Used as a key intermediate in organic synthesis, particularly in the preparation of pyrrolidine and pyrrolidine-based compounds which are common structural motifs in pharmaceuticals and natural products. Its reactivity allows for selective ring-opening and functionalization reactions, making it valuable in the development of bioactive molecules. Commonly employed in asymmetric synthesis and cyclization processes to construct nitrogen-containing heterocycles. Also utilized in the synthesis of protease inhibitors and other medicinal agents where controlled stereochemistry is required.