Used as an intermediate in organic synthesis, particularly in the pharmaceutical industry for the preparation of nootropic and cognitive-enhancing agents. It serves as a protected or activated form of amino pyrrolidinone, facilitating peptide coupling and heterocyclic formation. Commonly employed in the development of racetam-class compounds due to its ability to modify amine reactivity and improve solubility during synthesis. Also utilized in research settings for labeling and derivatization of biomolecules.