This chemical is primarily utilized as a chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions. Its unique structure, featuring a spirobiindane backbone and a diphenylphosphino group, makes it highly effective in inducing enantioselectivity. It is commonly employed in hydrogenation reactions, where it helps produce chiral molecules with high enantiomeric excess. Additionally, it is used in cross-coupling reactions, such as Suzuki-Miyaura and Heck reactions, to synthesize complex organic compounds with precise stereochemistry. Its application extends to the pharmaceutical industry, where it aids in the production of enantiomerically pure drugs and intermediates. The ligand's stability and selectivity make it a valuable tool in organic synthesis for creating high-value chiral products.