Expanding the family of tetrahalide iron complexes: synthesis, structure and biological applications

Abedin, N, Hamed A Alshehri, A, Almughrbi, AMA, Moore, O, Alyza, S, Rusbridge, EK ORCID logoORCID: https://orcid.org/0000-0001-8470-1039, Masood, N, Egbowon, BF, Hargreaves, AJ ORCID logoORCID: https://orcid.org/0000-0001-9754-5477, Dafhnis-Calas, F and Fitzpatrick, AJ ORCID logoORCID: https://orcid.org/0000-0001-9436-8129, 2020. Expanding the family of tetrahalide iron complexes: synthesis, structure and biological applications. Polyhedron: 114755. ISSN 0277-5387

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Abstract

A neutral octahedral mononuclear iron(II) tetrabromide complex, [Fe(HaAmpy)2Br4], that consists of equatorial bromide and protonated aminopyrazinium axial ligands is successfully synthesised through redox chemistry and analysed using X-ray crystallography. The iron(II) oxidation state is balanced by the protonated pyrazinium nitrogen just outside the coordination sphere. The biological properties of this and two other related complexes are investigated using both Gram-negative and Gram-positive bacteria as well as methicillin resistant strains. They all exhibit some antimicrobial properties albeit at moderate to poor concentrations. However, the tetrahalide complexes analysed exhibit excellent anti-biofilm properties well below cytotoxic levels.

Item Type: Journal article
Publication Title: Polyhedron
Creators: Abedin, N., Hamed A Alshehri, A., Almughrbi, A.M.A., Moore, O., Alyza, S., Rusbridge, E.K., Masood, N., Egbowon, B.F., Hargreaves, A.J., Dafhnis-Calas, F. and Fitzpatrick, A.J.
Publisher: Elsevier
Date: 17 August 2020
ISSN: 0277-5387
Identifiers:
Number
Type
10.1016/j.poly.2020.114755
DOI
S0277538720304125
Publisher Item Identifier
1353779
Other
Divisions: Schools > School of Science and Technology
Record created by: Linda Sullivan
Date Added: 20 Aug 2020 07:51
Last Modified: 01 Feb 2022 15:42
URI: https://irep.ntu.ac.uk/id/eprint/40481

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