[关键词]
[摘要]
目的研究红树林植物海漆Excoecaria agallocha的化学成分。方法利用柱色谱手段,结合波谱方法(EI-MS,1D NMR)分离鉴定海漆的化学成分。结果从红树林植物海漆的石油醚部分分离纯化了12个次生代谢产物,分别鉴定为蒲公英赛酮(Ⅰ)、邻苯二甲酰正二丁酯(Ⅱ)、β-香树脂醇(Ⅲ)、3-羟基-18烯-齐墩果烷(Ⅳ)、3-羰基-18-烯-齐墩果烷(Ⅴ)、褐藻素A(脱镁叶绿素A,Ⅵ)、白桦脂醇(Ⅶ)、β-扶桑甾醇(Ⅷ)、β-谷甾醇(Ⅸ)、白桦脂酸(Ⅹ)、齐墩果酸(Ⅺ)、熊果酸(Ⅻ)。结论其中化合物Ⅶ、Ⅷ、Ⅹ、Ⅻ为首次从该植物中分离得到。
[Key word]
[Abstract]
Objective To study the chemical constituents from mangrove Excoecaria agallocha.Methods The chemical constituents were separated and purified by chromatographic methods after solvent extraction and were identified by spectroscopic analyses (EI-MS, 1D NMR).Results Twelve compounds were isolated from this plant and identified as:14-taraxeren-3-one(Ⅰ),dibutyl phthalate(Ⅱ),β-amyrin(Ⅲ),18-oleanen-3-of(Ⅳ),18-oleanen-3-one(Ⅴ),phaeophytin A(Ⅵ),betulin(Ⅶ),β-rosasterol(Ⅷ),β-sitosterol(Ⅸ),betulinic aicd(Ⅹ),oleanolic acid(Ⅺ),ursolic acid(Ⅻ).Conclusion Compounds Ⅶ、Ⅷ、ⅩandⅫ are isolated from this plant for the first time.
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[基金项目]
国家高科技计划“863”课题(2002AA217081)