Chelation of the Optimal Antifungal Pogostone Analogue with Copper(II) to Explore the Dual Antifungal and Antibacterial Agent
作者:Delong Wang、Chunxia Yuan、Yunpeng Li、Shuhong Bai、Juntao Feng、Yong Wang、Yali Fang、Zhijia Zhang
DOI:10.1021/acs.jafc.3c07050
日期:2024.2.28
The 3D-QSAR models generated using Topomer comparative molecular field analysis indicated that a shorter alkyl chain (carbon atom number <8), terminal rings, or electron-deficient groups on the alkyl side chain are beneficial for antifungal potency. Further, bioassay results revealed that the component of 21 in complex 34 dominated the antifungal activity, but the introduction of Cu(II) significantly
在不断探索更有效的抗真菌 pogostone (Po) 类似物的过程中,我们保留了先前确定的 3-乙酰基-4-羟基-2-吡喃酮核心基序,同时合成了一系列烷基侧链发生变化的 Po 类似物。体外生物测定结果表明,化合物21是最有效的抗真菌类似物,对核盘菌( Sclerotinia sclerotiorum (Lib.) de Bary)的EC 50值为1.1 μg/mL。同时,其Cu(II)络合物34对野油菜黄单胞菌( Xanthomonascampestris pvcampestris )( Xcc )的抗菌活性较21 (MIC=700μg/mL)显着增强,最低抑菌浓度(MIC)为300μg/mL。复合物34对油菜叶片中的核盘菌和Xcc具有显着的预防效果,防效分别为98.8%(50 μg/mL)和80.7%(1000 μg/mL)。使用Topomer比较分子场分析生成的3D-QSAR模型表明