Abstract
Corroles have attracted a great deal of attention in terms of application and understanding their electronic configuration, especially the innocence or non-innocence of the macrocyclic ligand. These properties are known to be strongly influenced by the metal ion and degree of axial coordination, namely 4, 5 and 6-coordinate. In addition, these properties are also dependent on the solvent and possibly peripheral substituents. We have previously examined bis-pyridine and mono-DMSO cobalt corroles and in this work describe the electrochemical and spectroscopic properties of newly synthesized series of anionic axially ligated mono-CN and in-situ generated bis-CN cobalt A3-triarylcorroles with a tetrabutylammonium counterion. Examples of the synthesized corroles are shown in the figure and represented as [(Ar)3CorCo(CN)]- where (Ar)3Cor is the corrole macrocycle and Ar is one of several meso-phenyl rings containing electron-withdrawing or electron-donating substituents. Figure 1
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