参考文献:
Keana, John F. W. Heo, Gwi Suk Mann, Jeffry S. Nice, Faith L. Van Lex, Laszlo et al. Journal of Organic Chemistry, 1988 , vol. 5, # 1 p. 2268 - 2274
参考文献:
Fraile, Jose M. Le Jeune, Karel Mayoral, Jose A. Ravasio, Nicoletta Zaccheria, Federica Organic and Biomolecular Chemistry, 21 , vol. 11, # 26 p. 427 - 42