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Thiols make for better catalysts: Au nanoparticles supported on functional SBA-15 for catalysis of Ullmann-type homocouplings

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Abstract

A strategy for arraying small gold nanoparticles on a mesoporous support modified with single-component or mixed self-assembled monolayers is described. The use of mixed surface modifiers allows easy access to a range of surface chemistries and modalities of interaction between nanoparticles and supports. A combination of thiol groups and linear semifluorinated chains effectively stabilized the nanoparticles against aggregation, while preserving their catalytic activity. The thiol-fluorous-supported catalyst was found active in Ullmann-type homocoupling of aryl halides and showed exceptional selectivity in this reaction.

Graphical abstract: Thiols make for better catalysts: Au nanoparticles supported on functional SBA-15 for catalysis of Ullmann-type homocouplings

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Publication details

The article was received on 08 Aug 2017, accepted on 21 Sep 2017 and first published on 21 Sep 2017


Article type: Communication
DOI: 10.1039/C7CC06146C
Citation: Chem. Commun., 2017, Advance Article
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    Thiols make for better catalysts: Au nanoparticles supported on functional SBA-15 for catalysis of Ullmann-type homocouplings

    T. Chen, B. Chen, K. V. Bukhryakov and V. O. Rodionov, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC06146C

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