Abstract

AbstractHerein, we report a protocol for rhodium(III)‐catalyzed aldehydic C(sp2)−H acylmethylation reactions of quinoline‐8‐carboxaldehydes using sulfoxonium ylides as carbene precursors to afford 1,3‐diketones, which readily tautomerized to their enol forms. We determined the reaction mechanism by synthesizing the key intermediate, a five‐membered‐ring acylrhodium species.

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