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An ionic liquid-functionalized amphiphilic Janus material as a Pickering interfacial catalyst for asymmetric sulfoxidation in water

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Abstract

Ionic liquid-functionalized amphiphilic Janus chiral salen TiIV catalysts were prepared by partial hydrophobic modification of silica with a chiral salen TiIV complex through an imidazolium ionic liquid (IL) linker. By optimizing their hydrophobic/hydrophilic balance, the IL-functionalized JNP materials exhibited excellent interfacial activity, significantly accelerating asymmetric sulfoxidation in water through the formation of stable Pickering emulsions. Moreover, catalyst recovery was readily achieved using centrifugation.

Graphical abstract: An ionic liquid-functionalized amphiphilic Janus material as a Pickering interfacial catalyst for asymmetric sulfoxidation in water

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Publication details

The article was received on 17 Oct 2018, accepted on 21 Nov 2018 and first published on 21 Nov 2018


Article type: Communication
DOI: 10.1039/C8CC08292H
Citation: Chem. Commun., 2019, Advance Article
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    An ionic liquid-functionalized amphiphilic Janus material as a Pickering interfacial catalyst for asymmetric sulfoxidation in water

    M. Zhang, Z. Tang, W. Fu, W. Wang, R. Tan and D. Yin, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C8CC08292H

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