This compound is primarily utilized as a chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions. Its application is significant in the synthesis of enantiomerically pure pharmaceuticals and fine chemicals, where it helps induce high enantioselectivity. The compound is often employed in asymmetric hydrogenation, allylic alkylation, and other carbon-carbon bond-forming reactions. Its unique structure, featuring a diphenylphosphino group and a sulfinamide moiety, allows for effective coordination with metal centers, enhancing catalytic efficiency and selectivity. Researchers value it for its ability to produce chiral intermediates with high optical purity, which are critical in the development of active pharmaceutical ingredients (APIs) and other biologically active molecules.