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A Thallium Mediated Route to σ-Arylalkynyl Complexes of Bipyridyltricarbonylrhenium(I)

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journal contribution
posted on 15.10.2007, 00:00 by Brendan J. Liddle, Sergey V. Lindeman, Daniel L. Reger, James R. Gardinier
A simple, one-pot preparation of rhenium(I) σ-arylalkynyl complexes is reported using thallium(I) hexafluorophosphate as a halogen abstraction agent. This new route to rhenium σ-alkynyls enjoys higher yields compared to analogous preparations using silver salts by eliminating potential electrochemical degradation pathways.