Abstract A series of 1,5,6,7-tetrahydrothiopyrano[2,3-d][1,2,3]triazole 4,4-dioxides, new triazole-based bicyclic ring system, were prepared via base-mediated click reaction of organic azides with the readily available dihydro-2H-thiopyran-3(4H)-one-1,1-dioxide. The reaction proceeded at room temperature in 5-12 h with catalysis by base-solvent system K2CO3/DMSO. High purity products were isolated
摘要 通过碱介导的点击反应制备了一系列 1,5,6,7-
四氢噻喃[2,3-d][1,2,3]三唑 4,4-二氧化物,新的三唑基双环体系。有机
叠氮化物与容易获得的二氢-2H-
噻喃-3(4H)-one-1,1-二氧化物。在碱-溶剂体系K2CO3/
DMSO的催化下,反应在室温下进行5-12小时。通过简单的过滤分离出高纯度的产物并且没有观察到副产物的形成。X射线研究证实了关键结构。图形概要