期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 19, 期 2, 页码 394-398出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ob02350g
关键词
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资金
- National Natural Science Foundation of China [21961035, 22061001]
- Natural Science Foundation of Gansu Province [20JR5RA520]
- Program for Improving Scientific Research Ability of Young Teachers of Northwest Normal University [NWNU-LKQN-17-3]
The visible-light-promoted O-H insertion reaction between 2-pyridones and alpha-aryldiazoacetates proceeds smoothly under mild and catalyst-free conditions, leading to a wide scope of O-alkylated 2-pyridones with perfect selectivity and good functional group tolerance, likely attributed to a photoinduced radical process.
A visible-light-promoted O-H insertion reaction between 2-pyridones and alpha-aryldiazoacetates has been developed. Upon visible light irradiation, the reaction proceeds smoothly under mild and catalyst-free conditions. A wide scope of 2-pyridones and alpha-aryldiazoacetates are well tolerated, and various O-alkylated 2-pyridones are obtained with perfect selectivity and good functional group tolerance. A photoinduced radical process is probably responsible for the excellent selectivity.
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