Clemochinenosides C and D, two new macrocyclic glucosides from Clematis chinensis
Clemochinenosides C and D, two new macrocyclic glucosides from Clematis chinensis
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Clemochinenosides C 和 D,两种来自 Clematis chinensis 的新大环糖苷
DOI:
10.1080/10286020.2017.1387780
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发表时间:
2018-11
影响因子:
1.7
通讯作者:
Qiang Fu
中科院分区:
文献类型:
--
作者:
Lu Qiu;Hai-Mei Yuan;Jun-Ming Liang;Xiao-Ling Cheng;Ping Wang;Yu-Feng Du;Qiang Fu
Abstract The EtOH extract of the roots and rhizomes of Clematis chinensis afforded two new macrocyclic glucosides clemochinenosides C (1) and D (2). Their structures were elucidated on the basis of spectroscopic means and hydrolysis products. These compounds were evaluated for inhibitory activity against lipopolysaccharides-induced TNF-α production in RAW 246.7 macrophages. Compounds 1 and 2 showed moderate inhibitory activity with IC50 values of 12.9 ± 2.3 and 18.4 ± 2.7 μM, respectively. In addition, a proliferation study was used to evaluate the anti-angiogenic effects of these compounds in vitro (VEGF-induced human umbilical vein endothelial cell proliferation). Compounds 1 and 2 displayed weak inhibitory effects with inhibition rates of 26.3 ± 1.8 and 19.2 ± 2.6% at 50 μM, respectively.
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