Abstract
Electrochemical reduction of pentafluoropyridine and other polyhalopyridines gives bipyridyl derivatives etc. and it is inferred from the structures of the products that, in the intermediate radical-anion, charge- and spin-density is concentrated at the 1- and 4-positions. This is further supported by measurement of Ep 1 2 values. Trapping experiments with hydroquinone and carbon dioxide are described.
Published Version
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