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Issue 43, 2016
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Supported C60-IL-PdNPs as extremely active nanocatalysts for C–C cross-coupling reactions

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Abstract

A C60-ionic liquid hybrid has been covalently linked to three different solid supports, namely amorphous silica, SBA-15 and Fe2O3@SiO2, and the resulting materials have been employed as covalently supported ionic liquid phases (cSILP) in order to immobilize and stabilize palladium nanoparticles (PdNPs). These novel hybrid materials are based on a sort of “matryoshka” system (PdNPs@imidazolium-salt@C60@support) in which the imidazolium-based moieties have not been directly linked to the surface of the support, but they are present in an octopus-like spatial arrangement on the uniformly surface-distributed fullerenes. These materials have been fully characterized and successfully employed as catalysts in C–C bond forming reactions showing, in the case of Suzuki cross-coupling, an outstanding catalytic activity both under classical heating and by irradiating with microwaves. Turn-over frequencies (TOFs) of up to 3 640 000 h−1 have been achieved and the silica-based catalyst showed full recyclability even after 10 cycles.

Graphical abstract: Supported C60-IL-PdNPs as extremely active nanocatalysts for C–C cross-coupling reactions

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Publication details

The article was received on 02 Sep 2016, accepted on 14 Oct 2016 and first published on 14 Oct 2016


Article type: Paper
DOI: 10.1039/C6TA07599A
Citation: J. Mater. Chem. A, 2016,4, 17193-17206
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    Supported C60-IL-PdNPs as extremely active nanocatalysts for C–C cross-coupling reactions

    F. Giacalone, V. Campisciano, C. Calabrese, V. La Parola, L. F. Liotta, C. Aprile and M. Gruttadauria, J. Mater. Chem. A, 2016, 4, 17193
    DOI: 10.1039/C6TA07599A

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