参考文献

Yokoyama, Hajime; Ejiri, Hiromi; Miyazawa, Masahiro; Yamaguchi, Seiji; Hirai, Yoshiro Tetrahedron Asymmetry, 2007, vol. 18, # 7 p. 852 - 856 doi: 10.1016/j.tetasy.2007.03.022