Tajbakhsh, Mahmood; Lakouraj, Moslem-Mansor; Gholami, Mohammad-Hosein; Ramzanian-Lehmali, Farhad
Phosphorus, Sulfur and Silicon and the Related Elements, 2004 , vol. 179, # 9 p. 1731 - 1736

Bancerz, Matthew; Prack, Ernest; Georges, Michael K.
Tetrahedron Letters, 2012 , vol. 53, # 31 p. 4026 - 4029