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Zwitterionic and Anionic Multinuclear Pentacoordinate Silicon(IV) Complexes with Bridging (R,R)-Tartrato(4−) Ligands and SiO5 Skeletons: Synthesis and Reactivity in Aqueous Solution

Authors

  • Dr. Bastian Theis,

    1. Universität Würzburg, Institut für Anorganische Chemie, Am Hubland, 97074 Würzburg (Germany), Fax: (+49) 931-31-84609
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  • Jörg Weiß,

    1. Universität Würzburg, Institut für Anorganische Chemie, Am Hubland, 97074 Würzburg (Germany), Fax: (+49) 931-31-84609
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  • Dr. W. Peter Lippert,

    1. Universität Würzburg, Institut für Anorganische Chemie, Am Hubland, 97074 Würzburg (Germany), Fax: (+49) 931-31-84609
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  • Dr. Rüdiger Bertermann,

    1. Universität Würzburg, Institut für Anorganische Chemie, Am Hubland, 97074 Würzburg (Germany), Fax: (+49) 931-31-84609
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  • Dr. Christian Burschka,

    1. Universität Würzburg, Institut für Anorganische Chemie, Am Hubland, 97074 Würzburg (Germany), Fax: (+49) 931-31-84609
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  • Prof. Dr. Reinhold Tacke

    Corresponding author
    1. Universität Würzburg, Institut für Anorganische Chemie, Am Hubland, 97074 Würzburg (Germany), Fax: (+49) 931-31-84609
    • Universität Würzburg, Institut für Anorganische Chemie, Am Hubland, 97074 Würzburg (Germany), Fax: (+49) 931-31-84609
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Abstract

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Two nutrients in one molecule: A zwitterionic λ5Si,λ5Si′-disilicate (1) was synthesized and characterized. It contains ligands that exclusively derive from natural products ((R,R)-tartaric acid, choline). Hydrolysis of 1 yields 2, which shows a remarkable kinetic stability in water. Upon dissolution of 1 and 2 in water, the nutrients choline and orthosilicic acid are formed by hydrolysis

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