Hardy, Kenneth D.; Harrington, Frank P.; Stachulski, Andrew V.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1984 , # 6 p. 1227 - 1236
Yang, Jianxin; Zhao, Kang; Gong, Youxiang; Vologodskii, Alexander; Kallenbach, Neville R.
Journal of the American Chemical Society, 1998 , vol. 120, # 41 p. 10646 - 10652