Facile Access to Tuneable Schwartz’s Reagents: Oxidative Addition Products from the Reaction of Amide N[BOND]H Bonds with Reduced Zirconocene Complexes

Authors

  • Dipl.-Chem. Martin Haehnel,

    1. Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, 18059 Rostock (Germany)
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  • B. Sc. Jacky C.-H. Yim,

    1. Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1 (Canada)
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  • Prof. Dr. Laurel L. Schafer,

    Corresponding author
    1. Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1 (Canada)
    • Laurel L. Schafer, Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1 (Canada)

      Uwe Rosenthal, Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, 18059 Rostock (Germany)

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  • Prof. Dr. Uwe Rosenthal

    Corresponding author
    1. Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, 18059 Rostock (Germany)
    • Laurel L. Schafer, Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC, V6T 1Z1 (Canada)

      Uwe Rosenthal, Leibniz-Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Strasse 29a, 18059 Rostock (Germany)

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  • We thank Philippa Payne for assistance with 600 MHz NMR spectroscopy. We would like to thank the DFG for financial support. J.C.H.Y. and L.L.S. thank NSERC for a postgraduate scholarship and financial support. M.H. and U.R. thank DFG for funding. This research was undertaken, in part, thanks to funding from the Canada Research Chairs program.

Abstract

original image

On the tracks of Schwartz's reagent: Two zirconocene hydrido amidate complexes are synthesized by formal oxidative addition of amide N[BOND]H bonds to reduced zirconocene fragments. Insertion reactions with alkenes show a different behavior than Schwartz's reagent by forming branched insertion products. The insertion product and the hydrido complex are characterized by X-ray analysis.

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