Vivian Wing-Wah Yam and Vicky Wing-Man Lee
A series of ruthenium(II) complexes with crown-containing
ligands of the types
[Ru(
NN
)2(L′)]2+
{
NN
= 2,2′-bipyridine (bipy),
L′ = N-(2-pyridinylmethylene)-
2,3,5,6,8,9,11,12-octahydro-1,4,7,10,13-benzopentaoxacyclononadecin-16-
ylamine (dic);
NN
= 1,10-phenanthroline
(phen), L′ = dic} and
[Ru(
NN
)(L′)]2+
{
NN
= L′ =
N-[4-{4′-(2,2′∶6′,2″-
terpyridyl)}benzyl]-1,4,7,10-tetraoxa-13-azacyclopentadecane
(L1);
NN
= 2,2′∶6′,2″-
terpyridine (terpy), L′ = L1} have
been synthesized and their emission, electrochemical and cation-binding
properties studied.