1. M. B. Smith, J. March, March’s Advanced Organic Chemistry. Reactions, Mechanisms, and Structure, 6-th ed., John Wiley & Sons, Inc., Hoboken, New Jersey, 2007, pp. 1280–1281.
2. J. Clayden, N. Greeves, S. Warren, Organic Chemistry, 2-nd ed., Oxford University Press Inc., New York, 2012, p. 139.
3. D. P. Kjell, B. J. Slattery, M. J. Semo, J. Org. Chem., 1999, 64, 5722; DOI: https://doi.org/10.1021/jo990543v.
4. C. R. Pandit, N. S. Mani, Synthesis, 2009, 4032; DOI: https://doi.org/10.1055/s-0029-1217050.
5. M. G. Kissane, S. A. Frank, G. A. Rener, C. P. Ley, C. A. Alt, P. A. Stroud, R. K. Vaid, S. K. Boini, L. A. McKee, J. T. Vicenzi, G. A. Stephenson, Tetrahedron Lett., 2013, 54, 6587; DOI: https://doi.org/10.1016/j.tetlet.2013.09.105.