We present a ligand-to-metal charge transfer (LMCT)-enabled, iron-photocatalyzed decarboxylative arylalkylation protocol for coupling readily accessible N-arylacrylamides with commercially available, structurally diverse carboxylic acids, furnishing various alkylated amides bearing acyclic quaternary stereocenters or cyclic alkylated oxindoles with high chemoselectivity. The protocol is applicable to a wide range of carboxylic acid substrates, encompassing primary, secondary, and tertiary alkyl carboxylic acids, along with structurally complex bioactive carboxylic acids.
Li et al. (Wed,) studied this question.
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