Used as a chiral building block in the synthesis of pharmaceuticals and biologically active compounds. Its structure allows for selective functionalization, making it valuable in asymmetric synthesis. Commonly employed in the development of protease inhibitors and other therapeutic agents where stereochemistry plays a critical role. The Boc-protected amine and ketone functionality enable sequential deprotection and coupling reactions, facilitating its incorporation into complex molecules. Widely utilized in medicinal chemistry for lead optimization and in the preparation of cyclic amino acid analogs.