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Issue 24, 2017
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Structural elucidation of a mononuclear titanium methylidene

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Abstract

The first example of a structurally characterized titanium methylidene, (PN)2Ti[double bond, length as m-dash]CH2, has been prepared via one-electron oxidation of (PN)2Ti(CH3) followed by deprotonation or by H-atom abstraction using an aryloxyl radical. The Ti[double bond, length as m-dash]C distance was found to be 1.939(3) Å, and variable temperature, multinuclear, and multidimensional NMR spectroscopic experiments revealed the methylidene to engage in long range interactions with protons on the ligand framework. Computational studies showed that the Ti[double bond, length as m-dash]C bond, which until now has eluded structural studies, displays all the hallmarks of a prototypical Schrock-carbene.

Graphical abstract: Structural elucidation of a mononuclear titanium methylidene

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Publication details

The article was received on 23 Jan 2017, accepted on 20 Feb 2017 and first published on 20 Feb 2017


Article type: Communication
DOI: 10.1039/C7CC00654C
Citation: Chem. Commun., 2017,53, 3415-3417
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    Structural elucidation of a mononuclear titanium methylidene

    L. N. Grant, S. Ahn, B. C. Manor, M. Baik and D. J. Mindiola, Chem. Commun., 2017, 53, 3415
    DOI: 10.1039/C7CC00654C

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