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Hua Zhang, Renyi Shi, Pei Gan, Chao Liu, Anxing Ding, Qiuyi Wang and Prof. Aiwen Lei Palladium-Catalyzed Oxidative Double C[BOND]H Functionalization/Carbonylation for the Synthesis of Xanthones Angewandte Chemie International Edition 51

Version of Record online: 4 APR 2012 | DOI: 10.1002/anie.201201050

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Two at once: Xanthones with different functional groups were obtained with CO (balloon) in the presence of a simple catalytic system that consists of Pd(OAc)2, K2S2O8, and trifluoroacetic acid (see scheme). Preliminary mechanism studies reveal that the second C[BOND]H functionalization might be the rate-determining step.

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