Kanomata, Nobuhiro; Yamada, Shinsuke; Ohhama, Takayuki; Fusano, Akira; Ochiai, Yoshiharu; Oikawa, Jun; Yamaguchi, Masahiro; Sudo, Fumio
Tetrahedron, 2006 , vol. 62, # 17 p. 4128 - 4138