Suenaga, Kiyotake; Mutou, Tsuyoshi; Shibata, Takunobu; Itoh, Takashi; Fujita, Tatsuya; Takada, Noboru; Hayamizu, Kozue; Takagi, Masaki; Irifune, Taiji; Kigoshi, Hideo; Yamada, Kiyoyuki Tetrahedron, 2004, vol. 60, # 38 p. 8509 - 8527 doi: 10.1016/j.tet.2004.06.125