Protic and Electrophilic Substrates

The HOO- species rapidly disproportionates to HOOH, which is not electroactive in DMF at potentials less negative than that for the 02/Oj couple (-0.64 

TABLE 9.10 Examples of Organic Substrates that Enhance the Voltammetric Peak Height for the Reduction of 02 via Post-Electron-Transfer Reactions by 02 in DMF (Source of 02 02 + e — 02) 

Rate-controlling step Overall stoichiometry Electron stoichiometry (in the limit as v — 0)° 

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