Synlett 2015; 26(18): 2557-2560
DOI: 10.1055/s-0035-1560180
letter
© Georg Thieme Verlag Stuttgart · New York

MnO2-Catalyzed Oxidative Alkylation of Enamides with Ethers via C(sp3)–H/C(sp2)–H Cross-Dehydrogenative Coupling and Hydrolysis Sequence

Authors

  • Zhiyan Hu

    a   College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. of China   eMail: future@zjut.edu.cn
    b   Key Laboratory of Chemical Ultilization of Forestry Biomass of Zhejiang Province, School of Science Zhejiang Agriculture and Forestry University, Lin’an 311300, P. R. of China
  • Yucai Tang

    a   College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. of China   eMail: future@zjut.edu.cn
  • Shan Zhang

    a   College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. of China   eMail: future@zjut.edu.cn
  • Xiaoqing Li

    a   College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. of China   eMail: future@zjut.edu.cn
  • Xiaohua Du

    a   College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. of China   eMail: future@zjut.edu.cn
  • Xiangsheng Xu*

    a   College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. of China   eMail: future@zjut.edu.cn
Weitere Informationen

Publikationsverlauf

Received: 25. Mai 2015

Accepted after revision: 23. Juli 2015

Publikationsdatum:
02. September 2015 (online)


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Abstract

A new MnO2-catalyzed oxidative alkylation of enamides with a C(sp3)–H bond adjacent to an oxygen atom is described. This method achieves a C(sp3)-H/C(sp2)-H cross-dehydrogenative coupling and hydrolysis, thus providing efficient and general access to a variety of β-oxo ketones.

Supporting Information