Design, Synthesis and Antibacterial Activity of Novel Pyrimidine‐Containing 4
<i>H</i>
‐Chromen‐4‐One Derivatives**
作者:Shijun Su、Mei Chen、Xuemei Tang、Feng Peng、Tingting Liu、Qing Zhou、Wenliang Zhan、Ming He、Chengwei Xie、Wei Xue
DOI:10.1002/cbdv.202100186
日期:2021.8
6-dihydropyrimidine-5-carbonitrile (4h) showed the best antibacterial activity against R. solanacearum with an EC50 value of 14.7 μg/mL. These results were better than commercial reagents bismerthiazol (BT, 51.7, 70.1 and 52.7 μg/mL, respectively) and thiodiazole copper (TC, 77.9, 95.8 and 72.1 μg/mL, respectively). In vivo antibacterial activity results indicated that compound 4c displayed better curative
通过结合生物活性亚结构,设计并合成了一系列含嘧啶的 4 H -chromen-4-one 衍生物。初步生物活性结果表明,大多数化合物在体外对轴突黄单胞菌有显着的抑制活性。红蜘蛛(X. axonopodis),白叶枯病。oryzae ( X. oryzae ) 和Ralstonia solanacearum ( R. solanacearum )。特别是,化合物2 - [(3 - [5,7-二甲氧基-4-氧代-2-(3,4,5-三甲氧基苯基)-4- ħ -1-苯并吡喃-3-基]氧基}丙基)硫基]-4-(4-甲基苯基)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile ( 4c) 显示出对X. axonopodis和X. oryzae的良好抑制作用,半数最大有效浓度 (EC 50 ) 值分别为 15.5 和 14.9 μg/mL,化合物 2-[(3-[5