Synthesis and evaluation of novel pleuromutilin derivatives targeting the 50S ribosomal subunit for antibacterial ability

文献类型： 外文期刊

第一作者： Liu, Qinqin

作者： Liu, Qinqin;Zhang, Hongjuan;Wang, Panpan;Pu, Wanxia;Wang, Shengyi;Shang, Ruofeng;Yi, YunPeng

作者机构：

关键词： Pleuromutilin derivatives; Synthesis; Antibacterial activity; Toxicity

期刊名称：EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY （ 影响因子：6.7； 五年影响因子：6.5 ）

ISSN： 0223-5234

年卷期： 2023 年 262 卷

页码：

收录情况： SCI

摘要： Multidrug-resistant bacteria, particularly methicillin-resistant Staphylococcus aureus, have become a major global public health concern. Therefore, developing new antibiotics that do not possess cross-resistance for the currently available antibiotics is critical. Herein, we synthesized a novel class of pleuromutilin derivatives containing substituted triazine with improved antibacterial activity. Among these derivatives, 6d, which contains 4-dimethylamino-1,3,5-triazine in the side chain of pleuromutilin, exhibited highly promising antimicrobial activity and mitigated antibiotic resistance. The high antibacterial potency of 6d was further supported by docking model analysis and green fluorescent protein inhibition assay. Additionally, cytotoxicity and acute oral toxicity evaluation and in vivo mouse systemic infection experiments revealed that 6d possessed tolerable toxicity and promising therapeutic efficacy.

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