2005•Australian Journal of ChemistryRequires access
N,N-Dialkyl (N'-Chlorosulfonyl)chloroformamidines in Heterocyclic Synthesis. I. The Preparation of [1,2,3,5]Thiatriazole and [1,3,2,4]Oxathiadiazole Derivatives
Gary D. Fallon, Saba Jahangiri, Andris J. Liepa, Ruth C. J. Woodgate
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Abstract
N,N-Dialkyl (N'-chlorosulfonyl)chloroformamidines 1 react regiospecifically with hydrazine derivatives to give [1,2,3,5]thiatriazole dioxides. Reaction of 1 with hydroxamic acids and N-methyl hydroxylamine gave derivatives of [1,3,2,4]oxathiadiazole dioxide 7, a new heterocycle.