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    Synthesis of 5,7-Diamino[1,2,4]triazolo[1,2-a][1,3,5]triazines via Annulation of 1,3,5-Triazine Ring onto 3(5)-Amino-1,2,4-trizoles

    164072_40180_07H_71_429.pdf (247.2Kb)
    Access Status
    Open access
    Authors
    Dolzhenko, Anton
    Dolzhenko, A.
    Chui, W.
    Date
    2007
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Dolzhenko, Anton V. and Dolzhenko, Anna V. and Chui, Wai-Keung. 2007. Synthesis of 5,7-Diamino[1,2,4]triazolo[1,2-a][1,3,5]triazines via Annulation of 1,3,5-Triazine Ring onto 3(5)-Amino-1,2,4-trizoles. Heterocycles. 71 (2): pp. 429-436.
    Source Title
    Heterocycles
    ISSN
    1881-0942
    School
    School of Pharmacy
    URI
    http://hdl.handle.net/20.500.11937/15568
    Collection
    • Curtin Research Publications
    Abstract

    The 5,7-diamino[1,2,4]triazolo[1,5-a][1,3,5]triazines were synthesized by cyclocondensation of 3(5)-amino-1,2,4-triazoles with cyanoguanidine. The substituted 3(5)-amino-1,2,4-triazoles were prepared from corresponding hydrazides and S-methylisothiourea via ring closure of the intermediate acylaminoguanidines. The 3,5-diamino-1,2,4-triazoles were prepared using partial aminolysis of dimethyl N-cyanodithiocarbonimidate followed by cyclization of the obtained N-substituted N’-cyano-S-methylisothioureas with hydrazine. The structures of the prepared compound were confirmed using NMR spectral data.

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