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    First reversible protonation of the all-nitrogen 1-aryl pentazole ring


    Butler, Richard N. and Stephens, John C. and Hanniffy, John M. (2004) First reversible protonation of the all-nitrogen 1-aryl pentazole ring. Tetrahedron Letters, 45 (9). pp. 1977-1979. ISSN 0040-4039

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    Abstract

    At −40 °C in chlorosulfonic acid 1-aryl pentazoles were protonated at N-3. The N-3 atom showed a 15N NMR shielding shift of −60 to −62 ppm. The –N5 ring is the highest member of the azole series.

    Item Type: Article
    Keywords: Pentazole; Low temperature 15N NMR; –N5 ring; Protonation; Azole;
    Academic Unit: Faculty of Science and Engineering > Chemistry
    Item ID: 7820
    Identification Number: https://doi.org/10.1016/j.tetlet.2003.12.147
    Depositing User: Dr John Stephens
    Date Deposited: 27 Jan 2017 15:29
    Journal or Publication Title: Tetrahedron Letters
    Publisher: Elsevier
    Refereed: Yes
    URI:

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