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Issue 3, 2013
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Tuning the catalytic activity of L-proline functionalized hydrophobic nanogel particles in water

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Abstract

L-Proline functionalized PMMA nanogels with a range of catalyst functionalization (0.5–15 wt%) and cross-linking densities (0–50 wt%) were prepared via emulsion polymerization. The catalyst efficiency in water was investigated using a model asymmetric aldol reaction and an unprecedented reduction in catalyst loading, whilst maintaining high catalytic activity, is reported. In these reactions, a marked effect on selectivity was observed and determined to be dependent on the hydrophobicity of the nanogel particles. Furthermore, the effect of increasing cross-linking density on the catalytic efficiency of these particles (and their core–shell analogues) was explored and a significant reduction in activity was observed.

Graphical abstract: Tuning the catalytic activity of l-proline functionalized hydrophobic nanogel particles in water

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Publication details

The article was received on 17 Aug 2012, accepted on 02 Nov 2012 and first published on 20 Nov 2012


Article type: Edge Article
DOI: 10.1039/C2SC21300A
Citation: Chem. Sci., 2013,4, 965-969
  • Open access: Creative Commons BY license
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    Tuning the catalytic activity of L-proline functionalized hydrophobic nanogel particles in water

    A. Lu, D. Moatsou, D. A. Longbottom and R. K. O'Reilly, Chem. Sci., 2013, 4, 965
    DOI: 10.1039/C2SC21300A

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