Used as a specialized ligand in transition metal catalysis, particularly in palladium-catalyzed cross-coupling reactions. Its phosphine group coordinates effectively with metals, enhancing catalytic activity and selectivity. The methyl ester and phenyl groups provide steric bulk and electronic tuning, making it suitable for reactions requiring high precision, such as C–C bond formation in pharmaceutical and fine chemical synthesis. Solubility in common organic solvents allows for broad reaction compatibility.