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Issue 19, 2015
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Group 4 metal compounds incorporating the amide ligand, [N(SiMe2{C6H4-2-OMe})2]

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The anisole-substituted silyl-amide anion, [N(SiMe2{C6H4-2-OMe})2] (L), has been used as a pincer-type ligand in coordination chemistry. X-ray diffraction data for the lithium salt shows a trimetallic structure consisting of two equivalents of Li(L) that sequester a molecule of LiCl. The potassium salt K(L) is dimeric in the solid-state with bridging amide ligands. Each structure shows chelation of both O-donor groups to the electropositive metal. In contrast, the titanium compound Ti(L)Cl3 is four-coordinate with a monodentate amide. The zirconium compound Zr(L)2Cl2 is monometallic with a six-coordinate metal and two N,O-bidentate amides.

Graphical abstract: Group 4 metal compounds incorporating the amide ligand, [N(SiMe2{C6H4-2-OMe})2]−

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The article was received on 15 Feb 2015, accepted on 07 Apr 2015 and first published on 07 Apr 2015

Article type: Paper
DOI: 10.1039/C5DT00684H
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Citation: Dalton Trans., 2015,44, 8950-8958
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    Group 4 metal compounds incorporating the amide ligand, [N(SiMe2{C6H4-2-OMe})2]

    L. T. J. Evans, J. H. Farnaby, M. P. Coles, F. G. N. Cloke and P. B. Hitchcock, Dalton Trans., 2015, 44, 8950
    DOI: 10.1039/C5DT00684H

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