Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other biologically active compounds. Its stereochemistry makes it valuable for constructing complex molecules with high enantioselectivity. Commonly employed in medicinal chemistry for peptidomimetic design, where the pyrrolidine ring mimics proline to influence peptide conformation and stability. The Boc-protected amine and carboxylic acid functionalities allow for straightforward incorporation into larger molecular frameworks through standard coupling reactions. Also utilized in the preparation of enzyme inhibitors and central nervous system agents due to its structural rigidity and compatibility with diverse synthetic pathways.