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 MRC  Vol.2 No.3 , July 2013
One-Pot Process of Anthraquinone Synthesis in the Presence of Mo-V-P Heteropoly Acid Solutions as a Bifunctional Catalysts
Leonid Gogin*, Elena Zhizhina
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Abstract: Acid-catalytic 1,3-butadiene condensation with para-quinones followed by the obtained product oxidation may be performed in one stage as one-pot process, if assisted by the aqueous solutions of Mo-V-P heteropoly acids with a composition of HaPzMoyVxOb. 1,4-naphthoquinone condensation with 1,3-butadiene in the HPA solutions with no organic solvents yields 9,10-anthraquinone (AQ) mixed with tetrahydro-AQ (THA) and dihydro-AQ (DHA). However, AQ yield and its purity may be considerably improved by using water-mixable organic solvents, e.g., acetone, 1,4-dioxane, as well as high vanadium content HPA such as H15P4Mo18V7O89 and H17P3Mo16V10O89. Process optimization provides 70% yield of reaction product containing no less than 90% AQ.
Keywords: 9, 10-Anthraquinone; Mo-V-P Heteropoly Acids; Diene Synthesis; Organic Solvents
Cite this paper: L. Gogin and E. Zhizhina, "One-Pot Process of Anthraquinone Synthesis in the Presence of Mo-V-P Heteropoly Acid Solutions as a Bifunctional Catalysts," Modern Research in Catalysis, Vol. 2 No. 3, 2013, pp. 90-92. doi: 10.4236/mrc.2013.23013.
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