Kotake, Tomoya; Hayashi, Yoshio; Rajesh; Mukai, Yoshie; Takiguchi, Yuka; Kimura, Tooru; Kiso, Yoshiaki Tetrahedron, 2005, vol. 61, # 15 p. 3819 - 3833 doi: 10.1016/j.tet.2005.01.135