This chemical is primarily used as a chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions. Its unique structure, featuring a di-tert-butylphosphanyl group and a sulfinamide moiety, makes it highly effective in controlling stereochemistry during the synthesis of complex organic molecules. It is often employed in enantioselective hydrogenation, carbon-carbon bond formation, and other transformations where high enantiomeric purity is required. Its application is significant in the pharmaceutical industry for the production of chiral drugs and intermediates, ensuring the desired biological activity and reducing unwanted side effects. Additionally, it is utilized in academic research to develop new catalytic methodologies and explore stereochemical outcomes in organic synthesis.