Widely used as a chiral ligand in asymmetric catalysis, this compound plays a key role in enantioselective transformations such as hydrogenation and cross-coupling reactions. Its phosphine group coordinates effectively with transition metals like rhodium and ruthenium, enabling high stereocontrol in the synthesis of chiral amines, pharmaceuticals, and fine chemicals. The sulfinamide moiety enhances chirality transfer, making it valuable in the development of asymmetric methodologies where high enantiomeric excess is required. It is particularly favored in research settings for designing complex molecule syntheses with precise stereochemical outcomes.