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- Title
Synthesis, characterization, and thermal behavior of some new biological-active zinc halide/pseudohalide complexes.
- Authors
Montazerozohori, Morteza; Hemmati, Sara; Musavi, Sayed; Naghiha, Asghar
- Abstract
A new ligand entitled as N,N'-bis-[3-(4-dimethylaminophenyl)-allylidene]-propane-1,3-diamine(L) was synthesized and then used for preparation of a new series of zinc halide/pseudohalide complexes with general formula of ZnLX, wherein X is chloride, bromide, iodide, thiocyanate, and azide anions. The ligand and its complexes were characterized by analytical and spectral data such as conductivity measurements, elemental analysis, FT-IR, UV-Visible, and H NMR spectroscopy. Elemental analyses (CHN) suggested that the reaction between ligand and zinc salts has been occurred in 1:1 molar ratio. The low values for molar conductivities of the zinc complexes indicated non-electrolyte nature for them. Spectral data confirmed that the ligand behaves as a bidentate chelate and is coordinated via nitrogen atoms of imine groups. Moreover, thermal analysis of ligand and its complexes were studied in the range of room temperature to 1,000 °C with a heating rate of 10 °C min. TG/DTG/DTA plots show that the ligand and its complexes are thermally decomposed via 2-4 thermal steps. In final, the ligand and its complexes were subjected to antimicrobial screening by determining of minimum inhibitory concentration (MIC) and inhibition zone of the microbial growth. Also DNA cleavage potential of all compounds was evaluated by gel electrophoresis method.
- Subjects
ZINC halides; METAL complexes; THERMAL properties of solids; PSEUDOHALIDES; FOURIER transform infrared spectroscopy
- Publication
Journal of Thermal Analysis & Calorimetry, 2015, Vol 120, Issue 1, p553
- ISSN
1388-6150
- Publication type
Article
- DOI
10.1007/s10973-014-4065-z