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Supramolecular Assemblies of Amphiphilic L-Proline Regulated by Compressed CO2 as a Recyclable Organocatalyst for the Asymmetric Aldol Reaction

Authors

  • Long Qin,

    1. Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
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  • Dr. Li Zhang,

    Corresponding author
    1. Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
    • Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
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  • Dr. Qingxian Jin,

    1. Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
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  • Prof. Jianling Zhang,

    Corresponding author
    1. Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
    • Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
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  • Prof. Buxing Han,

    1. Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
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  • Prof. Minghua Liu

    Corresponding author
    1. Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
    • Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (P.R. China)
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  • We gratefully acknowledge funding of this research by the Basic Research Development Program (2010CB833305), the National Natural Science Foundation of China (Nos. 91027042, 21021003, 21227802).

Abstract

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Compressed CO2 triggers the formation of amphiphilic proline supramolecular assemblies in water, which catalyze the asymmetric aldol reaction without any additives. Compressed CO2 can dynamically regulate the size of the assemblies and subsequently the catalyst activity and selectivity. Furthermore, CO2 provides the merit of easy separation and purification, making the process sustainable and recyclable.

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