参考文献:
Pinkus, George A. Sabesan, Arunachalam Journal of the Chemical Society, Perkin Transactions : Physical Organic Chemistry (97-999), 98 , p. 473 - 477
参考文献:
Heathcock, Clayton H. Buse, Charles T. Kleschick, William A. Pirrung, Michael C. Sohn, John E. Lampe, John Journal of Organic Chemistry, 98 , vol. 45, # 6 p. 66 - 8