Synthesis and characterization of a novel macrocyclic ligand containing nine donor atoms

G. B. Giovenzana, G. Jommi, R. Pagliarin, M. Sisti, S. Aime, M. Botta, S. Geninatti Crich

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

The synthesis of a novel macrocyclic ligand containing nine potential coordination sites (six nitrogens and three oxygens) formed by a triazacyclododecane ring trisubstituted with -CH2-CH2-N(CH2Ph)-CH2COOH groups is reported. The protonation scheme of this ligand has been elucidated by measuring the proton NMR shifts of the various methylenic resonances upon changing the pH of the solution. This ligand affords stable metal complexes with Cd2+ ion, whose 1H- and 13C-NMR spectra suggest a remarkable kinetic inertia and stereochemical rigidity.

Lingua originaleInglese
pagine (da-a)94-98
Numero di pagine5
RivistaRecueil des Travaux Chimiques des Pays-Bas-Journal of the Royal Netherlands
Volume115
Numero di pubblicazione1
DOI
Stato di pubblicazionePubblicato - gen 1996
Pubblicato esternamente

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