Synthesis and Antibacterial/Antitubercular/Antioxidant Activities of Compounds Containing Fluoroquinolone Ring Linked to a 4-thiazolidinone Moiety
作者:Tejeswara Rao Allaka、Naresh Kumar Katari、Venkanna Banothu、Srinubabu Maddela、Manojit Pal、Jaya Shree Anireddy
DOI:10.2174/1570180815666171229150032
日期:2018.8.27
was used as a key step for the multi-step synthesis of this class of compounds. Results: When tested for antibacterial, antifungal, antitubercular activities in vitro and antioxidant activities several of these compounds showed good activities. Two compounds showed activities against both gram-(+) and gram-(-) strains and Mycobacterium smegmatis H37Rv ATCC 27294 (MTB) with MIC 16.28 and 27.86 µM, respectively
背景:结核病(TB)是一种由病原体结核分枝杆菌(M. tb)引起的传染性空气传播疾病,是全世界可传播疾病中第二大死亡原因。因此,有必要继续努力,以鉴定和开发新的化学实体(NCE)作为潜在的抗菌剂,以解决这一严重的健康问题。 方法:合成了一系列新的含与4-噻唑烷酮部分连接的氟喹诺酮环的化合物,并对其潜在药理特性进行了评估。通过Schiff碱与巯基乙酸的缩合/环化作用,ZnCl2介导的4-噻唑烷酮环的构建被用作此类化合物多步合成的关键步骤。 结果:在体外测试抗菌,抗真菌,抗结核活性和抗氧化活性时,其中几种化合物表现出良好的活性。两种化合物分别对革兰氏(+)和革兰氏(-)菌株和耻垢分枝杆菌H37Rv ATCC 27294(MTB)均具有MIC 16.28和27.86 µM活性。他们还显示了清除自由基的特性,IC50值在23-33μM范围内,似乎很有希望。 结论:我们的研究表明,本文介绍的分子框架