参考文献
Sakamoto, Masami; Aoyama, Hiromu; Omote, Yoshimori Tetrahedron Letters, 1986 , vol. 27, # 12 p. 1335 - 1338 Sakamoto, Masami; Watanbe, Shoji; Fujita, Tsutomu; Aoyama, Hiromu; Omote, Yoshimori Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 10 p. 2541 - 2546