A new hybrid approach and in vitro antimicrobial evaluation of novel 4(3H)-quinazolinones and thiazolidinone motifs
作者:N.C. Desai、H.V. Vaghani、P.N. Shihora
DOI:10.1016/j.jfluchem.2013.05.022
日期:2013.9
)-4-(4-oxo-2-p-tolylquinazolin-3(4H)-yl)benzamides (6a–t). The products were characterized by IR, 1H, 13C and 19F NMR and mass spectral techniques. The synthesized compounds were evaluated for their in vitro antimicrobial activity against Gram-positive bacteria (Staphylococcus aureus and Streptococcus pyogenes), Gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa) and fungi (Candida
我们合成了一些带有不同药效团和杂环系统的新型含氟5-亚芳基衍生物,如喹唑啉酮和4-噻唑烷酮,它们可能是潜在的抗菌剂。它们是通过N-(2-(4-氟苯基)-4-氧噻唑啉丁-3-基)-4-(4-氧-2-对甲苯基喹唑啉-3(4H)-基)苯甲酰胺的Knoevenagel缩合反应合成的与芳族醛形成N-(5-(芳基)-2-(4-氟苯基)-4-氧噻唑烷-3-基)-4-(4-氧代-2-对甲苯基喹唑啉-3(4 H)- yl)苯甲酰胺(6a–t)。产品具有IR,1 H,13 C和19的特征F NMR和质谱技术。评估了合成的化合物对革兰氏阳性菌(金黄色葡萄球菌和化脓性链球菌),革兰氏阴性菌(大肠杆菌和铜绿假单胞菌)和真菌(白色念珠菌,黑曲霉和黑曲霉)的体外抗菌活性。肉汤稀释法。化合物6b,6d,6i,6j,6k,6n和6s由于其卓越的体外抗菌功效,它们是本研究中最值得注意的衍生物。