Synlett 2015; 26(12): 1720-1724
DOI: 10.1055/s-0034-1380723
letter
© Georg Thieme Verlag Stuttgart · New York

Lewis Acid Catalyzed [3+2] Coupling of Quinone Monoacetals or Quinone Imine Ketals with Vinylcarbamates

Li-Hua Liao
a   Key Laboratory for Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P. R. of China   Email: xmzhang@cioc.ac.cn
b   University of Chinese Academy of Sciences, Beijing, 100049, P. R. of China
,
Min-Min Zhang
a   Key Laboratory for Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P. R. of China   Email: xmzhang@cioc.ac.cn
b   University of Chinese Academy of Sciences, Beijing, 100049, P. R. of China
,
Yi-Jun Liao
a   Key Laboratory for Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P. R. of China   Email: xmzhang@cioc.ac.cn
b   University of Chinese Academy of Sciences, Beijing, 100049, P. R. of China
,
Wei-Cheng Yuan
a   Key Laboratory for Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P. R. of China   Email: xmzhang@cioc.ac.cn
,
Xiao-Mei Zhang*
a   Key Laboratory for Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, P. R. of China   Email: xmzhang@cioc.ac.cn
› Author Affiliations
Further Information

Publication History

Received: 10 February 2015

Accepted after revision: 09 April 2015

Publication Date:
21 May 2015 (online)


Abstract

A mild and concise [3+2] coupling of quinone monoacetals or quinone imine ketals with vinylcarbamates promoted by Lewis acid was realized. Various 2-carbamate-2,3-dihydrobenzofurans and 2-carbamate-indolines have been prepared in moderate to good yields.

Supporting Information