Chem Sci Trans., 2012, 1(2),  pp 233- 238  

Research Article

Silica-Supported Phosphorus-Containing Catalysts Efficiently Promoted Synthesis of 1,8-Dioxo-octahydro-xanthenes under Solvent-Free Conditions

ALIREZA HASANINEJAD*^a, MARJAN DADAR^a and ABDOLKARIM ZARE^b

^aDepartment of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr 75169, Iran
^bDepartment of Chemistry, Payame Noor University, PO BOX 19395-4697, Tehran, Iran