A Simple Route to the 1-Aza-3-Phosphaallyl System: Structure of a Dimeric Lithium Complex and Protonation to Give the First NH2-Substituted Phosphaalkene

Authors

  • Dipl.-Chem. Karin Paasch,

    1. Anorganisch-chemisches Institut der Universität, Gerhard-Domagk-Strasse 1, D-53121 Bonn (Germany), Telefax: Int. code + (228)73-5327
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  • Dr. Martin Nieger,

    1. Anorganisch-chemisches Institut der Universität, Gerhard-Domagk-Strasse 1, D-53121 Bonn (Germany), Telefax: Int. code + (228)73-5327
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  • Prof. Dr. Edgar Niecke

    Corresponding author
    1. Anorganisch-chemisches Institut der Universität, Gerhard-Domagk-Strasse 1, D-53121 Bonn (Germany), Telefax: Int. code + (228)73-5327
    • Anorganisch-chemisches Institut der Universität, Gerhard-Domagk-Strasse 1, D-53121 Bonn (Germany), Telefax: Int. code + (228)73-5327
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  • This work was supported by the Deutsche Forschungsgemeinschaft and the Fonds der Chemischen Industrie. K. P. thanks the Fonds der Chemischen Industrie for a doctoral grant.

  • Dedicated to Professor Herbert Roesky on the occasion of his 60th birthday

Abstract

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Lithium phenyl phosphanide and acetonitrile react readily to give the lithium complex 1. The compound crystallizes as a dimer and can be converted by protonation into the thermally stable phosphaalkene 2. This in turn could be suitable for the synthesis of heteropolyenes.

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