参考文献

Kozaki, Masatoshi; Nakamura, Shogo; Sato, Kazunobu; Takui, Takeji; Kamatani, Takeaki; Oda, Masaji; Tokumaru, Katsumi; Okada, Keiji Tetrahedron Letters, 1998 , vol. 39, # 33 p. 5979 - 5982