波谱学杂志

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新18,19-裂乌索酸型三萜皂甙的NMR研究

欧阳明安   

  1. 华侨大学生物工程与技术系,福建泉州 362011
  • 收稿日期:2003-02-12 修回日期:2003-03-20 出版日期:2003-09-05 发布日期:2003-09-05
  • 作者简介:欧阳明安(1963-),男,江西吉安人,博士,研究员,从事有机化学、生物化学专业.
  • 基金资助:

    国家自然科学基金资助项目(20272015).

NMR STUDY ON A NOVEL 18,19-SECO-URSANE SAPONIN ISOLTED FROM ILEX ACULEOLATA

OUYANG Ming-an   

  1. Department of Bio-engineering & Technology, Huaqiao University, Quanzhou 362011, China
  • Received:2003-02-12 Revised:2003-03-20 Online:2003-09-05 Published:2003-09-05
  • Supported by:

    国家自然科学基金资助项目(20272015).

摘要:

用二维NMR技术(HMBC和NOESY)研究了从药用冬青属植物满树星中分离出的一新18,19-裂乌索酸型三萜皂甙-满树星甙I(aculeoside I), 确定了该化合物的碳骨架结构.

关键词: 核磁共振, 归属, HMBC, 18,19-裂乌索酸, 满树星甙

Abstract:

A novel 18,19-seco-ursane saponin, aculeoside I (1) was isolated from the leaves of Ilex aculeolata Nakai. 2D NMR methods were used to elucidate its
chemical structure. The structure of the new saponin was determined as 3,19-dihydroxyl-16,21-epoxy-18,19-seco-13(18)-urs-ene-28-oic-acid-19-O-α-
L-rhamnopyranosyl-(1→2)-α-L-arabinopyranoside.

Key words: NMR, HMBC, NOESY, Ilex aculeolata, Aquifoliaceae, 18,19-seco-ursane, saponin

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