Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 359, Issue 22, Pages 3922-3926Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201700931
Keywords
quinoline N-oxides; alkynylation; visible-light; transition-metal-free; potassium hydroxide-catalyzed
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Funding
- Ministry of Science and Technology of China [2016YFE0132600]
- Science and Technology Innovation Program of Universities in Henan Province [16HASTIT007]
- Zhengzhou University
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An efficient potassium hydroxide-catalyzed alkynylation of heteroaromatic N-oxides under transition-metal-free conditions with the assistance of visible-light has been developed. Various C2-alkynylheterocycles were obtained in up to 92% yield with good functional group tolerance. This new method is operational simple, highly efficient, atom economic, and environmental friendly.
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