Discovery of 4-nitro-3-phenylisoxazole derivatives as potent antibacterial agents derived from the studies of [3 + 2] cycloaddition
作者:Yan Zhang、Zhiwu Long、Longjia Yan、Li Liu、Lan Yang、Yi Le
DOI:10.1039/d2ra05009a
日期:——
Polysubstituted phenylisoxazoles were designed and synthesized to discover new antibacterial agents via [3 + 2] cycloaddition. Thirty-five compounds with a phenylisoxazole scaffold were characterized by NMR, HRMS, and X-ray techniques. After being evaluated against Xanthomonas oryzae (Xoo), Pseudomonas syringae (Psa), and Xanthomonas axonopodis (Xac), 4-nitro-3-phenylisoxazole derivatives were found
设计并合成了多取代的苯基异恶唑,以通过[3 + 2] 环加成发现新的抗菌剂。通过 NMR、HRMS 和 X 射线技术对 35 种具有苯基异恶唑支架的化合物进行了表征。在针对米黄单胞菌( Xoo )、丁香假单胞菌( Psa ) 和轴突黄单胞菌( Xac )进行评估后,发现 4-硝基-3-苯基异恶唑衍生物具有更好的抗菌活性。进一步的研究表明,这些化合物的 EC 50值远优于阳性对照双汞噻唑。