Used primarily as a chemical intermediate in organic synthesis, particularly in the preparation of pharmaceuticals and agrochemicals. Its structure allows for functionalization at multiple sites, making it valuable in the development of cyclic compounds and heterocyclic derivatives. Commonly employed in the synthesis of bioactive molecules, including proline analogs and peptide mimetics, due to its resemblance to natural amino acid frameworks. Also utilized in the production of specialty polymers and as a building block in combinatorial chemistry for drug discovery.