[FeFe] Hydrogenase active site model chemistry in a UiO-66 metal–organic framework

Pullen, Sonja, Roy, Souvik and Ott, Sascha (2017) [FeFe] Hydrogenase active site model chemistry in a UiO-66 metal–organic framework. Chemical Communications, 53 (37). pp. 5227-5230. ISSN 1359-7345

Full content URL: https://doi.org/10.1039/c7cc01620d

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Item Type:Article
Item Status:Live Archive


The reactivity of [Fe2(dcbdt)(CO)6] (1) confined in a UiO-66(Zr) metal–organic framework towards CO ligand substitutions with phosphines of different sizes was investigated. The reaction with smaller phosphines (PX3, X = Me, Et) is more selective compared to analogous reactions in homogenous solution phase, and two CO ligands at up to 80% of all [FeFe] sites in UiO-66–1 are replaced. The produced [Fe2(dcbdt)(CO)4(PX3)2] complexes in the UiO-66 matrix behave like typical [FeFe] hydrogenase active site model complexes, are reduced at more cathodic potentials than their hexacarbonyl analogues, and form bridging hydrides under acidic conditions.

Keywords:Hydrogenases, Ligands
Subjects:C Biological Sciences > C720 Biological Chemistry
F Physical Sciences > F100 Chemistry
F Physical Sciences > F161 Organometallic Chemistry
Divisions:College of Science > School of Chemistry
ID Code:40670
Deposited On:17 Apr 2020 10:04

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