Widely used in peptide synthesis and medicinal chemistry as a chiral building block. Its protected amine and hydroxyl groups allow selective reactions, making it ideal for constructing complex molecules. Commonly employed in the development of protease inhibitors and other biologically active compounds. The stereochemistry supports high selectivity in asymmetric synthesis, enhancing drug potency and reducing side effects. Also utilized in the preparation of cyclic peptides and peptidomimetics for pharmaceutical research.