Bromination of 2, 1, 3??benzothiadiazoles

K Pilgram, M Zupan, R Skiles

Index: Pilgram,K. et al. Journal of Heterocyclic Chemistry, 1970 , vol. 7, p. 629 - 633

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Citation Number: 198

Abstract

Abstract The bromination of 2, 1, 3-benzothiadiazoles in 47% hydrobromic acid at elevated temperature has led to a general preparative method for the synthesis in high yield of otherwise difficulty accessible brominated 2, 1, 3-benzothiadiazoles. The typical addition reaction is apparently eliminated under these reaction conditions and substitution takes place exclusively. Bromination of 2, 1, 3-benzothiadiazole occurs successively at positions ...

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