Abstract

The directing group assisted decarboxylative ortho-benzoylation of N-aryl-7-azaindoles with α-keto acids has been achieved by synergistic visible light promoted photoredox and palladium catalysis. The approach tenders rapid entry to aryl ketone architectures from simple α-keto acid precursors via the in situ generation of a benzoyl radical intermediate. The transformation provides a range of ortho-benzoylated N-aryl-7-azaindoles, with excellent site-selectivity and good functional group compatibility under mild reaction conditions. Biological target predictions indicate that these molecules may serve as potential anti-cancer and anti-viral agents.

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