Halogenating reaction is one of the most important reactions in organic synthesis and the choosing of appropriate halogenating reagent is the hot spot of this field and plays an important role in achieving this kind of reaction 摘要卤代反应是有机合成中的一类重要反应，选择合适的卤化试剂是实现该类反应的关键，也是目前研究的热点之一。
