Zn (II) octahedral complex with new ketimine ligand: design, synthesis and single-crystal studies

IF 1.6 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR Transition Metal Chemistry Pub Date : 2023-08-01 DOI:10.1007/s11243-023-00547-6

Fawad Ahmad, Nasir Abbas, Ayesha Ihsan, Muhammad Saqib Ghafoor, Ghulam Shabir, Aamer Saeed

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Abstract

The present investigation deals with the synthesis and single-crystal X-ray analysis of Zu (II) coordination complex of ketimine ligand which was obtained by reaction of dehydroacetic acid with carbohydrazide (3) and characterized the title compound with elemental analysis, multinuclear (¹H and ¹³C) NMR, UV visible, and FTIR spectral data. It crystallized in orthorhombic crystal system with space group Pbcn and unit cell dimensions: a = 18.7959 (4), b = 11.2890 (2) and c = 13.4480 (3) Å, and α = β = γ = 90°. The suggested geometry obtained after experimental analysis was distorted octahedral due to some angle strain between axial homonuclear N donor atoms around central Zn, and it was very close to the expected geometry. The DNA co-relation analysis was carried out by using fixed concentration of Calf Thymus DNA against the solution of analyte using UV spectroscopy. The ligand and metal complexes were examined for antibacterial and fungal activities against E. coli, M. luteus, E. aerogenes, S. aureus, and C. albicans, and the titled complex was found to be active against all the tested strains.

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新型氯胺酮配体锌(II)八面体配合物:设计、合成及单晶研究

本文研究了脱氢乙酸与碳肼(3)反应得到的氯胺酮配体Zu (II)配合物的合成和单晶x射线分析，并用元素分析、多核(1H和13C)核磁共振、紫外可见和红外光谱数据对标题化合物进行了表征。晶型为正交晶系，空间群为Pbcn，晶胞尺寸为a = 18.7959 (4)， b = 11.2890 (2)， c = 13.4480 (3) Å， α = β = γ = 90°。实验分析得到的几何形状与预期的几何形状非常接近，是由于中心Zn周围的轴向同核N给体原子之间存在某种角度应变而导致的畸变八面体。用固定浓度的小牛胸腺DNA与分析物溶液进行DNA相关分析。检测了配体和金属配合物对大肠杆菌、黄体分枝杆菌、产气大肠杆菌、金黄色葡萄球菌和白色念珠菌的抗菌和真菌活性，发现该配合物对所有测试菌株都有活性。

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来源期刊

Transition Metal Chemistry 化学-无机化学与核化学

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

1.3 months

期刊介绍： Transition Metal Chemistry is an international journal designed to deal with all aspects of the subject embodied in the title: the preparation of transition metal-based molecular compounds of all kinds (including complexes of the Group 12 elements), their structural, physical, kinetic, catalytic and biological properties, their use in chemical synthesis as well as their application in the widest context, their role in naturally occurring systems etc. Manuscripts submitted to the journal should be of broad appeal to the readership and for this reason, papers which are confined to more specialised studies such as the measurement of solution phase equilibria or thermal decomposition studies, or papers which include extensive material on f-block elements, or papers dealing with non-molecular materials, will not normally be considered for publication. Work describing new ligands or coordination geometries must provide sufficient evidence for the confident assignment of structural formulae; this will usually take the form of one or more X-ray crystal structures.