Used as a key intermediate in the synthesis of ligands for metal-catalyzed reactions, particularly in the development of ruthenium-based catalysts for solar energy conversion and electrochemical applications. Its functional groups allow for easy modification and coordination with metal centers, making it valuable in designing complexes for dye-sensitized solar cells (DSSCs) and photocatalytic systems. Also employed in the preparation of luminescent materials and sensors due to its ability to enhance electronic properties when chelated with transition metals.