Synthesis 2016; 48(01): 79-84
DOI: 10.1055/s-0035-1560833
paper
© Georg Thieme Verlag Stuttgart · New York

N-Heterocyclic Carbene-Catalyzed Vinylogous Mukaiyama Aldol Reaction of α-Keto Esters and α-Trifluoromethyl Ketones

Autor*innen

  • Ying Wang

    a   School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region, 832000 Shihezi, P. R. of China   eMail: duguangfen@shzu.edu.cn
  • Fen Xing

    a   School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region, 832000 Shihezi, P. R. of China   eMail: duguangfen@shzu.edu.cn
  • Mei Xue

    a   School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region, 832000 Shihezi, P. R. of China   eMail: duguangfen@shzu.edu.cn
  • Guang-Fen Du*

    a   School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region, 832000 Shihezi, P. R. of China   eMail: duguangfen@shzu.edu.cn
    b   Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region, 832000 Shihezi, P. R. of China
  • Xu-Hong Guo

    a   School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region, 832000 Shihezi, P. R. of China   eMail: duguangfen@shzu.edu.cn
    b   Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region, 832000 Shihezi, P. R. of China
  • Kuo-Wei Huang

    c   Division of Chemical and Life Sciences & Engineering, and Catalysis Center, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
  • Bin Dai

    a   School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region, 832000 Shihezi, P. R. of China   eMail: duguangfen@shzu.edu.cn
Weitere Informationen

Publikationsverlauf

Received: 16. August 2015

Accepted after revision: 07. Oktober 2015

Publikationsdatum:
04. November 2015 (online)


Graphical Abstract

Abstract

N-Heterocyclic carbene (NHC)-catalyzed vinylogous Mukaiyama aldol reaction of ketones was developed. Under the catalysis of 5 mol% NHC, α-keto esters and α-trifluoromethyl ketones reacted with 2-(trimethysilyloxy)furan efficiently to produce γ-substituted butenolides containing adjacent quaternary and tertiary carbon centers in high yields with good diastereoselectivities.

Supporting Information