Used as an intermediate in pharmaceutical synthesis, particularly in the development of bioactive molecules and drug candidates. Its structure supports the introduction of sterically hindered amine functionalities, which can enhance metabolic stability and binding selectivity in medicinal chemistry. Commonly employed in the preparation of protease inhibitors and receptor modulators due to the stability provided by the tert-butyl carbamate (Boc) protecting group. Also utilized in solid-phase synthesis and combinatorial chemistry for generating compound libraries.