Korostova, S. E.; Sobenina, L. N.; Nesterenko, R. N.; Aliev, I. A.; Mikhaleva, A. I.
Journal of Organic Chemistry USSR (English Translation), 1984 , vol. 20, p. 1790 - 1793
Zhurnal Organicheskoi Khimii, 1984 , vol. 20, # 9 p. 1960 - 1964
Korostova, S. E.; Shevchenko, S. G.; Sigalov, M. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 2 p. 151 - 155
Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 2 p. 187 - 191
Chernyshev, E. A.; Komalenkova, N. G.; Sharapov, V. A.; Gusev, A. I.; Kisin, A. V.
J. Gen. Chem. USSR (Engl. Transl.), 1987 , vol. 57, # 8 p. 1730 - 1735,1544 - 1548
Barluenga, Jose; Aznar, Fernando; Liz, Ramon; Rodes, Rosa
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 2732 - 2737