Widely used as a chiral ligand in asymmetric catalysis, this compound plays a key role in enantioselective transformations, particularly in transition metal-catalyzed reactions. It is especially effective in palladium-catalyzed allylic substitutions and other C–C bond-forming reactions where high enantioselectivity is required. The bulky tert-butyl groups and rigid backbone enhance stereocontrol, making it valuable in the synthesis of complex organic molecules, including pharmaceuticals and natural products. Its sulfinamide moiety aids in purification and facilitates recyclability in some synthetic routes. Commonly employed in research and industrial settings for asymmetric synthesis, it enables efficient access to single-enantiomer intermediates.