Interestingly, the product yields of xylenes followed the order meta-> ortho-> para-xylene, despite the E p ox following the opposite trend. (68) Toluene has an even higher E p ox than xylenes but reacted to give 81% of 3eb. Bromobenzene afforded a 30% yield of 3fb with notable r.s.m., while iodobenzene gave no reaction at all (60% r.s.m.). Benzene and PhCl were unsuccessful, presumably due to their notably higher E p ox (only a 10% yield of 3gb's combined C1/C3 isomers was obtained, even when using a large excess of PhCl and after 72 h). Substitution of Cu for Pt wire cathode increased the yield to 15%; substitution of MeOH for AcOH increased the yield to 35% (Table ).