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- Title
Direct asymmetric aldol reaction of acetophenones with aromatic aldehydes catalyzed by chiral Al/Zn heterobimetallic compounds.
- Authors
Li, Xiao; Zhang, Lei; Xiao, Yu-Hua; Guo, Qi-Peng; Da, Chao-Shan; Li, Hong; Liu, Xiaoju; Ma, Xiangrong; Ma, Yajun
- Abstract
Chiral Al/Zn heterobimetallic complexes are effective catalysts for the direct highly enantioselective aldol reaction of acetophenones with aromatic aldehydes. The Al site in the complex acts as a Lewis acid to activate aldehyde, whereas ethylzinc alkoxide plays a role of a Brønsted base to form a reactive zinc enolate with acetophenone. Distinct nature of two different metals contributes to the efficient direct asymmetric aldol reaction.
- Subjects
HETEROBIMETALLIC complexes; ACETOPHENONE; ALDEHYDES; CATALYSTS; ENANTIOSELECTIVE catalysis
- Publication
Russian Journal of General Chemistry, 2016, Vol 86, Issue 8, p1922
- ISSN
1070-3632
- Publication type
Article
- DOI
10.1134/S1070363216080247