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目的研究采自中国西沙群岛海域的豆荚软珊瑚Lobophytum sp.的化学成分。方法利用硅胶柱色谱、Sephadex LH-20凝胶柱色谱和高效液相色谱等方法进行分离纯化,并根据理化性质和波谱数据对化合物的结构进行鉴定。结果从豆荚软珊瑚Lobophytum sp.的乙醇提取物中分离得到5个化合物,分别鉴定为11,12-epoxy-sarcophytonin E(1)、胆甾-5,22-二烯-3β-醇(2)、honulactone A(3)、sarcophytonone(4)、3-dehydroxyl-20-acetylpresinularolide B(5)。结论化合物1为新化合物,命名为豆荚软珊瑚萜A;化合物2~4为首次从该属软珊瑚中分离得到。
Objective To study the chemical constituents of Lobophytum sp. Collected from the Xisha Islands in China. Methods The compounds were separated and purified by silica gel column chromatography, Sephadex LH-20 column chromatography and high performance liquid chromatography (HPLC). The structures of the compounds were identified by their physicochemical properties and spectral data. Results Five compounds were isolated from the ethanolic extract of Lobophytum sp., And were identified as 11,12-epoxy-sarcophytonin E (1), cholesta-5,22-dien-3β- , Honulactone A (3), sarcophytonone (4), 3-dehydroxyl-20-acetylpresinolide B (5). Conclusions Compound 1 is a new compound named podocarpus A, and compounds 2 ~ 4 are isolated from soft corals for the first time.