Coordination behaviour of new open chain and macrocyclic peptidomimetic compounds with copper (ii)
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Coordination behaviour of new open chain and macrocyclic peptidomimetic compounds with copper (ii)Autoria
Data de publicació
2015-08Editor
Royal Society of ChemistryCita bibliogràfica
WADHAVANE, Prashant D., et al. Coordination behaviour of new open chain and macrocyclic peptidomimetic compounds with copper (ii). RSC Advances, 2015, vol. 5, no 89, p. 72579-72589.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://pubs.rsc.org/en/content/articlehtml/2015/ra/c5ra15852dParaules clau / Matèries
Resum
Two valine-derived bis(amino amides) ligands have been prepared and fully characterized. Both compounds contain additional functionalities that implement their basicity and their water solubility. Besides, compound 1 ... [+]
Two valine-derived bis(amino amides) ligands have been prepared and fully characterized. Both compounds contain additional functionalities that implement their basicity and their water solubility. Besides, compound 1 is an open chain ligand, while 2 is a macrocycle. Their protonation constants as well as their stability constants for the formation of the corresponding Cu2+ complexes have been determined potentiometrically. Important differences are associated to the macrocyclic effect and to the additional functionalities in the spacer. The presence of an additional amine group and/or the inclusion of a carboxylic side chain in this spacer increase the stabilities of the Cu2+complexes, suggesting its participation in the interaction with the metal. Thus, 2 is the first pseudopeptidic cyclophane of this family displaying the ability to form highly stable metal complexes in water. UV-Vis and ESI-MS were used for analyzing the complex species detected in the speciation diagram. [-]
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RSC Advances, 2015, vol. 5, no 89Drets d'accés
© The Royal Society of Chemistry 2015
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