[关键词]
[摘要]
目的 研究广东紫珠Callicarpa kwangtungensis醋酸乙酯部位的化学成分。方法 运用正、反相硅胶,凝胶以及制备液相色谱方法进行分离纯化,并根据理化性质、波谱数据鉴定化合物的结构。结果 从广东紫珠茎叶和叶醋酸乙酯部位分离得到16个化合物,分别鉴定为carpeside B(1)、loliolide(2)、(3S,6E,10R)-10-β-D-吡喃葡萄糖-3,11-二羟基-3,7,11-三甲基-1,6-二烯(3)、lanceolatin A(4)、大豆素(5)、开环异落叶松脂醇(6)、(7S,8R)-4,9,9'-三羟基-3,3'-二甲氧基-7,8-二氢苯并呋喃-1'-丙基新木脂素(7)、silybin A(8)、isosilybin A(9)、isosilybin B(10)、2,3-脱氢水飞蓟宾(11)、silychristin A(12)、silychristin B(13)、isosilychristin(14)、silydianin(15)、nigaichigoside F2(16)。结论 化合物4~15为首次从紫珠属植物中分离得到。
[Key word]
[Abstract]
Objective To study the ethyl acetate-soluble chemical constituents of Callicarpa kwangtungensis.Methods The chemical constituents were isolated by column chromatography on silica gel, ODS, Sephadex LH-20, and MPLC.Their chemical structures were elucidated on the basis of special analysis.Results Sixteen compounds were isolated and identified as carpeside B (1), loliolide (2), (3S, 6E, 10R)-10-β-D-glucopyranosyloxy-3, 11-dihydroxy-3, 7, 11-trimethyldodeca-1, 6-dine (3), lanceolatin A (4), daidzein (5), secroisolariciresinol (6), (7S, 8R)-4, 9, 9'-trihydroxy-3, 3'-dimethoxy-7, 8-dihydrobenzofuran-1'-propylneolignan (7), silybin A (8), isosilybin A (9), isosilybin B (10), 2, 3-dehydrosilyhin (11), silychristin A (12), silychristin B (13), isosilychristin (14), silydianin (15), and nigaichigoside F2(16).Conclusion Compounds 4-15 are isolated from the genus Callicarpa for the first time.
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[基金项目]
国家自然科学基金资助项目(81460589)