Journal of Heterocyclic Chemistry p. 1071 - 1075 (1988)
Update date:2022-08-04
Topics:
Okawara
Tateyama
Yamasaki
Furukawa
The intramolecular cyclization of 1-acylbithiourea 1 gave 1,2,4-triazole 2 and 1,3,4-thiadiazole 3. The reaction of 1 with p-toluenesulfonyl chloride in the presence of triethylamine afforded 3. Treatment of 1 with methyl iodide in the absence of any base yielded 2-methylthio-1,3,4-thiadiazole 10 and 2-imino-1,3,4-thiadiazoline 12.
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