Journal
E-JOURNAL OF CHEMISTRY
Volume 8, Issue 2, Pages 910-916Publisher
HINDAWI LTD
DOI: 10.1155/2011/980242
Keywords
One-pot synthesis; 1,8-Dioxo-octahydroxanthene; Heteropoly acids; Nanocatalyst
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A highly efficient one-pot synthesis of 1,8-dioxo-octahydroxanthenes from dimedone and various aromatic aldehydes under reflux conditions in water, catalyzed by silica-supported preyssler nano particles (SPNP) is reported. The products were formed in excellent yields and the acidic catalyst was completely heterogeneous and can be recycled for many times.
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