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Active free radicals formed by the electrooxidation of substituted anilines RC_6H_4NH_3(R=H, p-Br, p-Cl, p-I, p-Me, p-COOH, p-MeCO, p-NO_2, m-CO_2H, and m-Cl) are trapped byspin trap 2-methyl-2-nitroso propane (MNP). A multiple ESR signal of the solution containingelectrolytic aniline and MNP is identified with the spin adduct of MNP and radical cation 1 by theore-tical simulation of observed spectrum. Furthermore, ESR spectra of para- or meta-substitutedanilines give a reasonable explanation about spin adducts of MNP and the cation 2 or 3 by the samemethod.
Active free radicals formed by the electrooxidation of substituted anilines RC_6H_4NH_3 (R═H, p-Br, p-Cl, pI, p-Me, p-COOH, p-MeCO, p-NO_2, m-CO_2H, and m-Cl ) are trapped byspin trap 2-methyl-2-nitroso propane (MNP). A multiple ESR signal of the solution containing ingelic aniline and MNP is identified with the spin adduct of MNP and radical cation 1 by a theoremical simulation of observed spectrum. , ESR spectra of para- or meta-substituted anilines give a reasonable explanation about spin adducts of MNP and the cation 2 or 3 by the same method.