Journal
ORGANIC LETTERS
Volume 23, Issue 2, Pages 595-600Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.0c04162
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Funding
- National Natural Science Foundation [21772046, 2193103]
- Subsidized Project for Cultivating Postgraduates Innovative Ability in Scientific Research of Huaqiao University
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Umpolung is a unique strategy that converts the property of an atom into the opposite one. An efficient and general method for constructing quinoline N-oxides from ortho-nitro chalcones and hydrazine has been developed under transition-metal free conditions. The strategy shows good functional group tolerance, environmental friendliness, and mild reaction conditions, with nitrogen gas as the byproduct.
Umpolung is a unique strategy which converts the property of an atom into the opposite one. An efficient and general method for the construction of quinoline N-oxides via umpolung of carbonyl groups was developed from ortho-nitro chalcones and hydrazine in basic conditions. The strategy is transition-metal free and has good functional group tolerance, environmental friendliness, as well as mild reaction conditions with nitrogen gas as the byproduct.
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