1. Rowe, F.M., Adams, D.A.W., Peters, A.T., and Gillam, J.M., J. Chem. Soc., 1937, p. 90.
2. King, F.D., J. Chem. Soc., Perkin Trans. I, 1988, p. 3381.
3. Razvi, M. and Ramalingam, T., Indian, J. Chem. B, 1992, vol. 31, p. 788.
4. Kuznetsov, V.A., Shubin, K.M., and Petrov, M.L., Zh. Org. Khim., 2004, vol. 40, p. 1746.
5. Maaskant, L. and Deliddo, F., Gazz. Chim. Ital., 1933, vol. 63, p. 612.