1. J. A. Joule and K. Mills, Heterocyclic Chemistry, 5th ed., Wiley (2010), 689 p.
2. D. C. Palmer (editor), Oxazoles: Synthesis, Reactions, and Spectroscopy (Chemistry of Heterocyclic Compounds), Vol. 60, Part A, Wiley, New York (2003).
3. D. C. Palmer (editor), Oxazoles: Synthesis, Reactions, and Spectroscopy (Chemistry of Heterocyclic Compounds), Vol. 60, Part B.Wiley, New York (2004).
4. H. Kubota, T. Moriya, and K. Matsumoto, Chem. Pharm. Bull., 38, 570 (1990).
5. J. Cornforth, in: R. Elderfield (editor), Heterocyclic Compounds [Russian translation], Vol. 5, Izd-vo inostr. lit., Moscow (1961), p. 242.