Piperazinobenzodiazepinones: New Encephalitic Alphavirus Inhibitors via Ring Expansion of 2-Dichloromethylquinazolinones.

Piperazinobenzodiazepinones: New Encephalitic Alphavirus Inhibitors via Ring Expansion of 2-Dichloromethylquinazolinones.
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DOI:
10.1021/acsmedchemlett.1c00539
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发表时间:
2022-04-14
影响因子:
4.2
通讯作者:
Golden JE
Golden JE
中科院分区:
医学3区
文献类型:
--
作者:
Ryan MC;Kim E;Cao X;Reichard W;Ogorek TJ;Das P;Jonsson CB;Baudry J;Chung D;Golden JE

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委内瑞拉和东部马脑炎病毒是致病的神经性病原体,在人类中没有批准的治疗方案。在扩展通过喹唑啉酮重排制备的抗甲病毒脒的药效模型时,我们发现二胺处理的2-二卤甲基喹啉酮意外地得到扩环的哌嗪稠合苯并二氮杂卓酮类。值得注意的是,这种新的化学型(19个实例)显示出对病毒诱导的细胞死亡的有效的亚微摩尔抑制,病毒产量的>7-log减少,以及两种病毒之间易处理的结构-活性关系。在原代人神经元细胞中证实了抗病毒活性。提出了产物形成的机理原理,并在类似取代的抗病毒脒和哌嗪基苯并二氮杂卓酮原型之间进行了关键结构元素的比较建模,以指导未来的抗病毒开发。
Venezuelan and eastern equine encephalitis viruses are disease-causing, neuropathic pathogens with no approved treatment options in humans. While expanding the pharmacophoric model of antialphaviral amidines prepared via a quinazolinone rearrangement, we discovered that diamine-treated, 2-dihalomethylquinolinones unexpectedly afforded ring-expanded piperazine-fused benzodiazepinones. Notably, this new chemotype (19 examples) showed potent, submicromolar inhibition of virus-induced cell death, >7-log reduction of viral yield, and tractable structure–activity relationships across both viruses. Antiviral activity was confirmed in primary human neuronal cells. A mechanistic rationale for product formation is proposed, and key structural elements were comparatively modeled between a similarly substituted antiviral amidine and piperazinobenzodiazepinone prototypes to guide future antiviral development.
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