4.7 Article

Cp*Co(III)-catalyzed amidation of olefinic and aryl C-H bonds: highly selective synthesis of enamides and pyrimidones

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CHEMICAL COMMUNICATIONS
卷 54, 期 34, 页码 4345-4348

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ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc01447g

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资金

  1. National Key Research and Development Program of China [2017YFD0201401]
  2. National Natural Science Foundation of China [41766006, 21472186, 21525208]

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A highly efficient and selective synthesis of enamides via C-H amidation of N-methoxy acrylamides with dioxazolones is realized under [Cp*Co-III] catalysis. The resulting enamide can further selectively cyclize to form pyrimidones, which can also act as a directing group for a second C-H amidation. All these three classes of products were selectively delivered under controlled conditions.

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