Photocatalytic Regioselective Redox-Neutral 1,3-Oxypyridylation of Aryl Cyclopropanes
Dong-Jie Li,
Xia-Ling Liu,
You-Zhi Liao
et al.
Abstract:Pyridines and cyclopropanes are important structural units in chemistry. Herein, we introduce a photoredox-catalyzed approach for the ring opening and 1,3-oxypyridylation of aryl cyclopropanes using 4-cyanopyridines and carboxylic acids. This sequential process involves single-electron oxidation of the aryl cyclopropane, leading to nucleophilic ring opening and radical pyridylation at the benzylic position. The redox-neutral reaction exhibits high regioselectivity under mild reaction conditions, offering a bro… Show more
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