Used as a highly efficient hypervalent iodine reagent in organic synthesis, particularly for electrophilic arylations. It enables the transfer of the 4-(ethoxycarbonyl)phenyl group under mild conditions, with the mesityl group serving as a non-transferring ligand, making it valuable in pharmaceutical and agrochemical research. Commonly employed in metal-free coupling reactions, it serves as an arylating agent for heteroarenes, enolates, and other nucleophiles. Its tetrafluoroborate salt enhances stability and solubility in polar solvents, supporting applications in both batch and flow chemistry. Also utilized in photoinduced reactions where it acts as a precursor for aryl radical generation, enabling C–H functionalization and late-stage modifications in complex molecule synthesis.