A Novel and Efficient Synthesis of New Dixanthones

Document Type : Research Article


Department of Chemistry, Shiraz University, Zip code 71454, Shiraz, I.R. IRAN


The facile and high yield synthesis of a new series of dibenzophenones in the presence of polyphosphoric acid (PPA) together with their cyclization to corresponding moni and dixanthones are described. The aromatic nucleophilic substitution of these new compounds are also studied.


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