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如何在苯环上引入羟基
更新时间: 2020-09-24 00:00:00  

苯环上引入羟基的方法:

1、苯发生硝化反应,得到硝基苯,接着铁粉加盐酸做还原剂,得到苯胺,苯胺发生重氮化反应,得到氯化重氮苯,酸性条件下水解就在苯环上引入了羟基。

2、先用卤素原子对苯环上的氢进行取代,在用羟基取代卤素原子,就将羟基引入到苯环。

关键词: 如何 引入 羟基

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