Synlett 2011(7): 1033-1037  
DOI: 10.1055/s-0030-1259732
LETTER
© Georg Thieme Verlag Stuttgart ˙ New York

d-Camphor-Derived Triazolium Salts for Enantioselective Intramolecular Stetter Reactions

Zi-Qiang Ronga,b, Yi Lia, Gui-Qiu Yangb, Shu-Li You*a
a State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, P. R. of China
Fax: +86(21)54925087; e-Mail: slyou@sioc.ac.cn;
b College of Chemical Engineering, Shenyang University of Chemical Technology, Shenyang 110142, P. R. of China
Further Information

Publication History

Received 18 November 2010
Publication Date:
10 March 2011 (online)

Abstract

Chiral triazolium salts based on the camphor scaffold have been found highly efficient for the asymmetric intramolecular Stetter reaction. With 10 mol% of the catalyst, the desired products were obtained in excellent yields with up to 97% ee.