Synthesis 2004(13): 2191-2195  
DOI: 10.1055/s-2004-829197
PAPER
© Georg Thieme Verlag Stuttgart · New York

TMSCl-Promoted Transition Metal-Catalyzed Aza-Michael Reactions of Chalcones with Carbamates

Li-Wen Xu, Chun-Gu Xia*
State Ky Laboratory of Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 30000, P. R. China
Fax: +86(31)277088; e-Mail: cgxia@ns.lzb.ac.cn;
Further Information

Publication History

Received 23 April 2004
Publication Date:
13 August 2004 (online)

Abstract

An improved strategy, which uses transition metals as effective catalyst in the presence of Me3SiCl, has been developed for the conjugate addition of chalcones with unactivated weakly nucleophilic carbamates.