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

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
› Author Affiliations
Further Information

Publication History

Received: 16 August 2015

Accepted after revision: 07 October 2015

Publication Date:
04 November 2015 (online)


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