Synthesis 2015; 47(19): 2924-2930
DOI: 10.1055/s-0034-1378718
special topic
© Georg Thieme Verlag Stuttgart · New York

Hypervalent Iodine Mediated C–C Double Bond Activation: A Cascade Access to α-Keto Diacetates from Readily Available Cinnamic Acids

Authors

  • Le Liu

    Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. of China   Email: duyunfeier@tju.edu.cn   Email: kangzhao@tju.edu.cn
  • Daisy Zhang-Negrerie

    Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. of China   Email: duyunfeier@tju.edu.cn   Email: kangzhao@tju.edu.cn
  • Yunfei Du*

    Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. of China   Email: duyunfeier@tju.edu.cn   Email: kangzhao@tju.edu.cn
  • Kang Zhao*

    Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. of China   Email: duyunfeier@tju.edu.cn   Email: kangzhao@tju.edu.cn
Further Information

Publication History

Received: 01 April 2015

Accepted after revision: 03 May 2015

Publication Date:
24 June 2015 (online)


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Abstract

The reaction of cinnamic acids with (diacetoxyiodo)benzene in 1,2-dichloroethane in the presence of sulfuric acid provides an easy and direct access to the α-keto diacetate framework. This hypervalent iodine mediated oxidative reaction involves a tandem sequence of aryl migration, insertion of an oxygen atom, decarboxylation and diacetoxylation. A reaction mechanism is proposed and discussed in light of control experiments.

Supporting Information