Comparison of the photochemistry of organometallic N-heterocyclic carbene and phosphine complexes of manganese

M Batool, Thomas A Martin, M Abu Naser, M W George, S A Macgregor, Mary F Mahon, M K Whittlesey

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Abstract

Time-resolved IR (TRIR) studies on (eta(5)-C(5)H(4)Me)Mn(L)(CO) (L = 1,3-diethyl-4,5-dimethylimidazol-2-ylidene, PPh(3)) indicate that the rate of reaction with CO is ca. 10(2) slower for the N-heterocyclic carbene intermediate, which DFT calculations suggest is due to the presence of a strong Mn center dot center dot center dot H-C agostic bond. The reactivity of these intermediates in alkane solvents is governed by such interactions rather than solvent coordination to the unsaturated metal centre.
Original languageEnglish
Pages (from-to)11225-11227
Number of pages3
JournalChemical Communications
Volume47
Issue number40
DOIs
Publication statusPublished - 2011

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    Batool, M., Martin, T. A., Abu Naser, M., George, M. W., Macgregor, S. A., Mahon, M. F., & Whittlesey, M. K. (2011). Comparison of the photochemistry of organometallic N-heterocyclic carbene and phosphine complexes of manganese. Chemical Communications, 47(40), 11225-11227. https://doi.org/10.1039/C1CC14467G