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1. A process for preparing a biaryl, the process comprising:
anodically dehydrodimerizing (a) a substituted aryl alcohol comprising an alcohol group bound directly to an aromatic ring, with (b) an arene, in the presence of at least one mediator selected from the group consisting of a partially fluorinated mediator and a perfluorinated mediator, and a supporting electrolyte, to obtain a cross-coupling product, wherein the arene is a monosubstituted or polysubstituted benzene derivative, monosubstituted or polysubstituted naphthalene derivative, monosubstituted or polysubstituted benzodioxole derivative, monosubstituted or polysubstituted furan derivative, or monosubstituted or polysubstituted indole derivative, and each substituent of the arene is independently selected from the group consisting of methyl, ethyl, n-propyl, isopropyl, n-butyl, trifluoromethyl, fluorine, chlorine, bromine, iodine, methoxy, ethoxy, methylene, ethylene, propylene, isopropylene, benzylidene, amino, nitrile, and nitro.
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