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Inside Cover: Stable Pentavalent Uranyl Species and Selective Assembly of a Polymetallic Mixed‐Valent Uranyl Complex by Cation–Cation Interactions (Angew. Chem. Int. Ed. 45/2009)
Author(s) -
Mougel Victor,
Horeglad Pawel,
Nocton Grégory,
Pécaut Jacques,
Mazzanti Marinella
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200905187
Subject(s) - uranyl , uranium , disproportionation , actinide , chemistry , ethylenediamine , inorganic chemistry , ligand (biochemistry) , cover (algebra) , ion , organic chemistry , materials science , mechanical engineering , engineering , biochemistry , receptor , metallurgy , catalysis
Oligomeric cation–cation complexes of actinyls are highly relevant for nuclear waste reprocessing and the migration of actinides in the environment. In their Communication on page 8477 ff., M. Mazzanti et al. show that the N , N ′‐bis(salicylidene)ethylenediamine (salen) ligand can stabilize uranium in the pentavalent state. A tetrametallic cation–cation complex shows stability towards disproportionation and hydrolysis, and an unambiguous antiferromagnetic coupling between the four oxo‐bridged uranium centers.