1. E. V. Gromachevskaya, I. S. Arustamova, A. G. Sakhatbutdinov, and V. G. Kul'nevich, Khim. Geterotsikl. Soedin., No. 12, 1670 (1988).
2. E. V. Gromachevskaya, V. G. Kul'nevich, T. P. Kosulina, and V. S. Pustovarov, Khim. Geterotsikl. Soedin., No. 6, 842 (1988).
3. E. V. Gromachevskaya, V. S. Loginova, and A. A. Kovaleva, in: Chemistry and Technology of Furan Compounds: An Interinstitute Collection of Scientific Papers [in Russian], Krasnodar. Politekh. Inst., Krasnodar (1987), p. 45.
4. W. Holly and C. J. Cope, J. Chem. Soc., 66, 1875 (1944).
5. F. Eiden, K. Schnabel, and H. Wiedemann, Archiv Pharm., 307, 204 (1974).