Synthesis and in vitro antimicrobial activity of benzo[b][1,4]thiazin-3(4H)-ones via smiles rearrangement
作者:Hao Yang、Liang Fang、Zhu-Bo Li、Fang-Kui Ren、Li-Ying Wang、Xiao Tian、Dong-Soo Shin、Hua Zuo
DOI:10.1007/s00044-009-9288-3
日期:2011.1
New benzo[b][1,4]thiazin-3(4H)-one derivatives (compounds 12a–p) were synthesized via Smiles rearrangement and assayed in vitro for their antimicrobial activity against Gram-positive, Gram-negative bacteria and fungi. The antimicrobial activity of the benzo[b][1,4]thiazin-3(4H)-ones showed, on the whole, potent toward all tested Gram-positive and Gram-negative microorganism (minimal inhibitory concentration
通过Smiles重排合成了新的苯并[ b ] [1,4]噻嗪-3(4 H)-one衍生物(化合物12a–p),并在体外测试了它们对革兰氏阳性,革兰氏阴性细菌和真菌的抗菌活性。 。总体而言,苯并[ b ] [1,4]噻嗪-3(4 H)-的抗菌活性对所有测试的革兰氏阳性和革兰氏阴性微生物均有效(最低抑菌浓度范围为16至64 μg/ ml),而对真菌却显示出弱效。获得的数据表明,12g,12i和12o对革兰氏阳性细菌和化合物具有最佳的抗菌活性。12b表现出对革兰氏阴性菌的最佳抑制作用。这些观察结果提供了一些预测,以便在进行分子建模研究后在合成之前进一步设计抗菌活性化合物。