The role of the capping bond effect on pyclen Y-nat(3+)/Y-90(3+) chelates: full control of the regiospecific N-functionalization makes the difference - ANR - Agence nationale de la recherche Accéder directement au contenu
Article Dans Une Revue Chemical Communications Année : 2017

The role of the capping bond effect on pyclen Y-nat(3+)/Y-90(3+) chelates: full control of the regiospecific N-functionalization makes the difference

Résumé

Thanks to a smart regiospecific N-functionalization, a pyclen based ligand bearing one picolinate and two acetate arms organized in a dissymmetric manner was synthesized for Y3+ complexation, and compared to its symmetric analogue. The nature of the capping bonds around the metal coordination environment has a dramatic effect on the properties of the chelate, the Y-nat(3+) and Y-90(3+) dissymmetric derivatives presenting enhanced thermodynamic stability and kinetic inertness.
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Dates et versions

hal-01616222 , version 1 (12-04-2024)

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Mariane Le Fur, Maryline Beyler, Eniko Molnar, Olivier Fougere, David Esteban-Gomez, et al.. The role of the capping bond effect on pyclen Y-nat(3+)/Y-90(3+) chelates: full control of the regiospecific N-functionalization makes the difference. Chemical Communications, 2017, 53 (69), pp.9534-9537. ⟨10.1039/c7cc05088g⟩. ⟨hal-01616222⟩
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