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Note | Regular issue | Vol 75, No. 12, 2008, pp.3077-3083
Published online, 18th August, 2008
DOI: 10.3987/COM-08-11459
Efficient Synthesis of 1,8-Dioxo-octahydroxanthenes Using HClO4/SiO2 as Catalyst

Gholam Hossein Mahdavinia, Mohammad A. Bigdeli,* Yaser Saeidi Hayeniaz, and Firouzeh Nemati

*Faculty of Chemistry, Tarbiat Moalem University, 49 Mofateh St., Tehran, Iran

Abstract

Silica supported perchloric acid (HClO4/SiO2) is found to be a heterogeneous recyclable catalyst for rapid and efficient synthesis of 1,8-dioxo-octahydroxanthenes with good to excellent yields in solvent free conditions. The catalyst is easily prepared, stable, reusable and efficiently used under reaction condition.