参考文献

Ueki, Toshihiko; Ichinari, Daisuke; Yoshihara, Kazuo; Morimoto, Yoshiki; Kinoshita, Takamasa Tetrahedron Letters, 1998, vol. 39, # 7 p. 667 - 668 doi: 10.1016/S0040-4039(97)10713-4