Synthesis 2007(16): 2571-2575  
DOI: 10.1055/s-2007-983795
SPECIALTOPIC
© Georg Thieme Verlag Stuttgart · New York

Chiral-Thiourea-Catalyzed Direct Mannich Reaction

Yousuke Yamaoka, Hideto Miyabe, Yoshizumi Yasui, Yoshiji Takemoto*
Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
Fax: +81(75)7534569; e-Mail: takemoto@pharm.kyoto-u.ac.jp;
Further Information

Publication History

Received 1 January 2007
Publication Date:
12 July 2007 (online)

Abstract

In the presence of a chiral thiourea as a bifunctional organocatalyst, Mannich reaction of N-Boc-imine with prochiral 1,3-dicarbonyl compounds proceeded with excellent enantio- and dia­stereoselectivities.