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Synthesis and biological activity evaluation of azacycloheptane sulfonamide derivatives as potential orexin receptor antagonists

机译:氮杂环庚烷磺酰胺衍生物作为潜在的奥克替素受体拮抗剂的合成及生物活性评价

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摘要

As the orexin signaling system is crucial for the regulation of the sleep/wake cycle, inhibitors of orexin-1 and orexin-2 receptors are of significant interest in the treatment of insomnia. Herein, a series of novel azacycloheptane sulfonamide derivatives were designed and synthesized, and all the compounds were evaluated as potential orexin receptor inhibitors by FLIPR Tetra calcium assay. A majority of the tested azacycloheptane sulfonamide derivatives showed OX1R and OX2R inhibitory activity. Chloro-substituted derivatives functionalized at the C5 or C6 position of the benzoxazole group exhibited better inhibitory activity for OX1R and OX2R than unsubstituted derivatives functionalized at C5 or C6. In addition, phenyl group modification had positive effects on the inhibitory activities, and an electron-withdrawing fluorine group at theorthoormetaposition of the phenyl ring improved the OX2R inhibitory activity of the derivatives. This suggests that azacycloheptane sulfonamide derivatives are promising scaffolds for the development of OX1R and OX2R antagonists.
机译:作为食欲素信号系统是用于睡眠的调节关键/唤醒周期,食欲素-1和食欲素-2受体的抑制剂在治疗失眠显著兴趣。此处,一系列新颖氮杂环庚烷磺酰胺衍生物的设计和合成,并且所有化合物被评估为通过FLIPR四钙测定潜在食欲素受体抑制剂。大多数所测试的氮杂环庚烷磺酰胺衍生物都表现出OX1R和OX2R抑制活性。氯取代的苯并恶唑基团的C5或C6位置官能化衍生物表现出更好的抑制活性为OX1R和OX2R比C5或C6官能或未取代的衍生物。此外,苯基团改性对抑制活性积极的效果,并且在苯环的theorthoormetaposition吸电子氟基团而改善的衍生物的OX2R抑制活性。这表明,氮杂环庚磺酰胺衍生物是有前途的支架的OX1R和OX2R拮抗剂的开发。

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  • 来源
    《RSC Advances》 |2020年第51期|共9页
  • 作者单位

    Chongqing Med Univ Sch Pharmaceut Sci Chongqing 400016 Peoples R China;

    Jiangsu Nhwaluokang Pharmaceut Res &

    Dev Co Ltd Chongqing 400016 Peoples R China;

    Jiangsu Nhwaluokang Pharmaceut Res &

    Dev Co Ltd Chongqing 400016 Peoples R China;

    Chongqing Med Univ Sch Pharmaceut Sci Chongqing 400016 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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