Abstract
1,3-Dibromo-5,5-diphenylimidazolidine-2,4-dione (N,N’-dibromo phenytoin) was efficiently used for the rapid conversion of thiobenzamides to the corresponding 3,5-diaryl-1,2,4-thiadiazoles in water–wet paste conditions.
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ACKNOWLEDGMENT
We are grateful to the University of Isfahan Research Council for financial support of this work.
Notes
a All products were characterized by 1H NMR, 13C NMR, and elemental analysis.
b All yields refer to pure isolated products.