匐枝马尾藻的化学成分研究

Studies on the Chemical Constituents of the Algae Sargassum polycystcum

首次报道从中国北海匐枝马尾藻Sargassumpolycystcum分离得到 3个纯化合物 ,经过MS ,IR ,1HNMR ,13 CNMR(DEPT) ,HMQC和HMBC等波谱技术鉴定为 :豆甾 3β 羟基 5 ,2 3,2 5 三烯 (1) ,3 二十五烷氧基 1,2 丙二醇 (2 ) ,2 4 ξ 甲基胆甾 3β ,5α,6 β ,2 5 四醇 2 5 乙酸酯 (3) ,其中化合物

Three compounds have been isolated from the algae Sargassum polycystcum collected from the North China Sea. Their structures were established as stigmast-5,23,25-triene (1), 3-pentacosox-1,2-propanediol 2 (2), 24xi-methyleholestane-3beta,5alpha,6beta,25-tetrol-25-acetate (3) by MS, IR, D-1 NMR, D-2 NMR and elemental analysis. Compound 1 is a previously unknown compound.