1. Dhar, D.N. and Lal, J.B., J. Org. Chem., 1958, vol. 23, p. 1159.
2. Fujise, S. and Tatsuta, H. J. Chem. Soc. Jpn., 1942, vol. 63, p. 632.
3. Daskiewicz, J.B., Comte, G., Barron, D., Di Pietro, A., and Thomasson, F., Tetrahedron Lett., 1999, vol. 40, p. 7095.
4. Sutariya, B., Raziya, S.K., Mohan, S., and Sambasiva, S.V., Indian, J. Chem., 2007, vol. 46B, p. 884.
5. Barral, K., Moorhouse, A.D., and Moses, J.E., Org. Lett., 2007, vol. 9, p. 1809.