The antibacterial activity of some sulfonamides and sulfonyl hydrazones, and 2D-QSAR study of a series of sulfonyl hydrazones
作者:H. Güzin Aslan、Servet Özcan、Nurcan Karacan
DOI:10.1016/j.saa.2012.08.043
日期:2012.12
presence of OH group on sulfonamides reduces the antimicrobial activity, and antimicrobial activities of the sulfonyl hydrazones (1a-1d) are smaller than that of the parent sulfonamide (1), except Candida albicans. In addition, 2D-QSAR analysis was performed on 28 aromatic sulfonyl hydrazones as antimicrobial agents against Escherichia coli and Staphylococcus aureus. In the QSAR models, the most important
苯磺酸-1-甲基酰肼(1)及其四种芳族磺酰基衍生物(1a-1d),N-(3-氨基-2-羟丙基)苯磺酰胺(2)和N-(2-羟乙基)苯磺酰胺(3)为通过IR,(1)H NMR,(13)C NMR和LCMS技术确定它们的结构。通过微稀释和圆盘扩散法评估了新合成化合物对各种细菌的抗菌活性。实验结果表明,磺酰胺上存在OH基团会降低抗菌活性,磺酰al(1a-1d)的抗菌活性要比母体磺酰胺(1)小,除了白色念珠菌。此外,对28种芳香族磺酰基进行了二维D-QSAR分析,以作为抗大肠杆菌和金黄色葡萄球菌的抗菌剂。