Journal of Organic Chemistry
Journal of Organic Chemistry
5 years ago

Cobalt/Copper-Cocatalyzed Synthesis of Imidazo[1,2-a:3,4-a′]dipyridiniums from 2H-[1,2′-Bipyridin]-2-ones and 2-Bromoacetophenones

Cobalt/Copper-Cocatalyzed Synthesis of Imidazo[1,2-a:3,4-a′]dipyridiniums from 2H-[1,2′-Bipyridin]-2-ones and 2-Bromoacetophenones
Rongrong Lv, Qinge Ma, Bo Li, Chen Fu, Zhipei Sang, Ting Li, Yuhan Yang, Hao Yang
A cobalt/copper-cocatalyzed facile synthesis of imidazo[1,2-a:3,4-a′]dipyridiniums from 2H-[1,2′-bipyridin]-2-ones and 2-bromoacetophenones is presented. This strategy provides an alternative to the imidazo[1,2-a:3,4-a′]dipyridinium synthesis by employing readily available substrates and a simple procedure, which would render this method potentially useful in organic synthesis.

Publisher URL: http://dx.doi.org/10.1021/acs.joc.7b01742

DOI: 10.1021/acs.joc.7b01742

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