Synthesis and in vitro antibacterial activity of fluoroquinolone derivatives containing 3-(N′-alkoxycarbamimidoyl)-4-(alkoxyimino) pyrrolidines
作者:Qiang Guo、Lian-Shun Feng、Ming-Liang Liu、Yi-Bin Zhang、Yun Chai、Kai Lv、Hui-Yuan Guo、Li-You Han
DOI:10.1016/j.ejmech.2010.08.050
日期:2010.11
novel 7-[3-(N′-alkoxycarbamimidoyl)-4-(alkoxyimino)pyrrolidin-1-yl] fluoroquinolonederivatives were designed, synthesized and characterized by 1H NMR, MS and HRMS. These fluoroquinolones were screened for their in vitroantibacterialactivity. Most of them exhibit good potency in inhibiting the growth of Staphylococcus aureus and Staphylococcus epidermidis (MIC: 0.06–4.00 μg/mL). The activity of compounds
通过1 H NMR,MS和HRMS设计,合成和表征了一系列新颖的7- [3-(N'-烷氧基氨基甲酰基)-4-(烷氧基亚氨基)吡咯烷-1-基]氟喹诺酮衍生物。筛选这些氟喹诺酮类药物的体外抗菌活性。它们中的大多数在抑制金黄色葡萄球菌和表皮葡萄球菌的生长方面表现出良好的效力(MIC:0.06-4.00μg/ mL)。化合物33和43对金黄色葡萄球菌(包括MRSA和表皮葡萄球菌)的活性包括MRSE(MIC:0.06-0.125μg/ mL)在内的任何药物都比参考药物左氧氟沙星和吉非沙星更大或相当。此外,化合物33的效力分别比对照药物对屎肠球菌08-7和肺炎克雷伯菌的参考药物高32倍和16-32倍。