参考文献

Tanaka, Hideo; Kameyama, Yutaka; Kosaka, Atsuko; Yamauchi, Takahito; Torii, Sigeru Tetrahedron Letters, 1991, vol. 32, # 50 p. 7445 - 7448 doi: 10.1016/0040-4039(91)80130-X