Synthesis, emission, electrochemistry and cation-binding studies of ruthenium(II)–diimine–crown and –terpyridine–crown complexes
Abstract
A series of ruthenium(II) complexes with crown-containing
ligands of the types
[Ru(![[upper bond 1 start]](https://www.rsc.org/images/entities/char_e010.gif)
NN![[upper bond 1 end]](https://www.rsc.org/images/entities/char_e011.gif)
)
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
(L
1
);
NN = 2,2′∶6′,2″-
terpyridine (terpy), L′ = L
1
} have
been synthesized and their emission, electrochemical and cation-binding
properties studied.
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
(L
1
);
NN = 2,2′∶6′,2″-
terpyridine (terpy), L′ = L
1
} have
been synthesized and their emission, electrochemical and cation-binding
properties studied.
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