Table 3. Cyclic Voltammetry Data for 1–4 and H2L3–4a,b.
| complex/ligand | IIE1/2red | IE1/2red | E1/2ox |
|---|---|---|---|
| 1 | –1.68 | –0.20 | 0.75 |
| 2 | –1.73 | –0.20 | 0.74 |
| 3 | –1.49 | –0.12 | 1.10 |
| 4 | –1.39 | –0.08 | 1.18 |
| H2L3 | –1.47c | 1.27 | |
| H2L4 | –1.34c | 1.33 |
Values in Volt (±10 mV) vs SCE measured at a scan rate of 200 mV/s.
In Bu4NBF4/CH2Cl2 (0.10 M).
Epred.