Antitubercular and Antiparasitic 2-Nitroimidazopyrazinones with Improved Potency and Solubility
作者:Chee Wei Ang、Lendl Tan、Melissa L. Sykes、Neda AbuGharbiyeh、Anjan Debnath、Janet C. Reid、Nicholas P. West、Vicky M. Avery、Matthew A. Cooper、Mark A. T. Blaskovich
DOI:10.1021/acs.jmedchem.0c01372
日期:2020.12.24
additional efforts to generate analogs with improved solubility and enhanced potency. The key pendant aryl substituent was modified by (i) introducing polar functionality to the methylene linker, (ii) replacing the terminal phenyl group with less lipophilic heterocycles, or (iii) generating extended biaryl side chains. Improved antitubercular and antitrypanosomal activity was observed with the biaryl side
在批准德拉曼尼德和苯曼尼曼尼德作为治疗抗药性结核病的新药之后,现在人们对双环硝基咪唑支架作为抵抗传染病的一种治疗方法有了新的兴趣。我们最近描述了具有有希望的抗结核和抗寄生虫活性的硝基咪唑并吡嗪酮双环亚类,促使人们付出更多的努力来产生具有改善的溶解度和增强的效力的类似物。通过(i)将极性官能团引入亚甲基接头,(ii)用较少的亲脂性杂环取代末端苯基,或(iii)产生延伸的联芳基侧链,对关键的侧基芳基取代基进行修饰。联芳基侧链具有更好的抗结核和抗胰体活性,大部分类似物的活性比单芳基母体化合物高2至175倍,并引入吡啶基时,其溶解度得到了令人鼓舞的改善。这项研究有助于理解硝基咪唑并吡嗪酮支架与一组致病生物的现有结构-活性关系(SAR),以支持未来的铅优化。