically active molecules with high enantiomeric purity. Commonly employed in medicinal chemistry for optimizing drug candidates targeting hepatitis C and other viral diseases. Also utilized in the preparation of small molecule therapeutics where conformational rigidity and amine functionality are required.