Regioselective [2 + 1] photocycloaddition of 2-pyridones with diazo compounds

Org. Biomol. Chem., 2023, Advance Article
DOI: 10.1039/D3OB01354E, Communication
Fengya He, Ziyi Sun, Chenyue Li, Zibin Jiang, Hui Miao, Qinglin Li, Chenggui Wu
A novel strategy for the regioselective cyclopropanation of 2-pyridones under photocatalyst-free conditions, showing excellent regio- and stereo-selectivity, is reported.
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