Used as an intermediate in organic synthesis, particularly in the preparation of pharmaceuticals and bioactive molecules. Its structure allows for selective functionalization at the 2 and 4 positions, making it valuable in constructing complex nitrogen-containing compounds. Commonly employed in the development of protease inhibitors and other therapeutic agents where pyrrolidine scaffolds are required. The Boc-protected amine enables controlled deprotection and coupling in multi-step syntheses, especially in peptide-like frameworks. Also utilized in combinatorial chemistry for generating compound libraries in drug discovery.