Noyori hydrogenation
T. Ikariya et al.Chem. Commun. 1985, 922
R. Noyori et al., J. Am. Chem. Soc. 108, 7117 (1986)
M. Kitamura et al., Org. Syn. 71, 1 (1993)
M. Kitamura et. al., J. Org Chem. 59, 297 (1994)
H. Takaya et al., Adv. Chem. Ser. 230, 123-142 (1992)
R. Noyori, Asymmetric Catalysis in Organic Synthesis (John Wiley
& Sons, New York, 1994)pp 16-94