Hussain, Helmi H.; Babic, Gordana; Durst, Tony; Wright, James S.; Flueraru, Mihaela; Chichirau, Alexandru; Chepelev, Leonid L. Journal of Organic Chemistry, 2003, vol. 68, # 18 p. 7023 - 7032 doi: 10.1021/jo0301090