Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of bioactive molecules and heterocyclic compounds. Its structure allows for selective functionalization, making it valuable in medicinal chemistry for constructing pyrrolidine and proline-derived scaffolds. Commonly employed in multi-step organic syntheses where protection of nitrogen and controlled ring modification are required. Widely applied in research settings for the preparation of enzyme inhibitors, receptor ligands, and other biologically active agents.