Bushell, Simon M.; Crump, J. Paul; Lawrence, Nicholas J.; Pineau, Guillaume
Tetrahedron, 1998 , vol. 54, # 10 p. 2269 - 2274

Berglund, Per; Vallikivi, Imre; Fransson, Linda; Dannacher, Heinz; Holmquist, Mats; Martinelle, Mats; Bjoerkling, Fredrik; Parve, Omar; Hult, Karl
Tetrahedron Asymmetry, 1999 , vol. 10, # 21 p. 4191 - 4202

Hill et al.
Journal of the American Chemical Society, 1951 , vol. 73, p. 1663

Bushell, Simon M.; Crump, J. Paul; Lawrence, Nicholas J.; Pineau, Guillaume
Tetrahedron, 1998 , vol. 54, # 10 p. 2269 - 2274