A New Optically Active Monodentate Phosphine Ligand, (R)-(+)-3-Diphenylphosphino-3′-methoxy-4,4′-biphenanthryl (MOP-phen): Preparation and Use for Palladium-Catalyzed Asymmetric Reduction of Allylic Esters with Formic Acid - Hayashi, Tamio; Iwamura, Hiroshi; Uozumi, Yasuhiro; Matsumoto, Yonetatsu; Ozawa, Fumiyuki (Synthesis, 1994)