Heterobimetallic uranyl(VI) alkoxides of lanthanoids: formation through simple ligand exchange

Dennis Grödler; Martin L. Weidemann; Andreas Lichtenberg; Tobias Greven; Robin Nickstadt; Malek Haydo; Mathias Wickleder; Axel Klein; Dirk Johrendt; Sanjay Mathur; Markus Zegke; Aida Raauf

doi:10.1039/D1CC05444A

Heterobimetallic uranyl(vi) alkoxides of lanthanoids: formation through simple ligand exchange†

Dennis Grödler,

^a Martin L. Weidemann,

^b Andreas Lichtenberg,

^a Tobias Greven,^a Robin Nickstadt,^a Malek Haydo,^a Mathias Wickleder,

^a Axel Klein,

^a Dirk Johrendt,

^b Sanjay Mathur,

^a Markus Zegke

*^a and Aida Raauf

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Institute for Inorganic Chemistry, University of Cologne, Greinstr. 6, 50939 Cologne, Germany
E-mail: m.zegke@uni-koeln.de, ajamil@uni-koeln.de

^b Department of Chemistry, Ludwig-Maximilians-University of Munich, Butenandtstraße 5-13 (D), 81377 Munich, Germany

Abstract

Lanthanoid and actinoid silylamides are versatile starting materials. Herein we show how a simple ligand exchange with tert-butanol leads to the formation of the first trimeric heterobimetallic uranyl(VI)–lanthanoid(III) alkoxide complexes. The μ³ coordination of the endogenous uranyl oxo atom results in a significant elongation of the bond length and a significant deviation from the linear uranyl arrangement.

Chemical Communications

Heterobimetallic uranyl(vi) alkoxides of lanthanoids: formation through simple ligand exchange†

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Heterobimetallic uranyl(VI) alkoxides of lanthanoids: formation through simple ligand exchange

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