Palladium-Catalyzed ortho-CH-Bond Oxygenation of Aromatic Ketones

[摘要]：A palladium-catalyzed C-(sp2)-H bond oxygenation reaction is described. This protocol represents the first example of a C-H bond cleavage/C-O bond formation sequence, by employing a ketone moiety as the directing group. With this new catalytic method, a variety of ortho-acylphenols can be easily accessed from arylketones.

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