Used as a high-performance ligand in palladium-catalyzed cross-coupling reactions, particularly in Suzuki-Miyaura and Buchwald-Hartwig aminations. Its robust triazine core and phosphine oxide groups enhance thermal stability and metal coordination, improving catalytic efficiency and selectivity. Commonly applied in the synthesis of pharmaceuticals and advanced organic materials where strong electron-withdrawing properties and resistance to decomposition are required. Also employed in optoelectronic material research due to its ability to stabilize reactive intermediates and support charge transport in thin-film devices.