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Short Paper | Regular issue | Vol 87, No. 2, 2013, pp.399-405
Published online, 27th December, 2012
DOI: 10.3987/COM-12-12621
Zirconium Catalyzed Chemoselective Synthesis of New Amido-Substituted Benzo[b]furans via a One-Pot Reaction

Bahador Karami,* Saeed Khodabakhshi, and Hamid Reza Vahabinia

*Department of Chemistry, Yasouj University, P.O.Box 353, Yasouj 75918-74831, Iran

Abstract

A one-pot, three-component reaction of arylglyoxals, benzamide and phenols using catalytic amounts of zirconium oxychloride octahydrate under solvent-free conditions produce new amido-substituted benzo[b]furans. The reactions showed chemoselectivity towards benzofuran instead of oxazols which this claim has been confirmed by nuclear magnetic resonance (NMR) and infrared spectroscopy (IR).