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Transition metal complexes of a versatile polyalkoxy oxazolidine-based ligand derived from in situ cyclization

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Abstract

One-pot reaction between 8-hydroxyquinoline-2-carboxaldehyde (HQC) and tris(hydroxymethyl)aminomethane (TRIS) followed by in situ cyclization yielded an oxazolidine based ligand which produced four mononuclear complexes of MnII(1), CoII(2), NiII(3), ZnII(4), a tetranuclear iron (FeIII4) complex (5) and a trinuclear cobalt (CoIICoIII2) complex (6). Magnetic studies show dominant antiferromagnetic interaction in tetranuclear iron (FeIII4) complex 5 and presence of the slow relaxation of magnetisation in 6. The compounds were also studied for their antibacterial properties. The oxazolidine ligand (H3L2) of this study showed good antimicrobial activity not only against Gram-positive bacteria but against Gram-negative bacteria too. The antimicrobial efficacy of the metal complexes (1–6) is also reported.

Graphical abstract: Transition metal complexes of a versatile polyalkoxy oxazolidine-based ligand derived from in situ cyclization

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Publication details

The article was received on 07 Dec 2017, accepted on 09 Apr 2018 and first published on 10 Apr 2018


Article type: Paper
DOI: 10.1039/C7DT04634K
Citation: Dalton Trans., 2018, Advance Article
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    Transition metal complexes of a versatile polyalkoxy oxazolidine-based ligand derived from in situ cyclization

    A. Saleem, P. A. Kobielska, K. Harms, M. G. Katsikogianni, R. Telford, G. Novitchi and S. Nayak, Dalton Trans., 2018, Advance Article , DOI: 10.1039/C7DT04634K

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