Open AccessMulti-electron Transfer by U(ɪɪ) and Masked U(ɪɪ) Complexes
Author(s) -
Dieuwertje Modder,
Marinella Mazzanti
Publication year - 2022
Publication title -
chimia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.387
H-Index - 55
eISSN - 2673-2424
pISSN - 0009-4293
DOI - 10.2533/chimia.2022.303
Subject(s) - electron transfer , synthon , uranium , diphenylacetylene , chemistry , molecule , photochemistry , stereochemistry , materials science , organic chemistry , catalysis , metallurgy
Complexes of uranium in low oxidation state have shown the ability of activating non-reactive small molecules such as N2. However, the multi-electron transfer required for such activation, remains limited in uranium chemistry. Here, we review our recent research on the use of different strategies to overcome this issue, which has led to the isolation of a diuranium(ɪɪɪ) bridging oxide complex that reacts as a U(ɪɪ) synthon able to effect one-electron transfer per uranium center to N-heterocycles and multi-electron transfer to diphenylacetylene and azobenzene. We also showed that a closely related molecular U(ɪɪ) complex effects the same reactions providing the first unambiguous example of a monouranium four-electron transfer.