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E-Journal of Chemistry
Volume 3, Issue 1, Pages 1-4

Ultrasound Promoted Synthesis of 3-Carboxycoumarins in Aqueous Media

Jian-Long Du, Li-Jun Li, and Da-Hai Zhang

College of Chemistry & Environmental Science, Hebei University, Baoding-071002, China

Received 20 August 2005; Revised 19 October 2005; Accepted 23 January 2006

Copyright © 2006 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


An efficient and green procedure has been developed for synthesis of 3-carboxycoumarins, the reaction can be carried out in water under ultrasound irradiation, avoiding addition of catalyst