TABLE 1.

Electrochemical data for complexes 1–4 in acetonitrile.

Complex	E pc red/V	${\left(\frac{i_{cat}}{i_p}\right)}_{\max }$	TOF/s−1	E cat/V	Overpotential/V	Applied potential during bulk electrolysis (Time of electrolysis/min)	TON
1	−1.83, −2.19	64	805	−1.87	0.96	‒2.0 (30)	0.19
2	−1.93, −2.07	48	445	−1.88	0.99	‒2.2 (30)	0.44
3	−1.99, −2.30	42	340	−1.88	0.99	‒2.2 (30)	0.58
4	−2.06, −2.36	68	890	−1.95	1.06	‒2.2 (30)	0.71