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Luminescent 1,8-Naphthalimide-Derived ReI Complexes: syntheses, spectroscopy, X-ray structure and preliminary bioimaging in fission yeast cells

Langdon-Jones, Emily E., Williams, Catrin, Hayes, Anthony, Lloyd, David, Coles, Simon J., Horton, Peter N., Groves, Lara and Pope, Simon 2017. Luminescent 1,8-Naphthalimide-Derived ReI Complexes: syntheses, spectroscopy, X-ray structure and preliminary bioimaging in fission yeast cells. European Journal of Inorganic Chemistry 2017 (44) , pp. 5279-5287. 10.1002/ejic.201700549

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Abstract

A series of picolyl-functionalised, fluorescent 1,8-naphthalimide ligands (L) have been synthesised and coordi-nated to ReI to form luminescent cationic complexes of the general form fac-[Re(phen)(CO)3(L)]BF4. The complexes were characterised by using a range of spectroscopic and analytical techniques. One example of a complex was also characterised in the solid-state by using single-crystal X-ray diffraction, reveal-ing a distorted octahedral coordination sphere at ReI and Re– C/Re–N bond lengths within the expected ranges. All ligands were shown to be fluorescent, with the 4-amino derivatives showing intramolecular charge transfer in the visible region (511–534 nm). The complexes generally showed a mixture of ligand-centred and/or 3MLCT emission depending upon the na-ture of the coordinated 1,8-naphthalimide ligand. For selected complexes, confocal fluorescence microscopy was undertaken by using fission yeast cells (Schizosaccharomyces pombe) and showed that the structure of the 1,8-naphthalimide ligand influ-ences the uptake and localisation of the rhenium complex.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Chemistry
Engineering
Publisher: Wiley
ISSN: 1434-1948
Date of First Compliant Deposit: 12 September 2017
Date of Acceptance: 19 July 2017
Last Modified: 18 Oct 2019 10:45
URI: http://orca.cf.ac.uk/id/eprint/104586

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