Synthesis and Characterization of a Water Stable Uranyl(V) Complex

We have identified a polydentate aminocarboxylate ligand that stabilizes uranyl(V) in water. The mononuclear [UO2(dpaea)]X, (dpaeaH2 = Bis(pyridyl-6-methyl-2-carboxylate)-ethylamine; X = CoCp2*+ or X = K(2.2.2.cryptand) complexes have been isolated from anaerobic organic solution, crystallographically and spectroscopically characterized both in water and organic solution. These complexes disproportionate at pH ≤ 6, but are stable in anaerobic water at pH 7–10 for several days.


Published in:
Journal of the American Chemical Society, 140, 42, 13554-13557
Year:
Oct 05 2018
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 Record created 2018-10-23, last modified 2020-04-20

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