(1R,2R)-2-(Diphenylphosphino)-2,3-dihydro-1H-inden-1-amine is primarily used as a chiral ligand in asymmetric catalysis. Its application is significant in the synthesis of enantiomerically pure compounds, which are crucial in the pharmaceutical industry for producing drugs with high specificity and reduced side effects. This compound is particularly effective in transition metal-catalyzed reactions, such as hydrogenation, where it helps in achieving high enantioselectivity. Additionally, it is employed in the development of new catalytic processes for organic synthesis, contributing to the advancement of green chemistry by enabling more efficient and sustainable chemical reactions.