Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and antidiabetic agents. Its structure allows for selective functionalization, making it valuable in constructing complex molecules with chiral centers. Commonly employed in peptide mimetics and drug design where stereochemistry and functional group compatibility are critical. The Boc-protected amine and nitrile group enable sequential deprotection and coupling reactions, ideal for solid-phase and solution-phase synthesis in medicinal chemistry.