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rmac troc GC–MS techniques were employed to collect data that permitted us to study its oxidation. Effect of printed electrodes has been reported [9]. In the search of new 1,4-dihydropyridine derivatives (1,4-DHPs) withstrengthenedantioxidanteffects,wehavepreviouslysynthesized two new compounds, C4-vanillin-1,4-dihydropyridine and the corre-sponding positional isomer, C4-isovanillin-1,4-dihydropyridine [10]. Investigations on 1,4-DHP electrochemical oxidation have been previously performed in both aprotic and protic media. The more studied