春根藤化学成分的研究(Ⅰ)

Studies on the Chemical Conbstituents of the Stems of Alyxia sinensis(Ⅰ)

目的 :探讨春根藤的化学成分。方法 :柱色谱分离 ,波谱解析鉴定结果。结果 :从石油醚提取物中分得17个化合物 ,为三十七烷 (1) ,三十八烷 (2 ) ,2 0 三十九烷酮 (3) ,2 0 四十烷酮 (4) ,大黄素甲醚 (5 ) ,大黄素 (6 ) ,大黄酚 (7) ,香豆素 (8)和伞形酮 (9) ,乙酸豆甾醇酯 (10 ) ,乙酸 β 谷甾醇酯 (11) ,羽扇豆醇 (12 ) ,白桦脂醇 (13) ,豆甾醇(14 ) ,β 谷甾醇 (15 ) ,熊果酸 (16 )和齐墩果酸 (17)。 结论 :17个化合物均系首次从该植物中获得 ,化合物 5～ 7,10 ,11系首次从该属植物中分得。

Objective:To demonstrate the chemical constitutes of Alyxia sinensis .Method:Phytochmical experiment was carried out, using column chromatograph technologies.Result:Five compounds have been isolated from the petroleum ether soluble part of the stems of A. sinensis . Their structures have been elucidated respectively as heptatriacontane(1), octatriacontane(2), 20 noatriacontannone(3), 20 nonatriacontanone(4), 20 tetraacontanoe(5), physcion(6), emodin(7), chrysophanol(8), coumarin(9), stigmasterol acetate(10),β sitosterol acetate(11),lupeol(12), betulin(13), stigmasterol(14), β sitosterol(15), ursolic acid(16), oleanolic acid(17).Conclusion:All these compounds are firstly been isolated from A. sinensis . And compound 5～9,10,11 are also been separated from Alyxiae genus for the first time.