1. A. G. Mikhailovskii and V. S. Shklyaev, Khim. Geterotsikl. Soedin., 291 (1997) [Chem. Heterocycl. Comp., 33, 243 (1997)].
2. K. V. Vatsuro and G. L. Mishchenko, Name Reactions in Organic Chemistry [in Russian], Khimiya, Moscow (1976).
3. V. G. Granik, Organic Chemistry: Nenicescu Reaction [in Russian], Vuzovskaya Kniga, Moscow (2003).
4. A. K. El-Shafei, A. Sultan, and G. Vernin, Heterocycles, 19, 333 (1982).
5. M. S. Gavrilov, B. B. Aleksandrov, V. S. Shklyaev, and Yu. V. Shklyaev, in: Abstracts of Second Regional Conference on Enamines in Organic Synthesis [in Russian], Urals Branch of the Academy of Sciences of the USSR, Perm (1991), p. 31.