Lactones from Ficus auriculata and their effects on the proliferation function of primary mouse osteoblasts in vitro.

Lactones from Ficus auriculata and their effects on the proliferation function of primary mouse osteoblasts in vitro.
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耳榕内酯及其对体外原代小鼠成骨细胞增殖功能的影响。

DOI:
10.1016/j.bmcl.2014.06.035
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发表时间:
2014-08
期刊:
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
影响因子:
--
通讯作者:
Chen wenhao
Chen wenhao
中科院分区:
其他
文献类型:
--
作者:
Dai chunyan;Song xiaoping;Zhang jinchao;Chen wenhao

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对耳叶榕茎的石油醚、氯仿和EtOAc提取物进行生物测定引导的分馏,分离出五种新的12元内酯(3R,4 R)-4-羟基-去-O-甲基lasiodiplodin(1)、6-oxolasiodiplodin(2)和ficusines A-C(3-5),以及三种已知的相关类似物(6-8)。新化合物的结构经波谱数据确证。通过单晶X射线衍射分析确定了3和8的绝对构型。化合物3 - 5代表第一个含醌环单元的12元内酯。化合物6和化合物7在体外对原代成骨细胞(OBs)具有明显的增殖作用。特别是在100 μM浓度时,6的促增殖率达到151.55 ± 1.34%(P< 0.001)。
Bioassay-guided fractionation of the petroleum ether, chloroform and EtOAc extracts of the stems ofFicus auriculataled to the isolation of five new 12-membered lactones (3R,4R)-4-hydroxy-de-O-methyllasiodiplodin (1), 6-oxolasiodiplodin (2) and ficusines A−C (3–5), together with three known related analogues (6–8). The structures of the new compounds were elucidated by comprehensive spectroscopic data. The absolute configurations of3and8were established by single crystal X-ray diffraction analysis. Compounds3–5represent the first 12-membered lactones with a quinone ring unit. Compounds6and7exhibited significant proliferation function of primary osteoblasts (OBs) in vitro. Especially, the promotion rate of6reached 151.55 ± 1.34% (P< 0.001) at the concentration of 100 μM.
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