In this paper, the three-component cascade reaction including aryne, quinoline and methylene chloride was developed,a series of heterocyclic compounds containing chlorine were successfully synthesized, which had an important role in organic synthesis. Quinolone reacting with 1.5 equiv aryne in methylene chloride at room temperature in the presence of 2 equiv KF and 18-C-6 gave a series of dihydroquinoline derivatives from 56% to 86% yields. The reaction has the advantages of mild reaction conditions and wid...
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