Akabori, Sadatoshi; Takanohashi, Yoshinori
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 2 p. 479 - 482

Shalev, Deborah E.; Chiacchiera, Stella M.; Radkowsky, Annette E.; Kosower, Edward M.
Journal of Organic Chemistry, 1996 , vol. 61, # 5 p. 1689 - 1701

Brown, Herbert C.; Narasimhan, S.; Choi, Yong Moon
Synthesis, 1981 , # 6 p. 441 - 442