Table of Contents
Organic Chemistry International
Volume 2013, Article ID 502343, 5 pages
Research Article

Rapid and Efficient Synthesis of Hydroxytriarylmethanes under Ultra Sonic Irradiation Using Keggin Heteropolyacids and Preyssler Catalysts in Green Conditions

Department of Chemistry, Payame Noor University (PNU), 19395-4697 Tehran, Iran

Received 25 September 2012; Revised 26 November 2012; Accepted 18 December 2012

Academic Editor: Dipakranjan Mal

Copyright © 2013 Hooshang Hamidian. 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.


A new synthesis of hydroxytriarylmethane derived from the reaction of 2-sulfobenzoic anhydride and phenols in the presence of heteropolyacids as green, reusable, and efficient catalyst (using catalytic amount) under ultrasonic irradiation is reported in this paper.