反应实例
反应说明:该反应是ramberg-backlund反应
反应机理
a:形成磺烯
b:重氮甲烷与磺烯进行1,3-偶极环化
c:脱掉一分子氮气形成环乙砜
d:发生ramberg-backlund反应脱掉一分子二氧化硫得到产物
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