An efficient Cu-catalyzed intramolecular hydroarylation reaction of alkynes has been developed. The reaction is accomplished under mild conditions and shows good tolerance to both electron-rich and electron-deficient aryl nucleophiles. A series of aryl, heteroaryl, alkyl, and even N-group attached alkynes are all suitable substrates for the intramolecular hydroarylation.
Y. Wang, W. Zhang, J. Dai, Y. Feng and H. Xu, RSC Adv., 2014, 4, 61706 DOI: 10.1039/C4RA12258E
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