參考文獻:
Krishnan, Shyam Bagdanoff, Jeffrey T. Ebner, David C. Ramtohul, Yeeman K. Tambar, Uttam K. Stoltz, Brian M. Journal of the American Chemical Society, 2008 , vol. 130, # 41 p. 13745 - 13754
參考文獻:
Shin, Hyunik Choi, Bo Seung Lee, Ki Kon Choi, Hyeong-Wook Chang, Jay Hyok Lee, Kyu Woong Nam, Do Hyun Kim, No-Soo Synthesis, 2004 , # 16 p. 2629 - 2632