Asymmetric Conjugate Reduction of α,β-Unsaturated Esters with Chiral Rhodium(bisoxazolinylphenyl) Catalysts - Tsuchiya, Yasunori; Kanazawa, Yoshinori; Shiomi, Takushi; Kobayashi, Kazuki; Nishiyama, Hisao (Synlett, 2004)