Journal
CHEMICAL COMMUNICATIONS
Volume 52, Issue 81, Pages 12076-12079Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc06428k
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Funding
- National Natural Science Foundation of China [21272080]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
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The first palladium-catalyzed Sonogashira coupling of amides has been developed, which proceeds via a selective cleavage of the N-acylsaccharin C-N bond. Notably, the new approach employs N-acylsaccharins as coupling partners to give ynones in good to excellent yield. This protocol can be efficiently utilized in the synthesis of a broad array of ynones under low catalyst loading and Cu-free conditions.
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