Protactinium(V) and uranium(V) tropolonates
Abstract
Penta(tropolonato)-protactinium(V) and -uranium(V), [Pa(trop)5] and [U(trop)5]. have been prepared by reactions involving tropolone and the appropriate pentaethoxide in anhydrous benzene. Reactions between uranium pentachloride and an excess of tropolone in non-aqueous solvents have yielded chlorotetra(tropolonato) uranium(V), [U(trop)4Cl]. Some physical and chemical properties of these complexes are reported and the UCl5–tropolone reaction is discussed.