Diverse Reactions of PhI(OTf)2 with Common 2-Electron Ligands: Complex Formation, Oxidation, and Oxidative Coupling

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• 作者：Thomas P. Pell ; Shannon A. Couchman ; Sara Ibrahim ; David J. D. Wilson ; Brian J. Smith ; Peter J. Barnard ; Jason L. Dutton
• 刊名：Inorganic Chemistry
• 出版年：2012
• 出版时间：December 3, 2012
• 年：2012
• 卷：51
• 期：23
• 页码：13034-13040
• 全文大小：296K
• 年卷期：v.51,no.23(December 3, 2012)
• ISSN：1520-510X

文摘

The crystal structures of bis-pyridine stabilized iodine dications [PhI(pyr)₂]²⁺ are reported as triflate salts, representing the first ligand supported iodine dications to be structurally characterized. The pyridine complexes are susceptible to ligand exchange in reaction with stronger N-based donors such as 4-dimethylaminopyridine. Attempts to extend this reactivity to N-heterocyclic carbene and phosphine ligands, as has been accomplished in the earlier p-block groups, resulted in redox chemistry, with oxidation of the ligands rather than coordination.