Used as a highly effective ligand in homogeneous catalysis, particularly in palladium-catalyzed cross-coupling reactions such as Suzuki, Heck, and Negishi couplings. Its tetradentate phosphine structure provides exceptional stability to metal complexes, enhancing catalytic activity and selectivity. Commonly employed in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals where high catalyst efficiency and turnover are required. Also utilized in the development of advanced materials and organometallic complexes for industrial and academic research applications.