Synthesis of Bis{<i>meso</i>-Tetrakis(4-<i>N</i>-alkylpyridiniumyl)porphyrinato}cerium and Its Redox Switching Behavior

Abstract

A novel double-decker porphyrin complex, bis{meso-tetrakis(4-N-alkylpyridiniumyl)porphyrinato}cerium, was prepared. Electrochemical measurements revealed that this complex exhibited reversible redox waves corresponding to a 1e– redox reaction of the cerium center. Treating the complex alternately with an oxidant and a reductant resulted in the reversible redox switching between the oxidized and reduced states in an organic solvent.

Keywords

• double-decker cerium complex
• octacationic complex
• redox switching