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Issue 38, 2015
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Synthesis and structural analysis of tungsten-carbonyl dimers bridged with oligo(2,5-dialkoxy-1,4-phenylene vinylene)s through pyridine coordination

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Abstract

Tungsten carbonyl dimers bridged with oligo(2,5-dialkoxy-1,4-phenylene vinylene)s through coordination with pyridine as the end groups, expressed as [W(CO)5]2-(nPV-Py2) [n = 1, 3; alkoxy = O(CH2)2OSiiPr3], have been prepared from W(CO)5(THF) with nPV-Py2 in THF, and their structures were determined by X-ray crystallography. Both increase in absorbance and redshift in the λmax values in [W(CO)5]2-(nPV-Py2) from their nPV-Py2 were observed in the UV-vis spectra, due to increase in the conjugation length through tungsten by coordination of the pyridine moiety; an extension of the conjugation was also confirmed by the crystallographic analysis as well as fluorescence spectra.

Graphical abstract: Synthesis and structural analysis of tungsten-carbonyl dimers bridged with oligo(2,5-dialkoxy-1,4-phenylene vinylene)s through pyridine coordination

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The article was received on 18 Jul 2015, accepted on 17 Aug 2015 and first published on 18 Aug 2015


Article type: Paper
DOI: 10.1039/C5DT02726H
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Citation: Dalton Trans., 2015,44, 16728-16736
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    Synthesis and structural analysis of tungsten-carbonyl dimers bridged with oligo(2,5-dialkoxy-1,4-phenylene vinylene)s through pyridine coordination

    S. Yorsaeng, K. Tsutsumi, B. Kitiyanan and K. Nomura, Dalton Trans., 2015, 44, 16728
    DOI: 10.1039/C5DT02726H

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