Synthesis 2004(17): 2900-2904  
DOI: 10.1055/s-2004-831253
PAPER
© Georg Thieme Verlag Stuttgart · New York

A Novel and Efficient Method for the Synthesis of New Hydroxythioxanthone Derivatives

Hashem Sharghi*, Ali Reza Salimi Beni
Department of Chemistry, Shiraz University, Shiraz 71454, Iran
e-Mail: shashem@chem.susc.ac.ir;
Further Information

Publication History

Received 5 July 2004
Publication Date:
07 October 2004 (online)

Abstract

We describe the synthesis of some new hydroxythioxanthones by treatment of thiosalicylic acid (TSA) with various substituted phenols in the presence of Al2O3-CH3SO3H (AMA). Most of the reactions show high regioselectivity and produce thioxanthones in good yields.