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 medicinal chemistry for constructing complex cyclic structures with defined spatial orientation. Also utilized in the preparation of peptidomimetics due to the pyrrolidine backbone mimicking natural amino acid conformations.