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Bis(alkylidynyl)tellurides and ditellurides

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Abstract

The tellurocarbonylates [M(CTe)(CO)2(Tp*)] (M = Mo, W; obtained from [M([triple bond, length as m-dash]CBr)(CO)2(Tp*)] and Li2Te or [M([triple bond, length as m-dash]CLi)(CO)2(Tp*)] and Te) react with an additional equivalent of [M([triple bond, length as m-dash]CBr)(CO)2(Tp*)] to give bis(alkylidynyl)tellurides, [M2(μ-CTeC)(CO)4(Tp*)2], whilst oxidation with [Fe(η-C5H5)2]PF6 affords the corresponding ditellurides [M2(μ-CTe2C)(CO)4(Tp*)2]. The unprecedented M[triple bond, length as m-dash]CTeC[triple bond, length as m-dash]M and M[triple bond, length as m-dash]CTe2C[triple bond, length as m-dash]M bridges are discussed with reference to more conventional but rare alkylidynyltelluroethers [M([triple bond, length as m-dash]CTeR)(CO)2(Tp*)] (R = Me, nBu, Ph).

Graphical abstract: Bis(alkylidynyl)tellurides and ditellurides

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Publication details

The article was received on 22 Nov 2017, accepted on 12 Dec 2017 and first published on 12 Dec 2017


Article type: Communication
DOI: 10.1039/C7CC08776D
Citation: Chem. Commun., 2018, Advance Article
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    Bis(alkylidynyl)tellurides and ditellurides

    B. J. Frogley, A. F. Hill, R. A. Manzano and M. Sharma, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C7CC08776D

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