Summary.
A facile and regioselective synthesis of 2-substituted [1,2,4]triazolo[5,1-b][1,3]thiazin-7-ones by action of sulfuric acid on (4H-[1,2,4]triazol-3-ylsulfanyl)-acrylic acids is described.
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Received January 23, 2001. Accepted (revised) May 7, 2001
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Heravi, M., Montazeri, N., Rahimizadeh, M. et al. Sulfuric Acid: A Mild Catalyst for the Regioselective Synthesis of 2-Substituted [1,2,4]Triazolo[5,1-b][1,3]thiazin-7-ones. Monatshefte fuer Chemie 132, 1225–1228 (2001). https://doi.org/10.1007/s007060170037
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DOI: https://doi.org/10.1007/s007060170037