1. Nicolaou, K.C., Sorensen, E.J.: Classics in total synthesis: targets, strategies methods. Wiley, New York (1996)
2. Nicolaou, K.C., Snyder, S.A.: Classics in total synthesis II: more targets, strategies methods. Wiley, New York (2003)
3. Nicolaou, K.C.: Tetrahedron 59, 6683 (2003)
4. Seebach, D.: Angew. Chem. Int. Ed. 29, 1320 (1990)
5. Yamaguchi, J., Yamaguchi, A.D., Itami, K.: Angew. Chem. Int. Ed. 51, 8960 (2012)