1. Avetisyan, A.A. and Togmadzhyan, G.G., Arm. Khim. Zh., 1993, vol. 46, nos. 3–4, p.219.
2. Villemin, D. and Liao, L., Tetrahedron Lett., 1996, vol. 37, p. 8733.
3. Lorenzo, M., Brito, I., and Cueto, M., Org. Lett., 2006, vol. 8, no. 22, p. 5001.
4. Mashkovskii, M.D., Lekarstvennye sredstva (Medicines), Moscow: Novaya Volna, 2017, 16th ed.
5. Zhang, R., Chan, D., Jessica, Sh., Iskander, G., Black, StC.D., and Kumar, N., Arkivoc, 2009, part (v), p.102.