Synthesis of Trifluoromethyl Benzimidazoles with Potential Anti-Microbial Activities

IF 1.4 4区 综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES Iranian Journal of Science and Technology, Transactions A: Science Pub Date : 2024-08-14 DOI:10.1007/s40995-024-01664-2
Samir M. El Rayes, Ibrahim A. I. Ali, Walid Fathalla, Mohamed A. Ghanem, Afaf H. El-Sagheer, Mohamed S. Nafie
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Abstract

A series of twenty-two new trifloromethyl benzimidazole derivatives were prepared based on azide and DCC coupling of 2-(2-(trifluoromethyl)-1H-benzoimidazol-1-yl) ethanoic acid derivatives with amino acids to give the amino acid esters; methyl 2-[(2-(2-(trifluoromethyl)-1H-benzimidazol-1-yl)acetamido] alkanoates. The amino acid esters reacted with hydrazine to produce the corresponding hydrazides that were finally condensed with p-fluorobenzaldehyde to obtain the hydrazones. The synthesized compounds were evaluated for their ability to bind to the crystal structure of E. coli (PDB = 1KZN) and the crystal structure of S. aureus (PDB = 1JIJ) bacteria, revealing good binding affinities. Notably, compounds 5e and 5k demonstrated primising interactive binding mode with the key amino acids like the co-crystallized ligands. As a result, they can be further tested as potent antimicrobial agents.

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具有潜在抗微生物活性的三氟甲基苯并咪唑的合成
根据 2-(2-(三氟甲基)-1H-苯并咪唑-1-基)乙酸衍生物与氨基酸的叠氮和 DCC 偶联,制备出氨基酸酯;2-[(2-(2-(三氟甲基)-1H-苯并咪唑-1-基)乙酰氨基]烷酸甲酯,从而制备出一系列 22 种新的三氟甲基苯并咪唑衍生物。氨基酸酯与肼反应生成相应的肼,最后与对氟苯甲醛缩合得到肼。对合成的化合物与大肠杆菌晶体结构(PDB = 1KZN)和金黄色葡萄球菌晶体结构(PDB = 1JIJ)的结合能力进行了评估,结果显示它们具有良好的结合亲和力。值得注意的是,化合物 5e 和 5k 与共晶体配体一样,表现出与关键氨基酸相互作用的结合模式。因此,它们可以作为强效抗菌剂进行进一步测试。
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来源期刊
CiteScore
4.00
自引率
5.90%
发文量
122
审稿时长
>12 weeks
期刊介绍: The aim of this journal is to foster the growth of scientific research among Iranian scientists and to provide a medium which brings the fruits of their research to the attention of the world’s scientific community. The journal publishes original research findings – which may be theoretical, experimental or both - reviews, techniques, and comments spanning all subjects in the field of basic sciences, including Physics, Chemistry, Mathematics, Statistics, Biology and Earth Sciences
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