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Subtropical Plant Science

Subtropical Plant Science ›› 2006, Vol. 35 ›› Issue (01): 35-38.

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Structural Identification of Pumiloside, A Quinoline Alkaloid Glycoside, Isolated from Leaves of Davidio involucrata

LIU Rong, OU'YANG Ming-an   

  1. Department of Bio-engineering & Technology, Huaqiao University, Quanzhou 362021, Fujian China
  • Received:2005-07-21 Online:2006-03-10 Published:2006-03-10

珙桐叶中喹啉类生物碱甙——pumiloside结构鉴定

刘荣,欧阳明安   

  1. 华侨大学 生物工程与技术系, 福建 泉州 362021
  • 作者简介:刘荣(1980-),男,四川成都人,硕士研究生,从事天然产物化学研究。

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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.

Key words: Davidio involucrata, NMR, assignment, 2D NMR, pumiloside, structural identification

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。

关键词: 珙桐, NMR, 2D NMR, Pumiloside, 结构鉴定

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