Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors and other biologically active molecules. Its structure allows for selective modification in peptide-based drug design, making it valuable in medicinal chemistry for creating analogs with enhanced stability and binding affinity. Commonly employed in solid-phase and solution-phase organic synthesis due to the presence of both carboxylic acid and protected amine functionalities, enabling stepwise assembly of complex molecules.