New cytotoxic sesquiterpenoids from Siegesbeckia glabrescens.

New cytotoxic sesquiterpenoids from Siegesbeckia glabrescens.
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DOI:
10.3390/molecules20022850
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发表时间:
2015-02-10
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Ryu JH
Ryu JH
中科院分区:
其他
文献类型:
--
作者:
Wu Q;Li H;Lee SY;Lee HJ;Ryu JH

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从光叶稀芒草(Siegesbeckia glabrescens)中分离得到两个新的倍半萜烯内酯A(1)和B(2),以及两个已知的倍半萜烯3和4。通过光谱分析阐明了它们的结构,并进一步评价了它们对人癌细胞(MCF-7、AsPC-1、SW 480、HCT 116、HepG 2、HeLa)的细胞毒活性。化合物1-4对靶癌细胞表现出不同的细胞毒作用,IC 50值在0.9-33.3 μM范围内。
Two new sesquiterpenoids, siegenolides A (1) and B (2), and two known sesquiterpenes 3 and 4 were isolated from Siegesbeckia glabrescens. Their structures were elucidated by spectroscopic analyses, and they were further evaluated for their cytotoxic activities against human cancer cells (MCF-7, AsPC-1, SW480, HCT 116, HepG2, HeLa). Compounds 1–4 showed differential cytotoxic effects on the target cancer cells with IC50 values in the range of 0.9–33.3 μM.
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