Synthesis 2011(7): 1085-1091  
DOI: 10.1055/s-0030-1258459
PAPER
© Georg Thieme Verlag Stuttgart ˙ New York

Asymmetric Direct Michael Addition of Acetophenone to α,β-Unsaturated Aldehydes

Wenjun Li, Wenbin Wu, Juanjuan Yang, Xinmiao Liang, Jinxing Ye*
Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. of China
Fax: +86(21)64251830; e-Mail: yejx@ecust.edu.cn;
Further Information

Publication History

Received 15 December 2010
Publication Date:
02 March 2011 (online)

Abstract

The asymmetric direct Michael addition of α,β-unsaturated aldehydes with acetophenone catalyzed by a Jørgensen-Hayashi­ catalyst in methanol was developed and the corresponding Michael products of δ-keto aldehydes could be afforded in up to 82% yield and 98% ee.