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Short Reports • J. Braz. Chem. Soc. 13 (1) • Feb 2002 • https://doi.org/10.1590/S0103-50532002000100018   copy

Palladium/Heteropoly Acid Catalyzed Oxidative Coupling of 2-Methoxy-1,4-benzoquinone with Arenes

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Oxidative coupling of 2-methoxy-1,4-benzoquinone and arenes in acetic acid gives methoxyaryl-substituted 1,4-benzoquinones. The reaction is effectively catalyzed by a Pd(OAc)2/heteropoly acid (H9PMo6V6O40 ) redox system with dioxygen as the final oxidant.

oxidative coupling; arenes; quinones; catalysis; palladium/heteropoly acid

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