Synthesis of Novel 6-(1H-pyrazol-4-yl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazoles as Potential Antimicrobial Agents
作者:Rashmi Pundeer、Pooja Ranjan、Richa Prakash、Radhika Joshi
DOI:10.2174/1570178614666170907121125
日期:2018.1.10
Saccharomyces cervisiae. Results: A new series of 3-alkyl-6-(3-aryl-1-phenyl-1H-pyrazol-4-yl)-[1,2,4]triazolo[3,4-b][1,3,4] thiadiazoles has been synthesized by the reaction mentioned above. One specific compound, 6-(3-(4- fluorophenyl)-1-phenyl-1H-pyrazol-4-yl)-3-methyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole displayed an excellent antifungal activity against Candida albicans with a MIC value of 8 µg/ml
背景:三唑并噻二唑是具有重大合成和药理意义的分子。它们与显着的抗菌,抗真菌,抗菌,抗蠕虫和抗炎活性有关。 方法:在磷酰氯存在下,将5-烷基-4-氨基-3-巯基-4H-1,2,4-三唑与3-芳基-1-苯基吡唑-4-羧酸缩合。体外测试所得产物对枯草芽孢杆菌(革兰氏阳性),金黄色葡萄球菌(革兰氏阳性),大肠杆菌(革兰氏阴性)和铜绿假单胞菌(革兰氏阴性)的抗菌潜力,以及对白色念珠菌和啤酒酵母的抗真菌性能。 结果:一系列新的3-烷基-6-(3-芳基-1-苯基-1H-吡唑-4-基)-[1,2,4]三唑[3,4-b] [1,3, [4]噻二唑通过上述反应合成。一种特定的化合物,6-(3-(4-氟苯基)-1-苯基-1H-吡唑-4-基)-3-甲基-[1,2,4]三唑[3,4-b] [1, 3,4]噻二唑对白色念珠菌显示出优异的抗真菌活性,MIC值为8 µg / ml,实际上甚至比标准药物两性霉素B(MIC 10