This chemical is primarily used as a chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions. It is highly effective in facilitating enantioselective transformations, such as hydrogenation, carbon-carbon bond formation, and other stereospecific processes. Its unique spirobiindane backbone and phosphine groups provide excellent steric and electronic properties, making it suitable for producing chiral compounds with high enantiomeric purity. These compounds are crucial in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals, where stereochemistry plays a vital role in biological activity and efficacy. Additionally, its stability and selectivity make it a valuable tool in academic and industrial research for developing new catalytic methodologies.