Shishkin, V. N.; Tanaseichuk, B. S.; Lapin, K. K.; Ivkina, A. A.; Butin, K. P.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, p. 2357 - 2366
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 12 p. 2588 - 2599

Shishkin, V. N.; Tanaseichuk, B. S.; Lapin, K. K.; Ivkina, A. A.; Butin, K. P.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, p. 2357 - 2366
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 12 p. 2588 - 2599

Xiao, Zhu-Ping; Wang, Ying-Chun; Du, Gao-Yu; Wu, Jun; Luo, Tao; Yi, Shou-Fu Synthetic Communications, 2010 ,  vol. 40,  # 5  p. 661 - 665