2008 年 76 巻 12 号 p. 862-864
Electroreduction of N,N′-dioctyl-4,4′-bipyridinium (C8V2+) bis(triflimide) was carried out in ionic liquids to give the corresponding quinoid C8V0, which promoted reductive coupling of aryl halides in the presence of a Pd catalyst to give biaryls. C8V2+ and the ionic liquids were used repeatedly.