[关键词]
[摘要]
目的 对海南狗牙花Ervatamia hainanensis的生物碱化学成分进行研究。方法 采用硅胶、Sephadex LH-20、MCI以及半制备HPLC等色谱方法进行分离纯化,根据理化性质和现代波谱学技术鉴定化合物的结构。结果 从海南狗牙花甲醇提取物中分离得到12个生物碱,分别鉴定为冠狗牙花碱(1)、19-表海尼山辣椒碱(2)、9,10-二甲氧基冠狗牙花碱(3)、老刺木碱(4)、老刺木碱-4-氮氧化物(5)、3-oxo-19-epi-heyneanine(6)、劲直胺(7)、deacetylakuammiline(8)、pandine(9)、rhazicine(10)、rhazicine N(4)-oxide(11)、rhazimine(12)。结论 化合物8、10~12为首次从该属植物中分离得到,化合物3、5~7为首次从该植物中分离得到。
[Key word]
[Abstract]
Objective To study the alkaloids from Ervatamia hainanensis. Methods The alkaloids were isolated and purified by silica gel, MCI, Sephadex LH-20 column chromatography, and semi-preparative HPLC, and their structures were elucidated by physical and spectroscopic analysis. Results Twelve alkaloids were obtained and identified as coronaridine (1), 19-epi-heyneanine (2), 9,10-dimethoxycoronaridine (3), vobasine (4), vobasine N(4)-oxide (5), 3-oxo-19-epi-heyneanine (6), strictamine (7), deacetylakuammiline (8), pandine (9), rhazicine (10), rhazicine N(4)-oxide (11), and rhazimine (12). Conclusion Compounds 8 and 10-12 are isolated from the genus Ervatamia Stapf for the first time, while compounds 3 and 5-7 are firstly obtained from E. hainanensis.
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[基金项目]
国家自然科学基金资助项目(81373978);陕西省科技资源开放共享平台项目(2015FWPT-01);陕西省重点科技创新团队(2012KCT-20)