Used as a chiral intermediate in the synthesis of pharmaceutical compounds, particularly in the development of protease inhibitors and other bioactive molecules. Its stereochemistry allows for selective reactions in asymmetric synthesis, making it valuable in creating enantiomerically pure drugs. Commonly employed in research settings for designing enzyme inhibitors due to the presence of functional groups that mimic natural substrates. The benzyl-protected amino group and tert-butyl ester provide stability during synthesis, enabling the construction of non-natural peptide analogs. Also utilized in medicinal chemistry for structure-activity relationship studies.