Matsumura, Yasushi; Shimada, Toyomichi; Nakayama, Toshiaki; Urushihara, Masahiro; Asai, Tomoyuki; et al.
Tetrahedron, 1995 , vol. 51, # 32 p. 8771 - 8782

Matsumura, Yasushi; Shimada, Toyomichi; Wang, Shu-Zhong; Asai, Tomoyuki; Morizawa, Yoshitomi; Yasuda, Arata
Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 12 p. 3523 - 3531