期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 16, 期 8, 页码 1247-1251出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ob03113k
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资金
- NSFC [21762003]
- NSF of Jiangxi Province [20171ACB21048]
- NSF of the Jiangxi Provincial Education Department [GJJ160924, GJJ160956]
- University Students' Innovative Undertaking of Gannan Normal University [CX161002]
- Open Fund of the Key Laboratory of Functional Molecular Engineering of Guangdong Province, the South China University of Technology [2017kf04]
An efficient synthesis of a variety of pyridyl benzamides from 2-aminopyridines and nitroolefins is described. This rare-earth-metal-catalyzed reaction provides the corresponding products with broad substrate scope in moderate to excellent yields, in the absence of additives and external oxidants. Water is used as the source of the carbonyl oxygen atom in pyridyl benzamides. Furthermore, 2-substituted oxazolo[4,5-b] pyridines are formed in good yields under the standard conditions when 2-aminopyridin3-ols are used as the substrates.
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