Formal Criss-Cross Cycloaddition of Sulfur Trioxide to Cyanogen

Authors

  • Prof. Dr. Herbert W. Roesky,

    Corresponding author
    1. Anorganisch-chemisches Institute I der Universität, Niedrurseler Hang, D-6000 Frankfurt am Main 50 (Germany)
    • Anorganisch-chemisches Institute I der Universität, Niedrurseler Hang, D-6000 Frankfurt am Main 50 (Germany)
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  • Dipl.-Chem. Nurul Amin,

    1. Anorganisch-chemisches Institute I der Universität, Niedrurseler Hang, D-6000 Frankfurt am Main 50 (Germany)
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  • Dr. Graalf Remmers,

    1. Anorganisch-chemisches Institute I der Universität, Niedrurseler Hang, D-6000 Frankfurt am Main 50 (Germany)
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  • Dr. habil. Alfred Gieren,

    1. Max-planck-Institut für Biochemie, Abt. Strukturforschug I, Am Klopferspitz, D-8033 Martinsried (Germany)
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  • Uwe Riemann,

    1. Max-planck-Institut für Biochemie, Abt. Strukturforschug I, Am Klopferspitz, D-8033 Martinsried (Germany)
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  • Dr. Bernhard Dederer

    1. Max-planck-Institut für Biochemie, Abt. Strukturforschug I, Am Klopferspitz, D-8033 Martinsried (Germany)
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  • This work was supported by the Deutsche Forschungsgemeinschaft and by Hoechst AG.

Abstract

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A 1,3; 2,4-Cycloadduct with unusual bond lengths is the correct formulation of the product formed form (CN)2 and SO3 (molar ratio 1:2). The extermely long S[BOND]O bonds in the ring and short C[BOND]O and exocyclic S[DOUBLE BOND]O bonds suggest bond-non bond resonance.

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