N,N-Dialkyl-N'-Chlorosulfonyl Chloroformamidines in Heterocyclic Synthesis. Part IX.* Novel Triazolo-Fused Thiatriazoles and Pyrazolo-Fused Oxathiazines

Craig Forsyth, Craig Francis, Saba Jahangiri, Andris Liepa, Michael Perkins, Anna Young

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    N,N-dialkyl-N′-chlorosulfonyl chloroformamidines 1 reacted with 4-substituted urazoles 2 to give [1,2,4]triazolo[1,2-b] [1,2,3,5]thiatriazoles 3 in a selective 1,2-NN dinucleophilic mode of reaction.The reaction of 1 with N1-substituted pyrazol-5-ones 4 afforded pyrazolo[4,3-e][1,4,3] oxathiazines 5 via selective 1,3-CCO dinucleophilic substitution. Compounds 3 and 5 were the sole products isolated from the respective reactions and both represent new ring systems.

    Original languageEnglish
    Pages (from-to)785-791
    Number of pages7
    JournalAustralian Journal of Chemistry
    Volume63
    Issue number5
    DOIs
    Publication statusPublished - 2010

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