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Sinapyl Alcohol Derivatives from the Lipo-soluble Part of Dichrocephala benthamii C. B. Clarke

机译:Dichrocephala benthamii C. B. Clarke脂溶性部分的Sinapyl醇衍生物

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摘要

Four new sinapyl alcohol derivatives dichrocephols A–D (compounds >1–>4) were isolated from the lipo-soluble part of the whole herb of Dichrocephala benthamii C. B. Clarke, together with the known compound syringenin isovalerate (>5). Their structures were elucidated on the basis of spectroscopic analysis. Their absolute configurations were established by the method of alkaline hydrohysis. Compounds >1–>3 showed moderate cytotoxity against HeLa cells, with IC50 values of 14.8 μM, 51.6 μM and 81.6 μM, respectively. This is the first time that sinapyl alcohol derivatives were isolated from the genus Dichrocephala.
机译:从整个地衣草中的脂溶性部分中分离出四种新的芥子醇衍生物双色酚A–D(化合物> 1 – > 4 )以及已知的复方新戊二烯异戊酸酯(> 5 )。在光谱分析的基础上阐明了它们的结构。通过碱性水解的方法确定了它们的绝对构型。化合物> 1 – > 3 对HeLa细胞具有中等细胞毒性,IC50值分别为14.8μM,51.6μM和81.6μM。这是首次从Dichrocephala属中分离出芥子醇衍生物。

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