Used as a chiral building block in the synthesis of biologically active compounds, particularly in pharmaceutical development. Its protected hydroxyl and amine functionalities allow selective reactions, making it valuable in constructing complex molecules. Commonly employed in the preparation of protease inhibitors and other therapeutic agents where stereochemistry plays a critical role in biological activity. The Boc-protected amine ensures stability during multi-step syntheses, while the hydroxymethyl group can be further modified to introduce diverse side chains. Widely utilized in medicinal chemistry for drug discovery programs targeting central nervous system disorders and metabolic diseases.