Widely used as a tridentate ligand in coordination chemistry, this compound plays a key role in forming stable complexes with transition metals such as palladium, platinum, and rhodium. These complexes are highly effective catalysts in cross-coupling reactions, including Suzuki and Heck reactions, which are essential in pharmaceutical and agrochemical synthesis. Its ability to chelate metals with high stability enhances catalytic efficiency and selectivity. Additionally, it is employed in the development of homogeneous catalysts for hydrogenation and hydroformylation processes. The ligand’s rigid pyridine backbone and phosphine donor groups make it valuable in designing metalloenzymes and functional materials with specific electronic properties.