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 and sulfinamide groups work in tandem to stabilize transition metal centers while providing high stereocontrol. It is particularly effective in rhodium- and ruthenium-catalyzed reactions where precise chirality transfer is required. Due to its rigid backbone and well-defined chiral environment, it delivers high enantiomeric excess in the synthesis of pharmaceutical intermediates and fine chemicals. The compound is also valued in academic and industrial research for developing new catalytic methodologies with improved selectivity and efficiency.