参考文献

Takikawa, Hirosato; Muto, Shin-Etsu; Nozawa, Dai; Kayo, Akihiro; Mori, Kenji Tetrahedron Letters, 1998, vol. 39, # 38 p. 6931 - 6934 doi: 10.1016/S0040-4039(98)01456-7