Loughborough University
Leicestershire, UK
LE11 3TU
+44 (0)1509 263171
Loughborough University

Loughborough University Institutional Repository

Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/11478

Title: New alkynyl- and vinyl-linked benzo- and aza-crown etherbipyridyl ruthenium(II) complexes which spectrochemically recognize Group IA and IIA metal cations
Authors: Beer, Paul D.
Kocian, Oldrich
Mortimer, Roger J.
Ridgway, Christopher
Issue Date: 1993
Publisher: © The Royal Society of Chemistry
Citation: BEER, P.D. ... et al, 1993. New alkynyl- and vinyl-linked benzo- and aza-crown etherbipyridyl ruthenium(II) complexes which spectrochemically recognize Group IA and IIA metal cations. Journal of the Chemical Society, Dalton Transactions, 17, pp. 2629 - 2638.
Abstract: A new alkynyl-linked bis(benzo-15-crown-5) bipyridyl ligand and new mono- and bis-benzo-15-crown-5 and aza-15-crown-5 bipyridyl ligands containing trans-conjugated olefinic linkages between the crown ethers and the 4,4′-disubstituted 2,2′-bipyridine (bipy) moieties have been synthesised. The corresponding [RuL(bipy)2][PF6]2 and [RuL3][PF6]2 complexes have been prepared and the latter electropolymerized onto optically transparent conducting glass electrodes. Electronic absorption and fluorescence-emission spectroscopic measurements have demonstrated spectrochemical recognition of Group IA and IIA metal cations by the novel functionalized crown ethers both as solution complexes and as polymeric films. The λmax and ε values for both the low-energy ligand-based π–π* transition and the metal-to-ligand charge transfer band observed for the complexes are sensitive to the binding of sodium and magnesium cations. The spectral measurements further demonstrate the presence of residual unsaturated linkages in the electropolymerized films, providing a technique that could be applied to probe the mechanisms and efficiencies of such electropolymerizations.
Description: This article is closed access, it was published in the serial Journal of the Chemical Society, Dalton Transactions [© The Royal Society of Chemistry]. The definitive version is available at: http://dx.doi.org/10.1039/dt9930002629
Version: Published
DOI: 10.1039/dt9930002629
URI: https://dspace.lboro.ac.uk/2134/11478
Publisher Link: http://dx.doi.org/10.1039/dt9930002629
ISSN: 0300-9246
Appears in Collections:Closed Access (Chemistry)

Files associated with this item:

File Description SizeFormat
J Chem Soc Dalton Trans (1993) 2629-2638.pdf1.4 MBAdobe PDFView/Open
J Chem Soc Dalton Trans (1993) 2629-2638.pdf1.43 MBAdobe PDFView/Open

 

SFX Query

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.