Synthesis of new chiral bis(triarylphosphine) ligands based on asymmetric hydrogenation of 4,5-diaryl-2-oxocyclopentanecarb oxylates

Article abstract of DOI:10.1016/S0040-4039(00)97275-7

New chiral bis(triarylphosphine) ligands, trans-bis(3-diphenylphosphinophenyl)cyclopentane and trans-bis(2-diphenylphosphinophenyl)cyclopentane, have been prepared in optically pure forms based on asymmetric hydrogenation of 4,5-diaryl-2-oxocyclopentaneca