99TcO4(-): selective recognition and trapping in aqueous solution.
Too hot to handle: Unprecedented affinity and specificity for (99)TcO(4)(-) in aqueous solution was shown with the p-xylyl azacryptand in the hexaprotonated form. A crystal structure of the complex reveals how the anion fits within the cavity of the cage, and the formation of multiple H-bond interactions with protonated amino groups stabilize the adduct.
Institute of Inorganic Chemistry, University of Zurich, Zurich, Switzerland.
Roger
R
Alberto
Greta
G
Bergamaschi
Henrik
H
Braband
Thomas
T
Fox
Valeria
V
Amendola