Synthesis and Comparative Study of Anti-Mycobacterium Activity of a Novel Series of Fluoronitrobenzothiazolopyrazoline Regioisomers
作者:K. Hazra、L. V. G. Nargund、P. Rashmi、J. N. Narendra Sharath Chandra、B. Nandha、M. S. Harish
DOI:10.1002/ardp.201100072
日期:2012.2
for tuberculosis, we have synthesized a series of fluoronitrobenzothiazolopyrazolines for antitubercular activity. The series comprises three subclasses: fluorobenzothiazolopyrazolines (11a–f), fluoronitrobenzothiazolopyrazoline, nitro group at 5th position (12a–f) and 4th position (13a–f). All compounds were screened for their in‐vitro antitubercular activity against Mycobacterium tuberculosis H37Rv
为了寻找一种新的更安全的结核病药物,我们合成了一系列具有抗结核活性的氟硝基苯并噻唑并吡唑啉。该系列包括三个子类:氟苯并噻唑并吡唑啉(11a-f)、氟硝基苯并噻唑并吡唑啉、第5位(12a-f)和第4位(13a-f)的硝基。使用 Middlebrook 7H-9 肉汤筛选所有化合物对结核分枝杆菌 H37Rv 菌株的体外抗结核活性。在苯并噻唑环的第 5 位(12a-f)引入 NO2 基团可增加抗结核活性,而在第 4 位(13a-f)引入 NO2 基团可显着降低抗结核活性。每个系列中显示出良好抗结核活性的两种化合物对 THP-1 细胞系的细胞毒性进行了测试,它们显示出低细胞毒性。