Reduction potentials of imine-substituted, biologically active pyridines: possible relation to activity (original) (raw)

Free Radical Research Communications, 1990

Abstract

Cyclic voltammetry data were obtained for a number of biologically active compounds which incorporate imine substitution on the pyridine nucleus. The reductions in acid (iminium ion formation) were for the most part reversible, and in the range of -0.5 to -0.7V. The toxic effect of these drugs is thought to be caused by the generation of reactive oxygen radicals that arise via charge transfer, or by disruption of electron transport chains.

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