反应实例

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反应说明:该反应是ramberg-backlund反应

反应机理

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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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