Fig. 5. Cyclic voltammogram of C-1. Ferrocene (Fc) was used as an internal reference (E_1/2 = +0.38 V (Fc⁺/Fc) vs. SCE). Experiments were carried out in deaerated DCM solutions containing 0.5 mM C-1 alone, 0.10 M Bu₄NPF₆ as the supporting electrolyte, and a Ag/AgNO₃ reference electrode; scan rate: 0.05 V s^–1.