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Mexicanolide limonoids with in vitro neuroprotective activities from seeds of Khaya senegalensis

机译:塞内加尔茄子种子中具有体外神经保护活性的墨西哥菊香柠檬苦素

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摘要

Fourteen new mexicanolide-type limonoids, khasenegasins A-N (1-14), together with three known limonoids (15-17) were isolated from the seeds of Khaya senegalensis (Desr.) A. Juss. Their structures were elucidated on the basis of NMR, HRMS and single crystal diffraction techniques. The absolute configuration of compound 1 was determined by single-crystal X-ray diffraction using mirror Cu K alpha radiation. Two of the compounds (6 and 17) displayed in vitro neuroprotective activities against glutamate-induced injury in primary rat cerebellar granule neuronal cells (CGCs) at a concentration of 10 mu M and 1 mu M.
机译:从塞内加尔哈萨克(A. Juss。在NMR,HRMS和单晶衍射技术的基础上阐明了它们的结构。化合物1的绝对构型通过使用镜面Cu Kα辐射的单晶X射线衍射测定。两种化合物(6和17)在浓度为10μM和1μM的原代大鼠小脑颗粒神经元细胞(CGC)中显示出针对谷氨酸诱导的损伤的体外神经保护活性。

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