1: H2 / rhodium cationic complex with (R)-1-<(S)-1',2-bis(diphenylphosphino)ferrocenyl>ethanol <(R)-(S)-BPPFOH> / benzene / 170 h / 20 °C / 3800 Torr 2: 1.) MeLi 2.) H3O(1+) / 1.) ether View Scheme