This chemical is primarily utilized as a chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions. Its structure, featuring a diphenylphosphino group and a chiral phenylethylamine moiety, makes it highly effective in inducing enantioselectivity. It is commonly employed in asymmetric hydrogenation, a process crucial for producing enantiomerically pure compounds in pharmaceuticals and fine chemicals. Additionally, it finds use in C-C bond-forming reactions, such as asymmetric allylic alkylation, where it helps achieve high stereocontrol. Its application extends to the synthesis of complex organic molecules, where precise chiral induction is essential.