Shestopalov, A. M.; Promonenkov, V. K.; Sharanin, Yu. A.; Rodinovskaya, L. A.; Sharanin, S. Yu. Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, # 7 p. 1382 - 1401 Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 7 p. 1517 - 1538