Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of biologically active molecules and drug candidates. Its protected amine and hydroxyl functional groups allow selective reactions in multi-step organic syntheses. Commonly employed in medicinal chemistry for building constrained ring systems that enhance metabolic stability and receptor selectivity. Frequently found in routes to kinase inhibitors, CNS-active agents, and antiviral drugs. The Boc-protected amine enables easy deprotection under mild acidic conditions, making it compatible with a wide range of reaction sequences.