Widely used as a chiral ligand in asymmetric catalysis, this compound plays a key role in enantioselective hydrogenation reactions. It is particularly effective in the synthesis of chiral amines, amino acids, and other fine chemicals where high enantiomeric excess is required. Its rigid pyrrolidine backbone and two diphenylphosphino groups enable strong coordination to transition metals like rhodium, ruthenium, and iridium, forming highly selective catalysts. Due to its Boc-protected amine, it also allows for further functionalization or immobilization on solid supports for use in heterogeneous catalysis. Commonly applied in pharmaceutical manufacturing and academic research for developing asymmetric synthetic routes.