Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other bioactive molecules. Its protected amine and carboxylic acid functionalities make it ideal for peptide coupling and solid-phase synthesis. Commonly employed in the preparation of intermediates for drugs targeting viral infections, cardiovascular diseases, and neurological disorders. The Boc-protected amino group allows for controlled deprotection under mild acidic conditions, enabling selective reactions in multi-step organic syntheses.