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每天学个机理---脱去氮气形成自由基

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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