Synthesis of benzo[b][1,4]oxazin-3(4H)-ones via smiles rearrangement for antimicrobial activity
作者:Liang Fang、Hua Zuo、Zhu-Bo Li、Xiao-Yan He、Li-Ying Wang、Xiao Tian、Bao-Xiang Zhao、Jun-Ying Miao、Dong-Soo Shin
DOI:10.1007/s00044-010-9360-z
日期:2011.7
The benzo[b][1,4]oxazin-3(4H)-one derivatives, 1a–p, carrying F, Br, and Cl on the benzene ring, or benzyl, cyclohexyl, n-hexyl, and tetrafuryl methylene groups attached to nitrogen atom 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]oxazin-3(4H)-ones
苯并[ b ] [1,4]恶嗪-3(4 H)-one衍生物1a – p,在苯环上带有F,Br和Cl或苄基,环己基,正己基和四呋喃基亚甲基通过Smiles重排合成与氮原子连接的分子,并在体外分析其对革兰氏阳性,革兰氏阴性细菌和真菌的抗菌活性。总体而言,苯并[ b ] [1,4]恶嗪-3(4 H)-1的抗菌活性对所有受测革兰氏阳性和革兰氏阴性微生物(MIC为16至64μg / ml),而对真菌的功效较弱。获得的数据表明,化合物中的氟原子1c,1f,1i在增强此类化合物的抗菌性能方面起着重要作用。这些观察结果提供了一些预测,以根据分子模型研究在合成之前进一步设计抗菌活性化合物。