参考文献

Matsushita, Yoh-Ichi; Iwakiri, Yoshihisa; Yoshida, Satoru; Sugamoto, Kazuhiro; Matsui, Takanao Tetrahedron Letters, 2005, vol. 46, # 21 p. 3629 - 3632 doi: 10.1016/j.tetlet.2005.03.170