参考文献

Nuijens, Timo; Kruijtzer, John A.W.; Cusan, Claudia; Rijkers, Dirk T.S.; Liskamp, Rob M.J.; Quaedflieg, Peter J.L.M. Tetrahedron Letters, 2009 , vol. 50, # 23 p. 2719 - 2721