Design and synthesis of new norfloxacin-1,3,4-oxadiazole hybrids as antibacterial agents against methicillin-resistant Staphylococcus aureus (MRSA)
作者:Yong Guo、Ting Xu、Chongnan Bao、Zhiyan Liu、Jiangping Fan、Ruige Yang、Shangshang Qin
DOI:10.1016/j.ejps.2019.104966
日期:2019.8
the search of new antibacterial agents to control methicillin-resistant Staphylococcus aureus (MRSA), a class of new norfloxacin-1,3,4-oxadiazole hybrids were designed and synthesized. Antibacterial activities against drug-sensitive bacteria S. aureus and clinical drug resistant isolates of MRSA were evaluated. Compound 5k exhibited excellent antibacterial activities against S. aureus (MIC: 2 μg/mL) and
为了寻找新的抗菌药物来控制耐甲氧西林的金黄色葡萄球菌(MRSA),设计并合成了一类新的诺氟沙星-1,3,4-恶二唑杂种。评估了对药物敏感细菌金黄色葡萄球菌和MRSA临床耐药菌株的抗菌活性。化合物5k对金黄色葡萄球菌(MIC:2μg/ mL)和MRSA1-3(MIC:0.25-1μg/ mL)表现出优异的抗菌活性。时间杀灭动力学表明,化合物5k在杀死金黄色葡萄球菌和MRSA方面优于常用抗生素万古霉素。而且,化合物5k可以在短时间内抑制细菌并破坏其膜,并且对NRK-52E细胞显示出非常低的细胞毒性。还讨论了一些有趣的结构-活性关系(SAR)。这些结果表明这些诺氟沙星1,3,