Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of bioactive molecules and drug candidates. Its free hydroxyl and Boc-protected amine functionalities make it valuable in selective reactions such as peptide coupling and asymmetric synthesis. Commonly employed in medicinal chemistry for constructing complex heterocyclic systems, especially in protease inhibitors and central nervous system agents. The Boc-protected group allows for selective deprotection under mild conditions, enabling stepwise assembly of multi-functional molecules.