Synlett 2004(12): 2215-2217  
DOI: 10.1055/s-2004-831324
LETTER
© Georg Thieme Verlag Stuttgart · New York

Dipeptide-Catalyzed Direct Asymmetric Aldol Reaction

Lan-Xiang Shi, Qi Sun, Ze-Mei Ge, Yong-Qiang Zhu, Tie-Ming Cheng, Run-Tao Li*
School of Pharmaceutical Sciences, Peking University, Beijing 100083, P. R. China
Fax: +86(10)62346154; e-Mail: Lirt@mail.bjmu.edu.cn;
Further Information

Publication History

Received 18 June 2004
Publication Date:
31 August 2004 (online)

Abstract

(l)-H-Pro-(l)-Phe-OH (4) were found to be efficient catalysts for direct asymmetric aldol reactions between acetone and various aldehydes. The reaction conditions use a DMSO-NMM-PEMG 5000 system at 0 °C in high yields (62-96%) and enantioselectivities (up to >99% ee).