Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and antiviral agents. Its stereochemistry allows for selective interactions in biological systems, making it valuable in constructing complex drug molecules with high enantiomeric purity. Commonly employed in the preparation of HIV and HCV therapeutic agents due to its ability to mimic transition states in peptide bond hydrolysis. Also utilized in the synthesis of bioactive compounds requiring constrained piperidine scaffolds for enhanced metabolic stability and receptor binding affinity.