This chemical is primarily utilized as a chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions. Its unique structure, featuring a di-tert-butylphosphine group and a sulfinamide moiety, makes it highly effective in controlling stereoselectivity. It is often employed in the synthesis of enantiomerically pure compounds, which are crucial in the production of pharmaceuticals, agrochemicals, and fine chemicals. The ligand’s ability to induce high enantioselectivity in reactions such as hydrogenation, cross-coupling, and allylic substitution makes it valuable in developing chiral intermediates for drug discovery and manufacturing processes. Additionally, its stability and robustness under various reaction conditions enhance its utility in industrial-scale applications.