Propargylation of 1,3-Dicarbonyl Compounds with 1,3-Diarylpropynes via Oxidative Cross-Coupling between sp3 C-H and sp3 C-H.

[摘要]：A highly efficient oxidative-coupling reaction between diarylpropargylic sp3 C-H and active methylenic sp3 C-H was achieved with DDQ as oxidant. The reaction afforded a direct method for the propargylation of 1,3-dicarbonyl compds., thus providing a concise synthesis of the corresponding products.

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