Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 349, Issue 3, Pages 292-296Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200600389
Keywords
arenes; benzoquinone; catalysis; electrochemistry; hydroquinone; palladium
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Palladium(II) acetate-catalyzed Heck-type reactions have been performed from the arene I and alkenes (n-butyl acrylate, styrene) in acetic acid at room temperature, in the presence of a catalytic amount of benzoquinone or hydroquinone. The reactions have been made catalytic in benzoquinone [which is used to continuously oxidize the Pd(0) into to the active Pd(II) species able to activate the Ar-H bond] by the electrochemical oxidation of hydroquinone, formed in the reaction, back to benzoquinone.
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