Used in organic synthesis as an intermediate for pharmaceuticals, particularly in the development of cysteine protease inhibitors. Its chiral structure makes it valuable in asymmetric synthesis, where stereochemistry is critical for biological activity. Commonly employed in the preparation of peptide mimetics and enzyme inhibitors, especially in research targeting viral proteases and inflammatory pathways. The benzamido and thioester functionalities allow for selective transformations and conjugation in multi-step synthetic routes.