Bonello, Rhodri Owen, Morgan, Ian Rhys  ORCID: https://orcid.org/0000-0002-0253-1855, Yeo, Benjamin Roy, Jones, Lucy E. J., Kariuki, Benson ORCID: https://orcid.org/0000-0002-8658-3897, Fallis, Ian Andrew ORCID: https://orcid.org/0000-0001-7361-0182 and Pope, Simon J. A. ORCID: https://orcid.org/0000-0001-9110-9711
2014.
Luminescent rhenium(I) complexes of substituted imidazole[4,5-f]-1,10-phenanthroline derivatives.
Journal of Organometallic Chemistry
749
, pp. 150-156.
10.1016/j.jorganchem.2013.08.031
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Abstract
Seven new chromophoric ligands (L1–L7), based upon the fused imidazo[4,5-f]-1,10-phenanthroline core, were dually functionalised with a variety of aryl substituents of varying character, and can be synthesised utilising a one-pot methodology. The resultant ligands are fluorescent (λem = 408–425 nm) and amenable to further reactivity with pentacarbonylbromorhenium to give coordination complexes of the form fac-[ReBr(CO)3(NˆN)] (where NˆN = L1–L7). The complexes have been fully characterised using a variety of spectroscopic and analytical techniques, and structurally confirmed for three examples using X-ray diffraction studies. These new rhenium complexes are all luminescent, revealing classical 3MLCT emission in aerated solution; the complexes show that the 3MLCT excited state is moderately sensitive to the nature of functionalisation of the chelated imidazo[4,5-f]-1,10-phenanthroline ligand.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Chemistry |
| Subjects: | Q Science > QD Chemistry |
| Uncontrolled Keywords: | Rhenium; Diimine; Luminescence |
| Publisher: | Elsevier |
| ISSN: | 0022-328X |
| Last Modified: | 25 Oct 2022 09:21 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/58145 |
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