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E-Journal of Chemistry
Volume 7 (2010), Issue 3, Pages 717-720
http://dx.doi.org/10.1155/2010/936107

Cellulose Sulfonic Acid: An Efficient Heterogeneous Catalyst for the Synthesis of 1, 8-Dioxo-octahydroxanthenes

Hossein A. Oskooie, Leili Tahershamsi, Majid M. Heravi, and Bita Baghernejad

Department of Chemistry, School of Science, Azzahra University, Vanak, Tehran, Iran

Received 15 July 2009; Accepted 7 September 2009

Copyright © 2010 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.

Abstract

1,8-Dioxo-octahydroxanthenes have been synthesized good yields via a reaction of aldehydes and dimedone in the presence of cellulose sulfonic acid as a heterogeneous catalyst under solvent-free condition.