1. S. I. Yakimovich and K. N. Zelenin, Zh. Obshch. Khim.,65, 705 (1995).
2. K. N. Zelenin, V. V. Alekseev, V. A. Khrustalev, S. I. Yakimovich, V. N. Nikolaev, and N. V. Koshmina, Zh. Org. Kh.,290, 180 (1984).
3. S. I. Yakimovich, L. A. Kayukova, and K. B. Erzhanov, Acylating Nitrogen Derivatives of Carbonyl Compounds [in Russian], Nauka, Alma-Ata (1985).
4. K. N. Zelenin, I. P. Bezhan, B. A. Ershov, and A. K. Zelenin, Tetrahedron,50, 11447 (1994).
5. K. N. Zelenin, B. A. Ershov, A. K. Zelenin, Yu. S. Sushkova, and V. V. Alekseev, Zh. Obshch. Khim.,66, 347 (1996).