The oxidative dimerization of arylamido complexes of platinum revisited: protonation/deprotonation or oxidation/reduction?
Abstract
A study of the products of oxidative dimerization of arylamido complexes of platinum using cyclic voltammetry and rotating-electrode techniques has demonstrated that the first compound isolated from the oxidation of trans-[Pt(NHPh)Cl(PEt3)2] is [{PtCl(PEt3)2}2(µ-N2C12H10)][PF6]2, rather than [{PtCl(PEt3)2}2(µ-N2C12H11)][PF6]2. Consequently, its transformation to [{PtCl(PEt3)2}2-(µ-N2C12H10)]PF6 is a one-electron reduction rather than a deprotonation.
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