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珙桐叶中喹啉类生物碱甙——pumiloside结构鉴定
Structural Identification of Pumiloside,A Quinoline Alkaloid Glycoside,Isolated from Leaves of Davidio involucrata
【摘要】 首次从珙桐叶甲醇提取物的水溶性部分得到一配糖体化合物-喹啉类生物碱甙(pumiloside),它是抗肿瘤物质喜树碱的生物合成前体。本文对其结构进行鉴定。
【Abstract】 A glycoside was isolated from the leaves of Davidio involucrata.NMR and MS methods were used to elucidate its chemical structure.The compound was determined as pumiloside,a quinoline alkaloid glycoside,and it was a biosynthetic precursor of camptothecin.The alkaloid glycoside was isolated from Davidio involucrata for the first time.
【关键词】 珙桐;
NMR;
2DNMR;
Pumiloside;
结构鉴定;
【Key words】 Davidio involucrata; NMR; assignment; 2D NMR; pumiloside; structural identification;
【Key words】 Davidio involucrata; NMR; assignment; 2D NMR; pumiloside; structural identification;
- 【文献出处】 亚热带植物科学 ,Subtropical Plant Science , 编辑部邮箱 ,2006年01期
- 【分类号】Q946
- 【被引频次】18
- 【下载频次】262