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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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Supplementary files

Article information


Submitted
14 Jan 2015
Accepted
13 Feb 2015
First published
23 Feb 2015

Dalton Trans., 2015,44, 6449-6456
Article type
Paper
Author version available

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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