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

Tianyou Chen, Batian Chen, Konstantin Bukhriakov, Valentin Rodionov

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

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.
Original languageEnglish (US)
Pages (from-to)11638-11641
Number of pages4
JournalChem. Commun.
Volume53
Issue number85
DOIs
StatePublished - 2017

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