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Issue 14, 2015
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Tungsten carbonyl σ-complexes with charge-compensated nido-carboranyl thioether ligands

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Abstract

Charge-compensated nido-carboranyl thioether ligands [7-MeS-10-Me2S-7,8-C2B9H10] and [7,8-(MeS)2-10-Me2S-7,8-C2B9H9] were prepared and fully characterized. They readily react with labile tungsten carbonyls to give σ-complexes – mono-substituted (CO)5W[7-MeS-10-Me2S-7,8-C2B9H101-S(1)] and (CO)5W[7,8-(MeS)2-10-Me2S-7,8-C2B9H91-S(1)] and chelate (CO)4W[7,8-(MeS)2-10-Me2S-7,8-C2B9H92-S(1),S(2)]. The synthesized metallocomplexes were characterized by multinuclear NMR spectroscopy and single crystal X-ray diffraction. The donor ability of the 7-methylsulfide-nido-carborane ligand is not sensitive to introduction of the charge-compensating dimethylsulfonium group.

Graphical abstract: Tungsten carbonyl σ-complexes with charge-compensated nido-carboranyl thioether ligands

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Publication details

The article was received on 14 Jan 2015, accepted on 13 Feb 2015 and first published on 23 Feb 2015


Article type: Paper
DOI: 10.1039/C5DT00176E
Author version available: Download Author version (PDF)
Citation: Dalton Trans., 2015,44, 6449-6456
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    Tungsten carbonyl σ-complexes with charge-compensated nido-carboranyl thioether ligands

    S. V. Timofeev, O. B. Zhidkova, E. M. Mosolova, I. B. Sivaev, I. A. Godovikov, K. Yu. Suponitsky, Z. A. Starikova and V. I. Bregadze, Dalton Trans., 2015, 44, 6449
    DOI: 10.1039/C5DT00176E

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