THE STABLE RADICAL CATION OF TETRAKIS(DIMETHYLAMINO)-p-BENZOQUINONE

Article abstract of DOI:10.1016/S0040-4039(00)98876-2

The electron-rich tetrakis(dimethylamino)-p-benzoquinone exhibits a low first ionization energy of only 7.1 eV and can oxidized electrochemically at +0.25 V vs.SCE to its purple radical cation, whose spin population differs cosiderably from that of the corresponding semiquinone radical anion.