A New Approach to Ring Expansion of Keto Aziridines to 2,5-Diaryloxazoles
Heshmat A. Samimi*, Somaye Mohammadi
*Faculty of Science, Department of Chemistry, Shahrekord University, P. O. Box 115, Shahrekord, Iran, Email: samimi-hsci.sku.ac.ir
H. A. Samimi, S. Mohammadi, Synlett, 2013, 24, 223-225.
Ring expansion of keto aziridines provides the corresponding 2,5-diaryl oxazoles in the presence of dicyclohexyl carbodiimide and iodine in refluxing acetonitrile. A plausible mechanism is proposed.
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N-Bromosuccinimide as a Brominating Agent for the Transformation of N-H (or N-Benzyl) Ketoaziridines into Oxazoles
H. S. Samimi, F. Dadvar, Synthesis, 2015, 47, 1899-1904.
oxazoles, ring expansion, keto aziridines, iodine