Abstract
A palladium-catalyzed reductive formylation of aryl iodides with carbon dioxide as the carbonyl source under mild reaction conditions was realized by using a combination of Pd(PCy3)2Cl2 and di-2-pyridyl ketone as the catalyst and phenylsilane as the reductive reagent, leading to a variety of aromatic aldehydes in moderate to excellent yields. The protocol features wide substrate scope, good functional group tolerance, and simple operation.
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