Unexpected 1,3-Dipolar Cycloaddition Reaction of Thiazolo[3,2-a]pyrimidine Derivatives and Nitrilimine
作者:Xiaofang Li、Haochong Liu、Bin Liu、Aiting Zheng、Guobin Li、Xianyong Yu、Pinggui Yi
DOI:10.1002/cjoc.201190150
日期:2011.4
The 1,3‐dipolar cycloadditionreactions of nitrilimine with thiazolo[3,2‐a]pyrimidine derivatives was investigated. Bis‐cycloadducts were obtained through a domino 1,3‐dipolar cycloaddition/ring‐opening/ring‐opening/1,3‐dipolar cycloaddition processes. The structures of the products were characterized thoroughly by NMR, IR, MS, elemental analysis together with X‐ray crystallographic analysis.
研究了亚硝胺与噻唑并[3,2- a ]嘧啶衍生物的1,3-偶极环加成反应。通过多米诺骨牌1,3-偶极环加成/开环/开环/ 1,3-偶极环加成工艺获得双环加合物。产品的结构通过NMR,IR,MS,元素分析以及X射线晶体学分析进行了全面表征。