Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of biologically active molecules such as protease inhibitors and other therapeutic agents. Its structure allows for selective modification in peptide-based drug design, making it valuable in medicinal chemistry for introducing specific functional groups. Commonly employed in solid-phase and solution-phase peptide synthesis due to the presence of the Boc-protected amine, which enables controlled deprotection and coupling steps. Also utilized in the preparation of enzyme inhibitors and receptor modulators in research settings.