1,3,4-oxadiazole衍生物:合成,表征,抗真菌活性,DNA结合研究,TD-DFT计算和分子建模
Rabiya Mehandi1, Charmy Twala2, Saiema Ahmedi3
1Molecular and Biophysical Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi, India.
Journal of biomolecular structure & dynamics
|January 31, 2025
概括
新的1,3,4-氧化异环类类似物被合成并评估其抗真菌和抗氧化性质. 类似的3g,3i和3m表现出强烈的活性,显示出低的最小抑制度和出色的抗氧化能力,具有有前途的DNA结合相互作用.
科学领域:
- 药用化学 医学化学
- 有机合成 有机合成
- 药理学 药理学是指药理学的学科.
背景情况:
- 新型异环化合物的开发对于发现新的治疗剂至关重要.
- 1,3,4-氧化衍生物已知具有多种生物活性.
- 抗真菌和抗氧化剂是对抗药物耐药性增加和与氧化应激相关的疾病所需的.
研究的目的:
- 为了合成和表征基于1,3,4-氧化的新型异环类类似物.
- 评估合成化合物的体外抗真菌和抗氧化活性.
- 研究DNA结合相互作用,并对化合物进行分子对接研究.
主要方法:
- 通过 Schiff 基的循环化合成 1,3,4-Oxadiazole 类似物 (3a-3m).
- 使用FT-IR,1H和13C-NMR,UV可见光谱学和质谱学进行结构阐明.
- 在体外抗真菌测定对抗Candida物种,抗氧化剂测定 (DPPH,H2O2),细胞活力测试,DNA结合研究 (吸收,排放,CV,CD,时间解析光),TD-DFT计算和分子对接.
主要成果:
- 相似的3g,3i和3m表现出强烈的抗真菌活性,MIC为200μg/ml,ZOI为17-21nm,对Candida物种具有强烈的抗真菌活性.
- 这些化合物在Huh7细胞上表现出极好的抗氧化活性,具有较低的IC50值和高细胞活力 (>86%).
- 观察到良好的DNA结合常量 (Kb ≈ 9.1-9.94 × 10^5 M^-1),得到了计算研究的支持,包括对抗C. albicans CYP51.1.的分子对接.
结论:
- 合成的1,3,4-Oxadiazole类似物具有显著的抗真菌和抗氧化特性.
- 化合物3g,3i和3m被确定为进一步药物开发的有希望的主要候选物.
- 这项研究为设计针对真菌感染和氧化应激的新型基剂提供了基础.
关键词:
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