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环状化合物

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环状化合物指分子中原子以环状排列的化合物,通常指有机化合物[1]。环中有几个原子,该环就称“几元环”。“多环”指环的个数超过1,如;而“大环”则一般指环中原子个数大于12的环状化合物。

  • 苯,单环化合物
    苯,单环化合物
  • 萘,多环化合物
    萘,多环化合物
  • 卟啉,大环化合物
    卟啉,大环化合物

环状化合物可以以下标准分类:

环化及开环反应

Dieckman关环反应
Dieckman关环反应

生成环状结构的有机反应称为环化反应关环反应成环反应,打开环状结构的反应则称开环反应

典型的环化反应有:

典型的开环反应有:

  • 开环聚合反应—聚合反应的一大类
  • 开环复分解聚合

参考资料

  1. ^ March, Jerry (1985). Advanced Organic Chemistry, Reactions, Mechanisms and Structure, third Edition, John Wiley & Sons. ISBN 0-471-85472-7.

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环状化合物
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