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Heterogenized Ionic-Liquid Metal-Oxide Hybrids: Enhanced Catalytic Activity in the Liquid-Phase Beckmann Rearrangement

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<mark>Journal publication date</mark>3/12/2018
<mark>Journal</mark>ACS Sustainable Chemistry and Engineering
Issue number12
Number of pages9
Pages (from-to)16797-16805
Publication StatusPublished
Early online date29/10/18
<mark>Original language</mark>English


We report the design of stable, ionic-liquid hybrids, covalently anchored to the framework architectures of microporous and hierarchical solid supports. The ionic-liquid moieties that are anchored to the framework facilitate enhanced mass transport and afford superior catalytic performance in the Beckmann rearrangement of cyclic oximes at low temperatures. The ionic-liquid–metal oxide (IL-MO) hybrids also play an important role in modifying the reaction pathway, and synergistic enhancements in catalytic properties are attributed to the increased hydrophobicity of the anchored, imidazolium-based ionic liquid.