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. 2016 Aug 25;6:32102. doi: 10.1038/srep32102

Figure 3. The absorption spectra of 6 following electrochemical oxidation and a sketch of the unfolding radical cation chemistry.

Figure 3

To the left: Trace i was obtained before the electrolysis, trace ii was obtained immediately after the electrolysis, trace iii was obtained after the decay of 6+∙, and trace iv is the difference traces obtained as explained in the text. To the right: reactions of 6+∙ leading to ROM recovery (via deprotonation with the subsequent H abstraction from the solvent, SH), the formation of quinone 12 (via radical disproportionation and O-demethylation to a nucleophile Nu− in solution) and ring-to-methyl dimer 14 (via radical addition).