Zwitterionic Si-C-Si-P and Si-P-Si-P Four-Membered Rings with Two-Coordinate Phosphorus Atoms

Authors

  • Dr. Sakya S. Sen,

    1. Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
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  • Dr. Shabana Khan,

    1. Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
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  • Prof. Dr. Herbert W. Roesky,

    Corresponding author
    1. Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
    • Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
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  • Daniel Kratzert,

    1. Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
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  • Dr. Kathrin Meindl,

    1. Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
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  • Dr. Julian Henn,

    1. Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
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  • Prof. Dr. Dietmar Stalke,

    Corresponding author
    1. Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
    • Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077 Göttingen (Germany), Fax: (+49) 551-39-3373
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  • Jean-Philippe Demers,

    1. Solid-State NMR, Max-Planck-Institut für biophysikalische Chemie, Am Faßberg 11, 37077 Göttingen (Germany)
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  • Dr. Adam Lange

    1. Solid-State NMR, Max-Planck-Institut für biophysikalische Chemie, Am Faßberg 11, 37077 Göttingen (Germany)
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  • Support from the Deutsche Forschungsgemeinschaft (Emmy Noether Fellowship to A.L.), Deutscher Akademischer Austausch Dienst (Research fellowship to S.K.), and the NSERC of Canada (scholarship to J.-P.D.) is gratefully acknowledged.

Abstract

original image

It's hip to be square: The reaction of amidinato chlorosilylene (PhC(NtBu)2SiCl) with adamantyl phosphaalkyne and white phosphorus affords the formation of Si-C-Si-P and Si-P-Si-P (see picture) four-membered rings. Both compounds were characterized by single-crystal X-ray studies and by solution and solid-state NMR spectroscopy. DFT calculations elucidated the bonding situation.

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