Used in peptide synthesis, particularly in the preparation of bioactive peptides that target neurological pathways due to the presence of the pyridinyl group. The Fmoc protection allows for solid-phase synthesis under mild basic conditions, making it compatible with a wide range of amino acid sequences. Its structure facilitates incorporation into peptide-based compounds for research in neuropharmacology, including studies on receptor binding and signal transduction. Commonly employed in the development of probes for studying protein–ligand interactions and in the design of enzyme inhibitors where aromatic and heteroaromatic side chains are required for activity.