Niida, Ayumu; Mizumoto, Makiko; Narumi, Tetsuo; Inokuchi, Eriko; Oishi, Shinya; Ohno, Hiroaki; Otaka, Akira; Kitaura, Kazuo; Fujii, Nobutaka Journal of Organic Chemistry, 2006, vol. 71, # 11 p. 4118 - 4129 doi: 10.1021/jo060202z