Used as an intermediate in the synthesis of pharmaceuticals and agrochemicals, particularly in the development of antimicrobial and antiviral agents. Its derivatives show potential in medicinal chemistry due to their biological activity, including kinase inhibition and anticancer properties. Also employed in materials science for the design of organic semiconductors and fluorescent dyes. The oxide group enhances reactivity and solubility, making it valuable in catalysis and as a building block in heterocyclic chemistry.