Table 1.

Electrochemical properties of macrocycles 4T‐PBI, 5T‐PBI, ^[16] 6T‐PBI and 7T‐PBI in CH₂Cl₂ at room temperature (c ₀=10⁻⁴ M).^[a]

	4T‐PBI	5T‐PBI [16]	6T‐PBI	7T‐PBI
E ox,1 [V]	+0.54	+0.34	+0.38	+0.32
E ox,2 [V]	+0.80	+0.48	+0.46	+0.50
E ox,3 [V]	–	–	+1.12	+0.98
E ox,4 [V]	–	–	–	+1.19
E ox,2−E ox,1 [V]	0.26	0.14	0.08	0.18
E red,1 [V]	−0.99	−1.07	−1.00	−0.98
E red,2 [V]	−1.24	−1.29	−1.21	−1.18

[a] Bu₄NPF₆ was used as electrolyte and all half‐wave potentials are referenced against the ferrocenium/ferrocene (Fc⁺/Fc) redox couple.