Journal
POLYHEDRON
Volume 170, Issue -, Pages 312-324Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2019.05.057
Keywords
Cobalt; Copper; Zinc; K562 cell line; Docking study
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Funding
- Council of the Payame Noor University, Iran
- Spanish Ministerio de Economia y Competitividad [MAT2016-78155-C2-1-R]
- Spanish Ministerio de Economia y Competitividad (FPI grant) [BES-2011-046948]
- FEDER funding
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Syntheses of new N2O5 donor type compartmental Schiff base ligand, 2,2'-((((((2-hydroxypropane-1,3-diyl)bis(oxy))bis(2,1-phenylene))bis(methylene))bis(azanylylidene))bis(methanylylidene))bis(4-nitrophenol) (H3L) and its cobalt(II), copper(II) and zinc(II) complexes, [Co(HL)] (1), [Cu-2(L)(mu-1,3-OAc)] (2) and [Zn(HL)] (3), are reported. The synthesized compounds were characterized by elemental analysis, FT-IR, H-1 and C-13 NMR spectroscopies and X-ray single-crystal diffraction. In the structure of 1 and 3, the metal ion has a N2O2 coordination environment with tetrahedral geometry. Compound 2 is a binuclear complex, in which copper ions are bonded by NO4 donor atoms set in square planar coordination geometry. The ability of all compounds to interact with ten selected biomacromolecules (BRAF kinase, CatB, DNA gyrase, HDAC7, rHA, RNR, TrxR, TS, Top II and B-DNA) are investigated by the docking calculations. In continue, the in vitro activities of all compounds against the human leukemia cell line K562 were investigated by evaluation of IC50 values and mode of cell death (apoptosis). The experiments revealed that the cytotoxicity of the studied complexes is higher than or comparable with cisplatin. (C) 2019 Elsevier Ltd. All rights reserved.
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