参考文献

Nishizawa, Mugio; Iyenaga, Tomoaki; Kurisaki, Takahiro; Yamamoto, Hirofumi; Sharfuddin, Mohammed; Namba, Kosuke; Imagawa, Hiroshi; Shizuri, Yoshikazu; Matsuo, Yoshihide Tetrahedron Letters, 2007 ,  vol. 48,  # 24  p. 4229 - 4233