Widely used as a chiral ligand in asymmetric catalysis, this compound plays a key role in enantioselective transformations such as hydrogenation, hydroformylation, and C–C bond formation reactions. Its rigid oxazoline backbone and stereogenic center enable high stereocontrol, making it valuable in the synthesis of optically active pharmaceuticals and fine chemicals. The diphenylphosphino group coordinates effectively with transition metals like rhodium, ruthenium, and palladium, forming catalytically active complexes. Due to its strong chelating properties and stability under various reaction conditions, it is preferred in industrial and academic research settings for developing efficient asymmetric processes.