1. Palmer, D.C., Oxazoles: Synthesis, Reactions and Spectroscopy, New Jersey: John Wiley, 2003, pt. A, p. 255.
2. Semenov, A.A. and Kartsev, V.G., Osnovy khimii prirodnykh prirodnykh soedinenii (Fundamentals of Chemistry of Natural Compounds), Moscow: SOLID Press, 2009, vol. 2, p. 215.
3. Eichre, T. and Hauptmann, S., The Chemistry of Heterocycles: Structure, Reactions, Syntheses and Applications, Weinheim: Wiley-VCH, 2003.
4. Bagley, M.C., Dale, J.W., Merritt, E.A, and Xiong, X., Chem. Rev., 2005, vol. 105, p. 685.
5. Quin, L.D. and Tyrell, J., Fundamentals of Heterocyclic Chemistry: Importance in Nature and in the Synthesis of Pharmaceuticals, New Jersey: John Wiley, 2010.