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Ultrasonic assisted preparation of some new zinc complexes of a new tetradentate Schiff base ligand: thermal analyses data, antimicrobial and DNA cleavage potential
Journal of Physical Organic Chemistry ( IF 1.9 ) Pub Date : 2021-01-31 , DOI: 10.1002/poc.4180
Zahra Akbari 1 , Morteza Montazerozohori 1 , Seyed Jafar Hoseini 2 , Reza Naghiha 3
Affiliation  

A new tetradentate Schiff base ligand (L) (L = obtained by condensation reaction between triethylenetetraamine and (E)‐3‐(2‐nitrophenyl)acrylaldehyde) and some of its zinc (II) complexes formulated as ZnLX2 in which X = halide/pseudohalide were synthesized and characterized by some physical and spectral techniques such as infra‐red (IR), nuclear magnetic resonance (NMR), UV–Visible, microanalyses, and conductivity measurements. Among the complexes, zinc chloride, iodide, and nitrate complexes were also prepared as nanostructure powder under sonication conditions confirmed by x‐ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive x‐ray analysis (EDAX). Moreover, zinc oxide nanoparticles were prepared by direct thermolysis of nanopowder of ZnLI2 complex under air atmosphere. Moreover, the thermal behaviors of the compounds were studied based on thermo‐gravimetric (TG)/differential thermal gravimetric (DTG)/differential thermal analyses (DTA) analyses data under nitrogen atmosphere. Furthermore, antibacterial/antifungal activities of the ligand and its zinc complexes were screened by the well diffusion method against some bacteria and funguses. Ultimately, the DNA cleavage potential of the compounds was evaluated by gel electrophoresis technique.

中文翻译:

超声辅助制备新的四齿Schiff碱配体的一些新的锌配合物:热分析数据,抗菌和DNA裂解潜力

一种新的四齿席夫碱配体(L)(L =通过三亚乙基四胺与(E)-3-(2-硝基苯基)丙烯醛之间的缩合反应获得)及其一些锌(II)配合物,配制成ZnLX 2,其中X =卤化物对p卤化物是通过一些物理和光谱技术合成并表征的,例如红外(IR),核磁共振(NMR),紫外可见光,显微分析和电导率测量。在配合物中,氯化锌,碘化物和硝酸盐配合物还可以在超声条件下制备成纳米结构粉末,并通过X射线衍射(XRD),扫描电子显微镜(SEM)和能量色散X射线分析(EDAX)确认。此外,通过直接热分解ZnLI 2纳米粉制备了氧化锌纳米粒子。复杂的空气气氛下。此外,基于热重(TG)/差示热重量分析(DTG)/差示热分析(DTA)分析了氮气氛下的数据,研究了化合物的热行为。此外,通过良好的扩散方法筛选了配体及其锌配合物的抗菌/抗真菌活性,以对抗某些细菌和真菌。最终,通过凝胶电泳技术评估化合物的DNA切割潜力。
更新日期:2021-04-08
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