Used as a key intermediate in the synthesis of biologically active compounds, particularly in pharmaceutical development. Its protected amine group and ester functionalities allow selective reactions in peptide and peptidomimetic synthesis. Commonly employed in the construction of complex molecules where controlled functional group manipulation is required. The Boc-protected amine enables stepwise assembly of multi-step organic syntheses, especially in drug discovery for building blocks of protease inhibitors and other therapeutic agents. Its diester structure can be selectively hydrolyzed or coupled to other moieties, making it valuable in medicinal chemistry for optimizing solubility and reactivity during synthesis.