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Design, synthesis and antifungal activity of novel 2,5-disubstituted 1,3,4-oxadiazoles
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- Author:
- No author available
- Journal Title:
- Academic Journal of Second Military Medical University
- Issue:
- 9
- DOI:
- 10.3724/SP.J.1008.2012.01019
- Key Word:
- 合成;1,3,4-(噁)二唑类;三唑类;抗真菌药
Abstract： 目的 研究新型2,5-二取代1,3,4-(噁)二唑化合物的体外抗真菌活性.方法 设计合成了16个新型2,5-二取代-1,3,4-(噁)二唑化合物,所得化合物都经过1HNMR、LC-MS确证；选择6种真菌为实验菌株,进行体外抗真菌活性测试.结果 所合成的目标化合物对除熏烟曲霉菌外的所有菌株(白假丝酵母菌、新生隐球菌、热带假丝酵母菌、近平滑假丝酵母菌、红色毛癣菌)均具有一定的体外抗真菌活性,其中化合物14、17、18对白假丝酵母菌和新生隐球菌的MIC80值均为0.25 μg/ml,与氟康唑(0.25 μg/ml)相当；化合物14、17对红色毛癣菌的MIC80值为0.25 μg/ml,是氟康唑(0.5 μg/ml)的2倍,与酮康唑相当.结论 利用1∶3偶极加成反应可在1,3,4-(噁)二唑化合物的5-位引入1,2,3-三唑取代基.初步体外活性显示,所合成的目标化合物对除熏烟曲霉菌外的所有菌株均具有一定的体外抗真菌活性.1,3,4-(噁)二唑2位苯环上连有取代基对化合物的活性影响较大.
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