SYNTHESIS OF <i>S</i>-SUBSTITUTED 5-SULFONYLMETHYL(ETHYL)-1,3,4-THIADIAZOL-2-AMINES
DOI:
https://doi.org/10.1007/6883Keywords:
aryl(benzyl)sulfonylacetic acids, aryl(benzyl)sulfonylpropionic acids, phosphorus oxychloride, 1, 3, 4-thiadiazol-2-amines, thiosemicarbazide, cyclization.Abstract
A series of 1,3,4-thiadiazol-2-amines with substituents containing SO2 group located at position 5 were obtained in good yields (63–81%) by cyclization of aryl(benzyl)sulfonylacetic or aryl(benzyl)sulfonylpropionic acids with thiosemicarbazide in refluxing POCl3.
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Published
2022-10-21
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Original Papers