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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 39, 2009 - Issue 4
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Original Articles

Facile Iodine(III)-Mediated Approach for the Regioselective Chlorination of 2-Aryl-2,3-dihydro-4(1H)-quinolones

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Pages 596-603 | Received 09 Jun 2008, Published online: 28 Jan 2009
 

Abstract

Oxidation of 2-aryl-2,3-dihydro-4(1H)-quinolones (1) with 1.5 equivalents of (dichloroiodo)benzene in dichloromethane at room temperature leads to regioselective chlorination, thereby offering an efficient method for the synthesis of new 2-aryl-6-chloro-2,3-dihydro-4(1H)-quinolones (3).

ACKNOWLEDGMENTS

We are thankful to Kurukshetra University, Kurukshetra, for a University Research Fellowship to Deepak Sharma and to Council for Scientific and Industrial Research (CSIR), New Delhi, for the award of a junior research fellowship to Pooja Ranjan for financial support of this work. We are also thankful to Defense Research & Development Organization (DRDO), New Delhi (Grant No ERIP/ER/0303447/M/01), for support.

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