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Issue 32, 2018
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Nuclearity effects in supported, single-site Fe(II) hydrogenation pre-catalysts

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Dimeric and monomeric supported single-site Fe(II) pre-catalysts on SiO2 have been prepared via organometallic grafting and characterized with advanced spectroscopic techniques. Manipulation of the surface hydroxyl concentration on the support influences monomer/dimer formation. While both pre-catalysts are highly active in liquid-phase hydrogenation, the dimeric pre-catalyst is ∼3× faster than the monomer. Preliminary XAS experiments on the H2-activated samples suggest the active species are isolated Fe(II) sites.

Graphical abstract: Nuclearity effects in supported, single-site Fe(ii) hydrogenation pre-catalysts

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Supplementary files

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The article was received on 03 Jul 2018, accepted on 05 Jul 2018 and first published on 17 Jul 2018

Article type: Communication
DOI: 10.1039/C8DT02720J
Citation: Dalton Trans., 2018,47, 10842-10846

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    Nuclearity effects in supported, single-site Fe(II) hydrogenation pre-catalysts

    R. R. Langeslay, H. Sohn, B. Hu, J. S. Mohar, M. Ferrandon, C. Liu, H. Kim, A. Jeremy Kropf, C. Yang, J. Niklas, O. G. Poluektov, E. Ercan Alp, P. Ignacio-de Leon, A. P. Sattelberger, A. S. Hock and M. Delferro, Dalton Trans., 2018, 47, 10842
    DOI: 10.1039/C8DT02720J

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