Kornilov, A. N.; Sorochinskii, A. E.; Yagupol'skii, Yu. L.; Kukhar', V. P. Journal of Organic Chemistry USSR (English Translation), 1988 , vol. 24, # 6 p. 1210 - 1211 Zhurnal Organicheskoi Khimii, 1988 , vol. 24, # 6 p. 1343 - 1344