4.8 Article

Rh(III)- and Zn(II)-Catalyzed Synthesis of Quinazoline N-Oxides via C-H Amidation-Cycliiation of Oximes

Journal

ORGANIC LETTERS
Volume 18, Issue 23, Pages 6144-6147

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b03155

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Funding

  1. NSFC [21525208, 21472186]
  2. Dalian Institute of Chemical Physics (CAS)
  3. Strategic Priority Research Program of the Chinese Academy of Sciences [XDB 17020300]

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Quinazoline N-oxides have been prepared from simple ketoximes and 1,4,2-dioxazol-5-ones via Rh(III)-catalyzed C-H activation amidation of the ketoximes and subsequent Zn(II)-catalyzed cyclization. The substrate scope and functional group compatibility were examined. The reaction features relay catalysis by Rh(III) and Zn(II).

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