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Stepwise Preparation of a Molecular Square from NR,NR- and NH,O-Substituted Dicarbene Building Blocks

Authors

  • Markus Schmidtendorf,

    1. Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149 Münster (Germany)
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  • Tania Pape,

    1. Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149 Münster (Germany)
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  • Prof. Dr. F. Ekkehardt Hahn

    Corresponding author
    1. Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149 Münster (Germany)
    • Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149 Münster (Germany)
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  • We thank the Deutsche Forschungsgemeinschaft (IRTG 1444 and SFB 858) for financial support.

Abstract

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A molecular rectangle has been obtained from two equivalents of a dicarbene-bridged dinuclear platinum complex and two equivalents of β,β′-bis(triisopropylsiloxy)phenyl-1,4-diisocyanide. Hydrolysis of the O[BOND]Si(iPr)3 bonds in this complex leads to the formation of two bridging di(NH,O)-NHC ligands and yields the molecular square (see picture) that features two types of bridging rigid ditopic di-NHC ligands.

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