Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of peptidomimetics and small molecule drugs. It plays a crucial role in the construction of cyclic peptide structures, enhancing their stability and bioavailability. Additionally, it is employed in the preparation of chiral catalysts and ligands for asymmetric synthesis, contributing to the production of enantiomerically pure compounds. Its tert-butoxycarbonyl (Boc) protecting group ensures selective reactivity during complex multi-step organic reactions, making it valuable in medicinal chemistry and drug discovery.