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Short Paper | Regular issue | Vol 83, No. 11, 2011, pp.2597-2600
Published online, 7th September, 2011
DOI: 10.3987/COM-11-12318
An Efficient Approach for the One-Pot Synthesis of Ethyl 4-Oxo-4H-benzo[d][1,3]oxazine-2-carboxylates

Farzad Nikpour,* Mahnaz Sharafi-Kolkeshvandi, and Asrin Bahmani

*Department of Chemistry, Faculty of Science, University of Kurdistan, Sanandaj, Pasdaran Bivd., P.O.Box 66135-416, Iran

Abstract

Simple one-pot synthesis of ethyl 4-oxo-4H-benzo[d][1,3]oxazine-2-carboxylates is described by condensation reaction of anthranilic acid derivatives with ethyl 2-chloro-2-oxoacetate in CHCl3. High yields of the products obtain in high purity with simple work-up.