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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.

DOI: 10.1055/s-0032-1317925 (free Supporting Information)


Abstract

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.


Key Words

oxazoles, ring expansion, keto aziridines, iodine


ID: J60-Y2013-0190