This work was motivated by a recent report that describes the substitution of the cyclopentadienyl ring in [CpIr(COD)Br]+ with P(OMe)3 under mild conditions. We have shown that the first step is an exergonic exo-addition of P(OMe)3 to the Cp-ring carbon, followed by the substitution of a non-chelating (η4-C5H5P(OMe)3) ligand.
![Graphical abstract: Teaching cyclopentadienyl how to leave: a case study of the [CpIr(COD)Br]+ complex](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=D2NJ00098A&imageInfo.ImageIdentifier.Year=2022)
A. A. Chamkin, New J. Chem., 2022, 46, 6847 DOI: 10.1039/D2NJ00098A
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