Widely used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of antiviral and antidiabetic agents. Its protected amine and hydroxyl groups allow selective functionalization, making it valuable in asymmetric synthesis. Commonly employed in the preparation of protease inhibitors and enzyme modulators where stereochemistry is critical for biological activity. The tert-butyl carbamate (Boc) protection enables easy deprotection under mild acidic conditions, facilitating its use in multi-step organic syntheses. Preferred in medicinal chemistry for improving solubility and crystallinity of intermediates.