Shinohara, Toshio; Wakita, Kazuhiko; Arai, Midori A.; Arai, Takayoshi; Sasai, Hiroaki
Heterocycles, 2003 , vol. 59, # 2 p. 587 - 593

Corey; Palani, Anandan
Tetrahedron Letters, 1995 , vol. 36, # 44 p. 7945 - 7948

Yanovskaya,L.A. et al.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1962 , # 12 p. 2093 - 2099
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1962 , # 12 p. 2189 - 2196