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含有伊米达佐[2,1-b][1,3,4]蒂亚迪亚佐部分的皮拉衍生物的合成和抗菌活性评估
Jun-Da Qi1, Yu-Qing Meng2, Jingxin Sun1
1Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, China.
Archiv der Pharmazie
|June 16, 2023
概括
新型pyrazole衍生物显示出强大的抗真菌活性,其中化合物17l和17m显示出优越的疗效和低细胞毒性. 这些发现凸显了它们作为有前途的抗真菌剂的潜力.
科学领域:
- 药用化学 医学化学
- 有机合成 有机合成
- 发现抗微生物药物 发现抗微生物药物
背景情况:
- 皮拉衍生物是一种具有多种生物活性的异环化合物.
- 耐药性真菌感染的出现需要开发新的抗真菌剂.
- 探索新的化学支架对于识别强效和选择性抗微生物化合物至关重要.
研究的目的:
- 为了合成和表征新型pyrazole衍生物.
- 评估合成化合物的体外抗菌和抗真菌活性.
- 评估最强效的抗真菌剂的细胞毒性和选择性.
主要方法:
- 通过已建立的有机化学协议合成四个系列的pyrazole衍生物 (17a-m, 18a-m, 19a-g, 20a-g).
- 使用最小抑制度 (MIC) 测定对格拉姆阳性和格拉姆阴性细菌和真菌菌株进行抗微生物敏感性测试.
- 使用人类LO2细胞系和血液溶解试验进行细胞毒性评估.
主要成果:
- 大多数合成的皮拉衍生物表现出显著的抗真菌活性和对阳性和阴性细菌的选择性.
- 化合物17l和17m表现出最强的抗真菌活性,MIC值为0.25μg/mL,优于gatifloxacin和fluconazole.
- 化合物17l在高度下对人类LO2细胞具有最小的细胞毒性,并且没有血液溶解.
结论:
- 合成的皮拉衍生物,特别是17l和17m化合物,具有强大的抗真菌特性.
- 这些化合物表现出良好的选择性和低细胞毒性,表明它们作为安全有效的抗真菌剂的潜力.
- 进一步的临床前和临床开发这些pyrazole衍生物的应用在治疗真菌感染是有必要的.
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