Used as a key chiral intermediate in the synthesis of pharmaceutical agents, particularly in the development of protease inhibitors and other bioactive molecules. Its protected amine and functionalized piperidine backbone make it valuable in medicinal chemistry for constructing complex, stereochemically defined drug candidates. Commonly employed in the preparation of antiviral and anticancer compounds where precise stereochemistry is critical for biological activity. The tert-butyl and methyl ester groups allow for selective deprotection and further derivatization in multi-step synthetic routes.