Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and antiviral agents. Its protected amine (tert-butyl carbamate) and free hydroxymethyl alcohol functionalities allow for selective modifications in multi-step organic syntheses. Commonly employed in medicinal chemistry for constructing complex molecules with high enantiomeric purity. Also utilized in the preparation of bioactive compounds where stereochemistry plays a critical role in biological activity.