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Note | Regular issue | Vol 81, No. 12, 2010, pp.2855-2863
Published online, 2nd November, 2010
DOI: 10.3987/COM-10-12068
■ Synthesis of 1,2-Disubstituted Benzimidazoles and 2-Substituted Benzothiazoles Catalyzed by HCl-Treated trans-3,5-Dihydroperoxy-3,5-dimethyl-1,2-dioxolane

Davood Azarifar,* Kaveh Khosravi, Zohreh Najminejad, and Khadijeh Soleimani

*Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 4135, Hamedan 6517838683, Iran

Abstract

The catalytic effect of trans-3,5-dihydroperoxy-3,5-dimethyl-1,2-dioxolane in the presence of HCl has been explored in one-pot condensation reaction of o-phenylenediamines and o-aminobenzenethiol with a variety of aldehydes into their corresponding 2-aryl-1-arylmethylimidazoles and 2-arylbenzothiazoles respectively. The reactions were conducted under mild conditions in MeCN at room temperature to afford the products in excellent yields.