参考文献

Ohira, Susumu; Kuboki, Atsuhito; Hasegawa, Taisuke; Kikuchi, Takato; Kutsukake, Tatsuhiko; Nomura, Maki Tetrahedron Letters, 2002, vol. 43, # 26 p. 4641 - 4644 doi: 10.1016/S0040-4039(02)00857-2