首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >Steroids from the South China Sea gorgonian coral Muricella flexuosa
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Steroids from the South China Sea gorgonian coral Muricella flexuosa

机译:来自南中国海的珊瑚类固醇类固醇Muricella flexuosa

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摘要

Four new steroidal glycosides and a new steriod linked with a 4-hydroxyphenylmethylene group, namely muricellasteroids A- E (1 - 5), together with one known steroidal glycoside analog, 22α,2′,3′,4′- O-tetraacetyl-27-O-[β-D-arabino-pyranosyl-oxy]-20β-hydroxy-cholest-4 ene-3-one (6), were isolated from the EtOH/CH_2C_l2 extracts of the South China Sea gorgonian coral Muricella flexuosa. The structures of 1 - 5 were established by means of 1D- and 2D-NMR and other spectroscopic analyses. Compounds 1 - 3 and 5 - 6 showed moderate cytotoxicity against A375, K562, and A549 cancer cell lines.
机译:四个新的甾体糖苷和一个与4-羟苯基亚甲基相连的甾体,即鼠类固醇A-E(1-5),以及一个已知的甾体糖苷类似物22α,2',3',4'-O-四乙酰基- 27-O- [β-D-阿拉伯糖基-吡喃糖基-氧基]-20β-羟基-胆甾4烯-3-一(6)是从南中国海山形珊瑚弗氏莫里氏菌的EtOH / CH_2C_12提取物中分离得到的。 1-5的结构是通过1D和2D-NMR以及其他光谱分析确定的。化合物1-3和5-6对A375,K562和A549癌细胞显示中等程度的细胞毒性。

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