Widely used as a tridentate ligand in coordination chemistry, enabling the formation of stable complexes with transition metals. These complexes are applied in catalysis, particularly in reactions such as C–H activation and oxidation processes. Its rigid structure enhances selectivity and stability in metal-catalyzed transformations. Also employed in the development of luminescent materials and sensors due to its ability to chelate metal ions that exhibit photophysical properties. Additionally, it serves as a building block in supramolecular chemistry for constructing metallo-receptors and molecular architectures.