Table 3.

Electrochemical properties of the compounds 1–1.6.

Compounds	Epa	Epc	ΔEp
1	0.989	0.50
1.1	0.40	−0.60	0.39
1.2	0.26, 0.65	0.32, −0.52	0.45
1.3	0.32, 0.73	0.41, −0.39	0.40
1.4	0.29, 0.84	0.34, −0.59	0.78
1.5	0.33, 0.69	−0.36	0.61
1.6	0.32, 0.79	0.29, −0.43	0.65