N,N-Dialkyl-N′-Chlorosulfonyl Chloroformamidines in Heterocyclic Synthesis. VI. The Preparation of Some Fused [1,4,2,6]Dithiadiazine Dioxides
作者:Teresa Cablewski、Craig L. Francis、Andris J. Liepa
DOI:10.1071/ch08059
日期:——
N,N-Dialkyl-N′-chlorosulfonylchloroformamidines 1 were treated with 2-mercaptobenzimidazoles 2 to give [1,4,2,6]dithiadiazino[2,3-a]benzimidazole 1,1-dioxides 3. 3-Mercapto[1,2,4]triazoles 5 afforded [1,2,4]triazolo[2,3-b][1,4,2,6]dithiadiazine 1,1-dioxides 6 and [1,2,4]triazolo[4,3-b][1,4,2,6]dithiadiazine 1,1-dioxides 7. These products are derivatives of new or very rare heterocycles.
N,N-二烷基-N'-氯磺酰基氯甲脒 1 用 2-巯基苯并咪唑 2 处理得到 [1,4,2,6]二噻二嗪[2,3-a]苯并咪唑 1,1-二氧化物 3。 3-巯基[1 ,2,4]三唑5得到[1,2,4]三唑并[2,3-b][1,4,2,6]二噻二嗪1,1-二氧化物6和[1,2,4]三唑[4 ,3-b][1,4,2,6]dithiadiazine 1,1-dioxides 7. 这些产品是新的或非常稀有的杂环的衍生物。