Fukaminato, Tuyoshi; Umemoto, Tohru; Iwata, Yasuhide; Yokojima, Satoshi; Yoneyama, Mitsuru; Nakamura, Shinichiro; Irie, Masahiro Journal of the American Chemical Society, 2007, vol. 129, # 18 p. 5932 - 5938 doi: 10.1021/ja069131b