期刊
NEW JOURNAL OF CHEMISTRY
卷 42, 期 9, 页码 7166-7176出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nj00661j
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资金
- Universidad Nacional de Colombia a COLCIENCIAS from Colombia [Hermes 35753]
- Universidad Nacional de La Plata from Argentina
- CONICET from Argentina
- ANPCyT from Argentina
Five monomeric complexes of Co(u), Ni(m), Zn(ii) and Ag(i) with 6-methoxyquinoline (6-MeOQ) as ligand have been prepared, and their crystal structures have been determined by single X-ray diffractions. The Cu(ii), Ni(ii) and Zn(u) complexes are formulated as M(6-MeOQ)(2)O-2, completing MN2Cl2 coordination spheres. On the other hand, Co(u) and Ag(i) compounds are ionic with formulae [Ag(6-MeOQ)(2)](+) NO3- and H(6-MeOQ) [Co(6-MeOQ)Cl-3](-) (where H(6-MeOQ)(+) is the protonated ligand). Hirshfeld surface analysis was employed to study the intermolecular interactions in the crystal lattices and from these studies it was found that pi-stacking contacts play an important role. Besides, the complexes have been characterized by FTIR, UV-visible and emission spectroscopies. The singlet oxygen production and fluorescence quantum yields were measured for all the complexes employing steady-state methodologies. Finally, the antibacterial activity of the complexes was screened against both Gram-positive and Gram-negative bacteria.
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