Synthesis of New 1,2,4-Triazole[3,4-b][1,3,4]thiadiazoles Bearing Pyrazole as Potent Antimicrobial Agents
作者:Cherkupally Sanjeeva Reddy、Lade Sanjeeva Rao、Gaddam Rajesh Kumar、Adki Nagaraj
DOI:10.1248/cpb.58.1328
日期:——
vitro activities against certain strains of bacteria such as Staphylococcus aureus, Bacillus subtilis, Escherichia coli and fungi such as Aspergillus niger, Aspergillus nodulans, Alternaria alternate. Compounds having 4-chlorophenyl (7d), 4-aminophenyl (7f), 4-nitrophenyl (7h) and 3-pyridyl (7i) substituents at 6-position of thiadiazole ring, showed marked inhibition of bacterial and fungal growth nearly
一系列新的6-(芳基/杂基)-3-(5-甲基-1-苯基-1H-4-吡唑基)[1,2,4]三唑[3,4-b] [1,3,4噻二唑(7a-j)是通过4-氨基-5-(5-甲基-1-苯基-1H-4-吡唑基)-4H-1,2,4-三唑-3-基-的反应合成的在乙醇中在回流温度下用POCl(3)和相应的芳基/杂芳基羧酸制备二硫化氢(6)。测试所有合成的化合物对某些细菌菌株的体外活性,所述菌株例如金黄色葡萄球菌,枯草芽孢杆菌,大肠杆菌和真菌例如黑曲霉,结节曲霉,交替链霉菌。在噻二唑环的6位上具有4-氯苯基(7d),4-氨基苯基(7f),4-硝基苯基(7h)和3-吡啶基(7i)取代基的化合物对细菌和真菌的生长具有明显的抑制作用,几乎等于标准。