Zhang, Jie; Jiang, Jiewen; Li, Yuling; Wan, Xiaobing
Journal of Organic Chemistry, 2013 , vol. 78, # 22 p. 11366 - 11372

Iversen,P.E.
Acta Chemica Scandinavica (1947-1973), 1971 , vol. 25, p. 2337 - 2340