Held, Ingmar; Larionov, Evgeny; Bozler, Christian; Wagner, Felicia; Zipse, Hendrik
Synthesis, 2009 , # 13 art. no. Z03409SS, p. 2267 - 2277

Turner, James A.
Journal of Organic Chemistry, 1983 , vol. 48, # 20 p. 3401 - 3408