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 highly effective in palladium-catalyzed asymmetric allylic alkylation and other cross-coupling reactions where control of stereochemistry is critical. The bulky tert-butyl groups and the rigid backbone enhance stereoselectivity by creating a well-defined chiral environment around the metal center. Its sulfinamide moiety allows for easy handling and purification, making it a practical choice in synthetic organic chemistry. It is often employed in the synthesis of pharmaceuticals and fine chemicals where high enantiomeric excess is required.