A cobalt(II) bis(salicylate)-based ionic liquid that shows thermoresponsive and selective water coordination

A metal-containing ionic liquid (MCIL) has been prepared in which the [Co(II)(salicylate)2](2-) anion is able to selectively coordinate two water molecules with a visible colour change, even in the presence of alcohols. Upon moderate heating or placement in vacuo, the hydrated MCIL undergoes reversi...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2014-01, Vol.50 (50), p.6633-6636
Main Authors: Kohno, Yuki, Cowan, Matthew G, Masuda, Miyuki, Bhowmick, Indrani, Shores, Matthew P, Gin, Douglas L, Noble, Richard D
Format: Article
Language:English
Subjects:
Cobalt - chemistry
Color
Colour
Coordination Complexes - chemistry
Heating
Ionic liquids
Ionic Liquids - chemistry
Models, Molecular
Molecular Structure
Placement
Releasing
Salicylates - chemistry
Temperature
Thermochromism
Water - chemistry
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Summary:A metal-containing ionic liquid (MCIL) has been prepared in which the [Co(II)(salicylate)2](2-) anion is able to selectively coordinate two water molecules with a visible colour change, even in the presence of alcohols. Upon moderate heating or placement in vacuo, the hydrated MCIL undergoes reversible thermochromism by releasing the bound water molecules.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc01023j