新的尼塔佐胺衍生物:作为抗菌和抗菌菌剂的设计,合成,生物评估和分子对接研究
Mahmoud Saleh1, Yaser A Mostafa1, Jyothi Kumari2
1Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Assiut University Assiut 71526 Egypt hajjaj@aun.edu.eg.
RSC medicinal chemistry
|December 18, 2023
概括
新的抗微生物化合物结合了尼塔佐胺和4-氨酸碎片,显示出对各种细菌和Mycobacterium tuberculosis的强效. 这些新型药物提供了更好的疗效和安全性,为下一代抗微生物药物铺平了道路.
科学领域:
- 药用化学 医学化学
- 发现抗微生物药物 发现抗微生物药物
- 有机合成 有机合成
背景情况:
- 尼塔佐xanide (NTZ) 和4-aminosalicylic acid (4-ASA) 是已知的抗微生物药物.
- 持续需要新型抗微生物药物,其疗效提高,活性范围更广.
- 结合现有药物的结构动机可以导致协同作用或增强治疗效果.
研究的目的:
- 从NTZ和4-ASA碎片中合成和评估一系列新的化合物.
- 评估合成化合物的体外抗菌和抗菌菌活动.
- 通过对接研究探索潜在的分子机制,并确定结构-活动关系.
主要方法:
- 通过结合NTZ和4-ASA碎片合成新的化学实体.
- 在体外对抗各种细菌菌株的抗菌活性进行查 (例如K. 肺炎,E. 肺炎,E. 肺炎,E. 体,P. 体,P. 体,P. 航空公司,S. aeruginosa 黄金色的,H. 的 皮洛里 (Pylori) 是一种疾病.
- 对Mycobacterium tuberculosis (Mtb H37Rv) 进行抗菌活性测试.
- 针对关键酶 (PFOR,G6PS,DHFR) 的分子对接模拟.
- 对药物相似性质的评估.
主要成果:
- 大多数合成的化合物表现出比NTZ更高的抗菌功效.
- 几种化合物 (例如,5f,5j,5n,5o) 显示出对测试的细菌菌株具有显著的强度,其中一些性能优于西普洛素.
- 与NTZ相比,3a和3b化合物对Mycobacterium tuberculosis具有更高的效力和安全性.
- 4-化和/或乙化增强了NTZ的活性,而1,2,3-triazole的引入改善了抗菌作用.
- 分子对接为潜在的酶抑制机制提供了洞察力.
结论:
- 新型系列NTZ-4-ASA混合化合物表现出有希望的广泛的抗微生物和抗菌菌活动.
- 结构性修改,如亚化,乙化和三醇形成,是提高抗菌作用力的有效策略.
- 这些发现支持替代NTZ衍生物的合理设计,作为潜在的下一代抗菌候选药物.
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