Copper (II) complexes with (E)-N′(3,5-di-tert-butyl-2-hydroxybenzilidene)-2-hydroxybenzohydrazide, their bactericidal and fungicidal activity

IF 1.6 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Transition Metal Chemistry Pub Date : 2024-01-17 DOI:10.1007/s11243-023-00568-1

Perizad Amrulla Fatullayeva, Ajdar Akper Medjidov, Rayyat Huseyn Ismayilov, Asim Sabri Abdullayev, Sevinc Rafiq Lahicova, Gulu Qanimet Abbasova, Esmira Arif Aga Quliyeva, Mahammad Allahverdi Bayramov

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引用次数: 0

Abstract

Mononuclear complexes of Copper(II) with (E)-N′(3,5-di-tert-butyl-2-hydroxybenzili- dene)-2-hydroxybenzohydrazide (H₃sahz)₂, Cu(Hsahz)(H₂O) and Cu(Hsahz)(DMF) were synthesized. The structure of the complexes was studied by elemental analysis, IR and EPR spectroscopy, and single-crystal X-ray analysis. It was shown that the complexes have a square-planar structure, in which the ligand is tridentate and dianionic. The coordination of Cu(II) ion is formed by the oxygen atom of the phenol group of 3,5-di-tert-butyl salicylic aldehyde, amidic oxygen atom is in enolic form, the oxygen atom of the DMF molecule and the nitrogen atom of the azomethine group. When recrystallizing from DMF/acetonitrile/ethanol = 1:2:4 solution, the water molecule in the complex is easily exchanged with the DMF molecule. The results of these studies showed that the complexes have a stronger antibacterial and antifungal effect than the ligand.

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(E)-N′(3,5-二叔丁基-2-羟基苯齐亚烯)-2-羟基苯甲酰肼铜 (II) 复合物及其杀菌和杀真菌活性

摘要合成了铜(II)与(E)-N′(3,5-二叔丁基-2-羟基苯并二烯)-2-羟基苯并吡嗪(H3sahz)2、Cu(Hsahz)(H2O)和 Cu(Hsahz)(DMF)的单核配合物。通过元素分析、红外光谱、EPR 光谱和单晶 X 射线分析研究了这些配合物的结构。结果表明，这些配合物具有方形平面结构，其中配体为三叉和二阴离子结构。Cu(II) 离子的配位由 3,5- 二叔丁基水杨醛的酚基氧原子、酰胺氧原子、DMF 分子的氧原子和偶氮甲基的氮原子形成。从 DMF/ 乙腈/乙醇=1:2:4 的溶液中重结晶时，络合物中的水分子很容易与 DMF 分子发生交换。这些研究结果表明，与配体相比，络合物具有更强的抗菌和抗真菌效果。

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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.