Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other biologically active compounds. Its structure supports the formation of peptide-like chains with defined stereochemistry, making it valuable in medicinal chemistry for designing drugs with high selectivity and potency. Commonly employed in solid-phase and solution-phase peptide synthesis due to the stability and ease of deprotection of the tert-butoxycarbonyl (Boc) group. Also utilized in the preparation of enzyme inhibitors where precise spatial arrangement of functional groups is critical for activity.