The tris-aryloxide triazacyclononane ligand, (t-BuArO)3tacn3�, and its sterically more demanding derivatives have provided access to reactive coordination compounds of uranium in oxidation states III, IV, V, and VI in custom-tailored ligand environments.  These complexes display a pronounced reactivity towards small molecules of biological and industrial relevance.  Reactions are presented that result in carbon dioxide coordination, activation, splitting, and functionalization.  It is shown that charge-separated complexes are particularly reactive species that often lead to unprecedented chemistry.  Newly developed chelators and their exceedingly reactive U complexes are introduced and an outlook into their small molecule activation chemistry is given.

Carbon dioxide coordination, activation, and functionalization at reactive uranium complexes

243rd National Meeting (2012)

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