Hidden aryl-exchange processes in stable 16e RhIII [RhCp*Ar2] complexes, and their unexpected transmetalation mechanism
Citation:
Peñas-Defrutos, M. N.; Bartolomé, C.; García-Melchor, M.; Espinet, P., Hidden aryl-exchange processes in stable 16e RhIII [RhCp*Ar2] complexes, and their unexpected transmetalation mechanism, Chemical Communications, 54, 2018, 984 - 987Download Item:
Abstract:
Experiments mixing the stable 16e 5-coordinate complexes [RhCp∗Ar2] (Cp∗ = C5Me5; Ar = C6F5, C6F3Cl2-3,5) uncover fast aryl transmetalations. Unexpectedly, as supported computationally, these exchanges are not spontaneous, but catalyzed by minute amounts of 18e (μ-OH)2[RhCp∗Ar]2 as a source of 16e [RhCp∗Ar(OH)]. The OH group is an amazingly efficient bridging partner to diminish the activation barrier of transmetalation.
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http://people.tcd.ie/garciammDescription:
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Author: Garcia Melchor, Max
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Chemical Communications54
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Oxidation, Ruthenium, Electrocatalytic waterDOI:
https://doi.org/10.1039/C7CC09352GMetadata
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