卤原子作为炔烃三键活化基团和定位基，炔烃三键发生亲电加成反应；
This type of reaction has signicant advantages, the alkyne proceeds the coupling reaction with the halogen atom as the leaving group.
卤原子作为炔烃三键活化基团和定位基，炔烃三键发生亲电加成反应；
This type of reaction has signicant advantages, the alkyne proceeds the coupling reaction with the halogen atom as the leaving group.
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