Used in the synthesis of pharmaceutical intermediates, particularly in the development of protease inhibitors and other biologically active compounds. Its chiral center and functional groups make it valuable in asymmetric synthesis, enabling the construction of complex molecules with high enantioselectivity. Commonly employed in medicinal chemistry for structure-activity relationship studies, especially in central nervous system agents and enzyme inhibitors. The Boc-protected amine allows for controlled deprotection and coupling in peptide-like frameworks, facilitating modular drug design.