In an effort to develop novel azole antifungals with potent activity and high selectivity, a series of (2R,3R)-3-((3-substitutied-phenyl-isoxazol-5-yl)methoxy)-2-(2,4-difluorophenyl)-1-(1H-tetrazol-1-yl)butan-2-ol derivatives were designed and synthesized based on our previously work. All compounds exhibited moderate to excellent in vitro antifungal activities against Candida albicans SC5314 and Cryptococcus
为了开发具有强效活性和高选择性的新型唑类抗真菌剂,一系列 (2 R ,3 R )-3-((3-取代-苯基-
异恶唑-5-基)甲氧基)-2-(2, 4-difluorophenyl)-1-(1 H -tetrazol-1-yl)butan-2-ol衍
生物的设计和合成基于我们之前的工作。所有化合物对白色念珠菌SC5314 和新型隐球菌H99均表现出中等至优异的体外抗真菌活性,但对烟曲霉7544 无活性。其中,活性最强的化合物10h对耐
氟康唑的白色念珠菌103、C. glabrata 537 和C. auris 922,MIC 值≤0.008 μg/mL。此外,化合物10h在抑制 FLC 抗性白色念珠菌103 的丝状化方面优于 FLC。值得注意的是,化合物10h对人 CYP3A4 没有抑制作用,IC 50值 >100 μM,32 μg/mL 时的细胞毒性低,低hERG 抑制,IC 50值为 6.22