Fujita, Tomoyuki; Kamiyama, Hideo; Osawa, Yasushi; Kawaguchi, Hiroyuki; Kim, Bung Ju; Tatami, Atsushi; Kawashima, Wataru; Maeda, Tetsuo; Nakanishi, Atsushi; Morita, Hiroyuki
Tetrahedron, 2007 , vol. 63, # 32 p. 7708 - 7716