Topolski, M.; Rachon, J.
Phosphorus, Sulfur and Silicon and the Related Elements, 1991 , vol. 55, # 1-4 p. 97 - 110

Oi, Shuichi; Moro, Mitsutoshi; Fukuhara, Hiroe; Kawanishi, Takanori; Inoue, Yoshio
Tetrahedron Letters, 1999 , vol. 40, # 52 p. 9259 - 9262