Used as an intermediate in the synthesis of biologically active compounds, particularly in the development of pharmaceuticals and agrochemicals. Its structure allows for the introduction of amine and amide functionalities, making it valuable in constructing peptide-like frameworks. Commonly employed in the preparation of enzyme inhibitors and receptor ligands due to its ability to mimic natural substrates. Also utilized in research settings for labeling and cross-linking biomolecules, aiding in the study of protein interactions and cellular pathways.