基于苯-1,4-二胺和 2-羟基-1-萘甲醛衍生席夫碱的 Fe(III)、Ni(II) 和 Cu(II) 复合物的制备、结构、DFT、生物学和分子对接研究

IF 3.2 4区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of the Indian Chemical Society Pub Date : 2024-09-21 DOI:10.1016/j.jics.2024.101385

Hany M. Abd El-Lateef , Mai M. Khalaf , M. Gouda , Obaid A. Alharbi , Antar A. Abdelhamid , Amer A. Amer , Abdelrahim Fathy Ismail , Aly Abdou

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引用次数: 0

摘要

本研究介绍了由苯-1,4-二胺和 2-羟基-1-萘甲醛合成的希夫碱化合物 (H2PDN) 衍生出的三种新型金属配合物的设计和综合表征，这些配合物分别与铁（III）（FePDN）、镍（II）（NiPDN）和铜（II）（CuPDN）配位。利用元素分析、紫外-可见光谱、质谱、红外光谱、磁性能、电导率测量和热分析等各种分析方法，提出了 H2PDN 配体及其金属配合物的结构。获得的数据显示，FePDN 和 CuPDN 复合物均为八面体几何结构，分别表示为[Fe2(PDN)(H2O)4(Cl)4]和[Cu2(PDN)(H2O)6(Cl)2]，而 NiPDN 复合物则表现出扭曲的四面体结构，表示为[Ni2(PDN)(H2O)2(Cl)2]。研究人员利用密度泛函理论（DFT）计算验证了 H2PDN 及其金属配合物的分子结构和量子化学参数。合成的 H₂PDN 席夫碱及其金属配合物（FePDN、NiPDN、CuPDN）具有显著的抗菌、抗炎和抗氧化活性。NiPDN 对绿脓杆菌（21.44 ± 0.28 mm）和金黄色葡萄球菌（19.37 ± 0.40 mm）的抑制面积最大，而 CuPDN 则对大肠杆菌（18.42 ± 0.13 mm）有很强的抑制作用。NiPDN 对蜡样芽孢杆菌（21.00 ± 0.98 μM）具有较低的 MIC，显示出卓越的抗菌功效；CuPDN 显示出强大的抗炎（IC50：121.65 μM）和抗氧化活性（IC50：84.7 ± 0.77 μM）。这些结果表明了 H₂PDN 复合物的治疗潜力。为了评估 H2PDN 及其金属复合物的结合亲和力和相互作用，还针对特定蛋白质（大肠杆菌 2VF5、黄曲霉 3CKU、人类环氧化酶-2 5IKT 和人类过氧化物酶 2 5IJT）进行了分子对接研究。研究结果表明，H2PDN 及其金属复合物有望用作具有多种生物活性的新型治疗剂。

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Fabrication, structural, DFT, biological and molecular docking studies of Fe(III), Ni(II), and Cu(II) complexes based on Schiff-base derived from benzene-1,4-diamine and 2-hydroxy-1-naphthaldehyde

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Fabrication, structural, DFT, biological and molecular docking studies of Fe(III), Ni(II), and Cu(II) complexes based on Schiff-base derived from benzene-1,4-diamine and 2-hydroxy-1-naphthaldehyde

This study presents the design & comprehensive characterization of three novel metal complexes derived from a Schiff base compound (H₂PDN) synthesized from benzene-1,4-diamine and 2-hydroxy-1-naphthaldehyde, coordinated with Fe (III) (FePDN), Ni (II) (NiPDN), & Cu (II) (CuPDN). Structures of both the H₂PDN ligand & its metal complexes were proposed utilizing various analytical methods, having elemental analysis, ultraviolet–visible spectroscopy, mass spectrospcopy, infrared spectroscopy, magnetic properties, conductivity measurement, & thermal analysis. The obtained data revealed octahedral geometries for both FePDN and CuPDN complexes, denoted as [Fe₂(PDN)(H₂O)₄(Cl)₄] and [Cu₂(PDN)(H₂O)₆(Cl)₂], respectively, while the NiPDN complex exhibited a distorted tetrahedral structure, represented as [Ni₂(PDN)(H₂O)₂(Cl)₂]. Density functional theory (DFT) computations were employed to validate the molecular structures & explore quantum chemical parameters of both H₂PDN & its metal complexes. The synthesized H₂PDN Schiff base and its metal complexes (FePDN, NiPDN, CuPDN) showcased significant antimicrobial, anti-inflammatory, and antioxidant activities. NiPDN exhibited the highest inhibition zone against P. aeruginosa (21.44 ± 0.28 mm) and S. aureus (19.37 ± 0.40 mm), while CuPDN showed strong inhibition against E. coli (18.42 ± 0.13 mm). NiPDN demonstrated excellent antibacterial efficacy with a low MIC against B. cereus (21.00 ± 0.98 μM), and CuPDN displayed potent anti-inflammatory (IC50: 121.65 μM) and antioxidant activity (IC50: 84.7 ± 0.77 μM). These results indicate the therapeutic potential of the H₂PDN complexes. Molecular docking studies targeting specific proteins (2VF5 for Escherichia coli, 3CKU for Aspergillus flavus, 5IKT for Human Cyclooxygenase-2, & 5IJT for human peroxiredoxin 2) were performed to assess the binding affinities & interactions of H₂PDN & its metal complexes. The results propose promising potential for the application of H₂PDN and its metal complexes as novel therapeutic agents with diverse biological activities.

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来源期刊

Journal of the Indian Chemical Society 化学-化学综合

CiteScore

3.50

自引率

7.70%

发文量

492

审稿时长

3-8 weeks

期刊介绍： The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.