Widely used as a chiral ligand precursor in asymmetric catalysis, this compound plays a key role in enantioselective transformations such as hydrogenation, cross-coupling, and C–H activation reactions. Its phosphine group coordinates effectively with transition metals like palladium, rhodium, and ruthenium, forming catalysts that deliver high enantioselectivity. Particularly valuable in pharmaceutical synthesis, it enables the production of single-enantiomer intermediates where stereochemical purity is critical. The sulfinamide moiety allows for easy modification and tuning of steric and electronic properties, enhancing catalyst performance across a range of reaction conditions. Its robustness and versatility make it a preferred choice in both academic research and industrial drug development processes.