Chiral (iminophosphoranyl)ferrocenes: highly efficient ligands for rhodium- and iridium-catalyzed enantioselective hydrogenation of unfunctionalized olefins Thanh Thien Co and Tae-Jeong Kim
Chem.Commun., 2006, 3537–3539
Abstract:
A series of chiral (iminophosphoranyl)ferrocenes (1–3) are highly efficient ligands for Rh- and Ir-catalyzed hydrogenation of a number of unfunctionalized olefins; almost perfect enantiomeric excesses (up to 99% ee) have been achieved under mild reaction conditions.