CuBr2-promoted cyclization and bromination of arene–alkynes: C–Br bond formation via reductive elimination of Cu(III) species

Wangsheng Liu,Jinjin Chen,Ruiwen Jin,Dawen Xu,Yawei Li, Feifei Ba,Guangxin Gu,Yunyan Kuang,Hao Guo

ORGANIC CHEMISTRY FRONTIERS（2016）

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摘要

A CuBr2-promoted cyclization and bromination of arene-alkyne substrates has been developed, affording 9-bromophenanthrene derivatives highly efficiently. This reaction provides a novel and efficient protocol for C-Br bond formation from an inorganic bromine source via the reductive elimination of the Cu(III) species.

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关键词

cubr<sub>2</sub>-promoted bond formation,cyclization,arene–alkynes,bromination,reductive elimination

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