Dr. Fang Yang, Ke-Gong Ji, Hai-Tao Zhu, Ali Shaukat, Xue-Yuan Liu and Prof. Dr. Yong-Min Liang Electrophilic Carbocyclization of Hydroxylated Enynes Chemistry - A European Journal 17
Mild, efficient, and clean! Six-membered cyclic products including diiodocyclohexadiene and 2,3-diiodobenzene have been prepared in a iodonium-induced internal carbocyclization of hydroxylated enynes (see scheme). This reaction proceeds smoothly under mild reaction conditions, and all the halogen atoms (I and Br) generated from the electrophiles are used effectively.
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