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如何鉴别孤立二烯烃和共轭二烯烃
更新时间: 2020-09-16 00:00:00  

概念的不同:孤立二烯烃:个双键相隔两个以上单键。具有反应活性,可发生氢化、卤化、水合、卤氢化、次卤酸化、硫酸酯化、环氧化、聚合等加成反应,还可氧化发生双键的断裂,生成醛、羧酸等。共轭二烯烃:共轭二烯烃是含有两个碳碳双键,并且两个双键被一个单键隔开,即含有体系的二烯烃。最简单的共轭二烯烃是丁二烯。共轭二烯烃相对于累积二烯烃来说,更加稳定。反应的不同:凡是孤立二烯烃能够发生的反应,共轭二烯烃也能发生。相反,共轭二烯烃能够发生双烯合成,反应后由液态变成固态。

关键词: 如何 鉴别 孤立

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