(2S,4S)-Pentane-2,4-diylbis(bis(4-(tert-butyl)phenyl)phosphine)
(2S,4S)-Pentane-2,4-diylbis(bis(4-(tert-butyl)phenyl)phosphine) 1g : Highly sterically hindered chiral bisphosphine ligand for enantioselective catalysis, ideal for asymmetric hydrogenation and allylic substitution reactions.