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Synthesis, characterization, antifungal and antibacterial activities evaluation of copper (II), zinc (II) and cadmium (II) chloride and bromide complexes with new (E)‐1‐(3,4‐dimethoxybenzylidene)‐4‐methylthiosemicarbazone ligand
Applied Organometallic Chemistry ( IF 3.7 ) Pub Date : 2020-09-01 , DOI: 10.1002/aoc.5988
Amani Jaafar 1, 2 , Adeline Fix‐Tailler 2 , Najwa Mansour 3 , Magali Allain 4 , Wassim N. Shebaby 3 , Wissam H. Faour 5 , Sima Tokajian 3 , Abdelkrim El‐Ghayoury 4 , Daoud Naoufal 1 , Jean‐Philippe Bouchara 2 , Gérald Larcher 2 , Ghassan Ibrahim 1
Affiliation  

The reactions of Cu (II), Zn (II) and Cd (II) chloride or bromide with (E)1‐(3,4‐dimethoxybenzylidene)‐4‐methylthiosemicarbazone (MTSVT) lead to the formation of new complexes. They were characterized by spectroscopic studies: IR, 1H and 13C NMR. The crystal structures of the compounds [MTSVT] (L), [ZnBr2(MTSVT)2] (2), [CdCl2(MTSVT)2] (3) and [CdBr2(MTSVT)2.H2O] (4) were determined by X‐ray diffraction. For complexes 24, the ion is coordinated through the sulfur atom. All compounds were tested for their antifungal activity against human pathogenic fungi Candida albicans and Aspergillus fumigatus, and for their antibacterial activity against Gram (+) Bacillus subtilis and Enterococcus faecalis as well as against Gram (−) bacteria such as Paracoccus yeei and Acinetobacter baumanii. The results indicated that the metal complexes exhibited a marked enhancement in antibacterial activity compared with the parent Schiff base.

中文翻译:

具有新的(E)-1-(3,4-二甲氧基亚苄基)-4-甲基硫代半脲配体的氯化铜(II),氯化锌(II)和氯化镉(II)和溴化物配合物的合成,表征,抗真菌和抗菌活性评估

铜(II),锌(II),镉(II)氯化物或溴化物与(的反应ë- 1-(3,4-二甲氧基亚苄基)-4-甲基氨基硫脲(MTSVT)导致的新的复合物的形成。它们通过光谱研究表征:IR,1 H和13 C NMR。化合物[MTSVT](L),[ZnBr 2(MTSVT)2 ](2),[CdCl 2(MTSVT)2 ](3)和[CdBr 2(MTSVT)2)的晶体结构H 2 O](4)通过X射线衍射测定。配合物24,离子通过硫原子配位。测试了所有化合物的抗人病原性真菌白色念珠菌烟曲霉的抗真菌活性,以及对革兰氏+枯草芽孢杆菌粪肠球菌以及对革兰氏(-)细菌如yeco副球菌鲍曼不动杆菌的抗菌活性结果表明,与母体席夫碱相比,金属配合物的抗菌活性显着增强。
更新日期:2020-11-06
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