N-Sulfonylthioimidate was converted to ketenimine under basic conditions. The reaction with vinyl/aryl azides was induced to cause dipolar cycloaddition to form 5-amino-1-vinyl/aryl-1,2,3-triazoles. The advantages of this method are high efficiency, structural diversity of products favorable yields and applicability to gram-scale operations.
W. Chen, W. Lin, C. Kuo and C. Liang, Chem. Commun., 2023, 59, 1297 DOI: 10.1039/D2CC06708K
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