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目的:对大戟科植物油桐(Vernicia fordii(Hemsl.)Airy Shaw)根的化学成分进行研究。方法:运用多种层析方法进行分离纯化,通过波谱解析进行结构鉴定。结果:从油桐根的乙醇提取物中分离并鉴定出6种成分,它们是12-O-palmityl-13-O-acetyl-16-hydroxyphorbal(1),aleuritin(2),(-)syringaresinol(3),daucosterol(4),4-hydroxy-3,5-dimethoxybenzolicacid(5)和acetylaleuritolic acid(6).其中1和2首次从根中分得,并补充了一些NMR研究。结论:化合物3-6为本植物中首次报道,6是齐墩果烷型三萜,结构中具有△14,15,在天然界较少见。
Objective: To study the chemical constituents of the root of Vernicia fordii (Hemsl.) Airy Shaw. Methods: A variety of chromatographic methods were used to separate and purify. The structures were identified by spectral analysis. RESULTS: Six components were isolated and identified from the ethanol extract of A. quinquescens root. They were 12-O-palmityl-13-O-acetyl-16-hydroxyphorbal(1), aleuritin(2), (-)syringaresinol ( 3), daucosterol (4), 4-hydroxy-3, 5-dimethoxybenzolic acid (5) and acetylaleuritolic acid (6). Among them, 1 and 2 were firstly obtained from roots and supplemented with some NMR studies. Conclusion: Compounds 3-6 are reported for the first time in this plant, 6 is oleanane type triterpenoids, with △ 14,15 in structure, and rare in the natural world.