Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of bioactive molecules and drug candidates. Its structure allows for selective functionalization, making it valuable in medicinal chemistry for constructing complex nitrogen-containing heterocycles. Commonly employed in alkylation reactions due to the reactive iodomethyl group, it enables the introduction of pyrrolidine moieties into target molecules. Widely applied in research settings for the preparation of protease inhibitors, receptor agonists, and other therapeutic agents.