Brezhneva, L. I.; Vasilevskaya, T. N.; Andrievskii, V. N.; Maksimov, I. E. Journal of Organic Chemistry USSR (English Translation), 1981 , vol. 17, p. 1723 - 1726 Zhurnal Organicheskoi Khimii, 1981 , vol. 17, p. 1930 - 1934