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A protocol for C−H carboxylation of electron‐deficient 2‐pyridylphenols with CO2 through a Rh(II)‐catalyzed C−H bond activation under redox‐neutral conditions has been developed. A suitable phosphine ligand was crucial for this reaction. This method provided, in generally high yields, an access to a class of pyrido‐coumarins that are key structural motifs in biologically important molecules. Facile...
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