参考文献

Fujiwara, Shin-Ichi; Shin-Ike, Tsutomu; Sonoda, Noboru; Aoki, Minoru; Okada, Kazuhiro; Miyoshi, Noritaka; Kambe, Nobuaki Tetrahedron Letters, 1991 , vol. 32, # 29 p. 3503 - 3506