Worlikar, Shilpa A.; Larock, Richard C.
Journal of Organic Chemistry, 2008 , vol. 73, # 18 p. 7175 - 7180

Chapman, James M.; Voorstad, P. Josee; Cocolas, George H.; Hall, Iris H.
Journal of Medicinal Chemistry, 1983 , vol. 26, # 2 p. 237 - 243