Hydrodefluorination of carbon–fluorine bonds by the synergistic action of a ruthenium–palladium catalyst

Sara Sabater, Jose A. Mata () and Eduardo Peris ()
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Sara Sabater: Universitat Jaume I
Jose A. Mata: Universitat Jaume I
Eduardo Peris: Universitat Jaume I

Nature Communications, 2013, vol. 4, issue 1, 1-7

Abstract: Abstract Catalytic hydrodefluorination of organic molecules is a major organometallic challenge, owing to the strength of C–F sigma bonds, and it is a process with multiple industrial applications. Here we report a new heterodimetallic ruthenium–palladium complex based on a triazolyl-di-ylidene ligand. The complex is remarkably active in the hydrodefluorination of aromatic and aliphatic carbon–fluorine bonds under mild reaction conditions. We observe that both metals are required to promote the reaction process. The overall process implies that the palladium fragment facilitates the C–F activation, whereas the ruthenium centre allows the reduction of the substrate via transfer hydrogenation from isopropanol/sodium t-butoxide. The activity of this heterodimetallic complex is higher than that shown by a mixture of the related homodimetallic complexes of ruthenium and palladium, demonstrating the catalytic benefits of the heterodimetallic complex linked by a single-frame ligand.

Date: 2013
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DOI: 10.1038/ncomms3553

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