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[摘要]
目的 研究紫丁香Syringa oblata树叶的化学成分。方法 采用硅胶柱色谱和高效液相色谱等对紫丁香树叶化学成分进行分离纯化,通过理化性质及波谱数据分析鉴定结构。结果 从紫丁香叶甲醇提取物中分离得到35个单体化合物,分别鉴定为齐墩果酸(1)、乌苏酸(2)、白桦酸(3)、1,3-苯并间二氧杂环戊烯-5-丙醇(4)、对羟基苯丙醇(5)、对羟基苯乙醇(6)、丁香苦素D(7)、丁香苦素E(8)、丁香苦素F(9)、丁香苦素A(10)、丁香苦素C(11)、3,4-二羟基苯乙醇(12)、丁香苦素B(13)、syringopicrogenin B(14)、蚱蜢酮(15)、(7R,8S)-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(16)、落叶松脂醇(17)、丁香苷(18)、3(Z)-己烯醇葡萄糖苷(19)、槲皮素-3-O-β-D-吡喃葡萄糖苷(20)、(8E)-ligstroside(21)、落叶松脂素-4-O-β-D-吡喃葡萄糖苷(22)、(8E)-ligstroside B(23)、(8E)-ligstroside A(24)、红景天苷(25)、7-脱氢马钱子苷(26)、fliederoside B(27)、syringopicroside B(28)、木犀榄苷二甲酯(29)、lilacoside(30)、丁香苦苷(31)、橄榄苦苷(32)、(+)-表松脂素-4'-O-β-D-葡萄糖苷(33)、毛蕊花糖苷(34)、(+)-落叶松脂素-4'-O-β-D-吡喃葡萄糖苷(35)。结论 其中化合物4、5、14~16、19、23、24、26、27为首次从紫丁香中分离得到。
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[Abstract]
Objective To study the chemical constituents from the leaf of Syringa oblata. Methods The compounds was isolated by silica gel column chromatography and HPLC, and their structure were identified by spectral data analysis. Results A total of 35 compounds were isolated and identified as oleanolic acid (1), ursolic acid (2), betulinic acid (3), 1,3-benzodioxole-5-propanol (4), p-hydroxyl benzene propyl alcohol (5), p-hydroxyl benzene ethel alcohol (6), syringopicrogenin D (7), syringopicrogenin E (8), syringopicrogenin F (9), syringopicrogenin A (10), syringopicrogenin C (11), 3,4-dihydroxyl benzene ethel alcohol (12), syringobittergenin B (13), syringo-picrogenin B (14), grasshopper ketone (15), (7R,8S)-4,9,9'-trihydroxyl-3,3'-dimethoxyl-7,8-dihydrobenzofuran-1'-propylneolignan (16), lariciresinol (17), syringin (18), 3(Z)-enol glucoside (19), quercetin-3-O-β-D-glucopyranoside (20), (8E)-ligstroside (21), epipinoresinol-4-O-β-D-glucopyranoside (22), (8E)-ligstroside B (23), (8E)-ligstroside A (24), salidroside (25), 7-dehydrologanin (26), fliederoside B (27), syringopicroside B (28), oleoside dimethyl ester (29), lilacoside (30), syrigopicroside (31), oleuropein (32), (+)-lariciresinol-4-O-β-D-glucopyranoside (33), verbascoside (34), and (+)-epipinoresinol-4'-O-β-D-glucopyranoside (35). Conclusion Compounds 4, 5, 14-16, 19, 23, 24, 26, and 27 are isolated from S. oblata for the first time.
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