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Issue 22, 2017
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Imprinted micelles for chiral recognition in water: shape, depth, and number of recognition sites

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Abstract

Chiral molecular recognition is important to biology, separation, and asymmetric catalysis. Because there is no direct correlation between the chiralities of the host and the guest, it is difficult to design a molecular receptor for a chiral guest in a rational manner. By cross-linking surfactant micelles containing chiral template molecules, we obtained chiral nanoparticle receptors for a number of 4-hydroxyproline derivatives. Molecular imprinting allowed us to transfer the chiral information directly from the guest to host, making the molecular recognition between the two highly predictable. Hydrophobic interactions between the host and the guest contributed strongly to the enantio- and diastereoselective differentiation of these compounds in water, whereas ion-pair interactions, which happened near the surface of the micelle, were less discriminating. The chiral recognition could be modulated by tuning the size and shape of the binding pockets.

Graphical abstract: Imprinted micelles for chiral recognition in water: shape, depth, and number of recognition sites

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Publication details

The article was received on 28 Mar 2017, accepted on 17 May 2017 and first published on 17 May 2017


Article type: Paper
DOI: 10.1039/C7OB00764G
Citation: Org. Biomol. Chem., 2017,15, 4851-4858
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    Imprinted micelles for chiral recognition in water: shape, depth, and number of recognition sites

    J. K. Awino and Y. Zhao, Org. Biomol. Chem., 2017, 15, 4851
    DOI: 10.1039/C7OB00764G

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