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醛基能和氢气加成吗
更新时间: 2020-10-28 00:00:00  

醛基、羰基可以和氢气发生加成反应,生成醇,其它不能和氢气加成,这几种官能团都不能和卤素发生加成反应。因为醛基上有一个与羰基相连的氢,受羰基影响,这个氢具有很强的活泼性。所以醛基易被氧化成羧基。酯、酮中虽然也有碳氧双键,但没有这个位置的氢,所以没有这样的性质。

关键词: 氢气

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