Syntheses, crystal structures and antimicrobial activities of Cu(ii), Ru(ii), and Pt(ii) compounds with an anthracene-containing tripodal ligand†
Abstract
Three coordination polymers based on a tridentate N3-coordinated anthracene-containing tripodal ligand, 9-[(2,2′-dipicolylamino)methyl]anthracene (ADPA), namely [Cu(ADPA)Cl2]·H2O (1), [Ru(ADPA)Cl2DMSO]·4CH3OH·2H2O (2), and [Pt(ADPA)Cl]PF6·DMSO·2CH3OH·H2O (3), were synthesized and characterized using elemental analysis, 1H NMR, 13C NMR, FT-IR, and UV-vis spectroscopies, H RMS, and single-crystal XRD. X-ray structural analysis showed that the three compounds have mononuclear, 0D structures, which are further connected by hydrogen bonds into 3D supramolecular architectures. The antimicrobial activities of ADPA and compounds 1–3 were evaluated based on the minimum inhibitory concentration and minimum bactericidal concentration. The results showed that compounds 1–3 exhibit significant activities against Gram-positive bacteria (Staphylococcus aureus), and the Ru(II) and Pt(II) compounds have moderate antifungal activities (Candida albicans).
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