Nickel(II) complexes with dioximers replaced by BF2 and B(C2H5)2 groups for bridging by the hydrogen atom were investigated by electrochemical methods. The nickel(II) complexes exhibited two distinct one-electron reduction waves in N,N-dimethylformamide. It was found that the electron-withdrawing effect of the replaced group is exerted on the electronic states of the nickel(II) complexes.
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