This chemical is primarily used as a ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions. Its unique structure, featuring bulky tert-butyl groups and electron-withdrawing trifluoromethyl groups, makes it highly effective in controlling stereochemistry during catalytic processes. It is often employed in the synthesis of chiral compounds, such as pharmaceuticals and fine chemicals, where high enantioselectivity is crucial. The diphenylphosphino group enhances its ability to coordinate with metals, facilitating the formation of stable and active catalytic complexes. Its application is particularly notable in hydrogenation, cross-coupling, and other asymmetric transformations, contributing to the production of optically pure substances.