Cu2+ recognition by N,N′-benzylated bis(amino amides)
Visualitza/
Impacte
Scholar |
Altres documents de l'autoria: Gorla, Lingaraju; Martí-Centelles, Vicente; Altava, Belen; Burguete, M. Isabel; Luis, Santiago V.
Metadades
Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7053
comunitat-uji-handle3:10234/8639
comunitat-uji-handle4:
INVESTIGACIONMetadades
Títol
Cu2+ recognition by N,N′-benzylated bis(amino amides)Autoria
Data de publicació
2017Editor
Royal Society of ChemistryCita bibliogràfica
GORLA, Lingaraju; MARTÍ CENTELLES, Vicente; ALTAVS BENITO, Belén; BURGUETE AZCÁRATE, María Isabel; LUIS LAFUENTE, Santiago Vicente. Cu2+ recognition by N,N′-benzylated bis(amino amides). Dalton Transactions (2017), v. 46, pp. 2660-2669Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://pubs.rsc.org/en/content/articlelanding/2017/dt/c6dt04756d#!divAbstractParaules clau / Matèries
Resum
Two new
C
2
-symmetric
N
,
N
’
-benzylated bis(amino amides) have been synthesised and their interaction
with di
ff
erent transition metals studied using a variety of techniques including UV-Vis and CD ... [+]
Two new
C
2
-symmetric
N
,
N
’
-benzylated bis(amino amides) have been synthesised and their interaction
with di
ff
erent transition metals studied using a variety of techniques including UV-Vis and CD spec-
troscopy or ESI-MS. The determination of the corresponding stability constants with Cu
2+
has been possi-
ble, in H
2
O/CH
3
CN 7/3 v/v, for one of these ligands (
4
) using potentiometric titrations. The results
obtained reveal that
N
-benzylation a
ff
ords signi
fi
cant changes to their properties and is accompanied by
an appreciable decrease in the corresponding complexation stability constants. However, this, along with
the low kinetics associated to Ni
2+
, facilitates the recognition of Cu
2+
by
4
that can be followed by the
naked-eye up to the submillimolar range. Very interestingly, the chiral nature of this ligand provides an
intense and well de
fi
ned CD curve for the corresponding Cu
2+
complex, very sensitive to the coordination
geometry, facilitating the analysis of this interaction even at the
μ
M range. The formation by both ligands
(
3
and
4
) of square planar complexes with Cu
2+
and Ni
2+
displaying a 1 : 1 stoichiometry was con
fi
rmed by
their X-ray crystal structures [-]
Publicat a
Dalton Transactions (2017), v. 46Drets d'accés
info:eu-repo/semantics/openAccess
Apareix a les col.leccions
- QUIO_Articles [691]