Merrifield Resin Supported Ionic
Liquids/l-Proline as Efficient
and Recyclable Catalyst Systems for Asymmetric Aldol Reaction

Zuli Wang; Jincan Yan; Xiuli Zhang; Lei Wang

doi:10.1055/s-0029-1217013

PAPER

Merrifield Resin Supported Ionic Liquids/l-Proline as Efficient and Recyclable Catalyst Systems for Asymmetric Aldol Reaction

Zuli Wang^a, Jincan Yan^a, Xiuli Zhang*^b,c, Lei Wang*^a,c
^a Department of Chemistry, Huaibei Coal Teachers College, Huaibei, Anhui 235000, P. R. of China
^b College of Science, Anhui Agricultural University, Hefei, Anhui 230036, P. R. of China
^c State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. of China
Fax: +86(561)3090518; e-Mail: leiwang@hbcnc.edu.cn;

Abstract

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Abstract

Merrifield resin supported ionic liquids/l-proline as efficient and recyclable catalyst systems for asymmetric aldol reaction have been developed. l-Proline with Merrifield resin supported ionic liquids can catalyze asymmetric aldol reaction smoothly and generate the corresponding products in good to excellent yields and ee values. In addition, the supported catalyst systems can be recycled simply by filtration and reused for five times without significant decrease in activity.

Key words

Merrifield resin - organocatalyst - aldol reaction - l-proline - ionic liquids - supported catalysts

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