Synthesis, Characterization, and In Vitro Cytotoxicity of Unsymmetrical Tetradentate Schiff Base Cu(II) and Fe(III) Complexes

Table 4

Reduction potentials of synthetic Cu(II) and Fe(III) complexes.

Complex	Epc (V)
[Cu(II)L1]	−1.882
[Cu(II)L2]	−1.782
[Cu(II)L3]	−1.817
[Cu(II)L4]	−1.832
[Cu(II)L5]	−1.782
[Fe(III)L1Cl]	−1.317
[Fe(III)L2Cl]	−1.183
[Fe(III)L3Cl]	−1.195
[Fe(III)L4Cl]	−1.203
[Fe(III)L5Cl]	−1.164