O-Dihaloarenes as aryne precursors for nickel-catalyzed [2 + 2 + 2] cycloaddition with alkynes and nitriles

Literature Information

Publication Date 2008-05-06
DOI 10.1039/B801870G
Impact Factor 6.222
Authors

Jen-Chieh Hsieh, Chien-Hong Cheng


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Abstract

o-Dihaloarenes acting as aryne precursors react with acetylenes and nitriles catalyzed by the NiBr2(dppe)/dppe/Zn system to give substituted naphthalene, phenanthridine or triphenylene derivatives depending on the reaction conditions in moderate to excellent yields with good tolerance of functional groups.

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