Rosen, Terry; Lico, Isabella M.; Chu, Daniel T. W.
Journal of Organic Chemistry, 1988 , vol. 53, # 7 p. 1580 - 1582

Beinat, Corinne; Banister, Samuel D.; McErlean, Christopher S.P.; Kassiou, Michael Tetrahedron Letters, 2013 ,  vol. 54,  # 39  p. 5345 - 5347