4.3 Article

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

Journal

SYNTHETIC COMMUNICATIONS
Volume 39, Issue 4, Pages 596-603

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/00397910802413865

Keywords

2-Aryl-2; 3-dihydro-4(1H)-quinolones; (dichloroiodo)benzene; regioselective chlorination

Funding

  1. Council for Scientific and Industrial Research (CSIR), New Delhi
  2. Defense Research & Development Organization (DRDO), New Delhi [ERIP/ER/0303447/M/01]

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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).

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