波谱学杂志 ›› 2005, Vol. 22 ›› Issue (3): 301-307.

• 研究简报 • 上一篇    下一篇

射干中一个新异黄酮的核磁共振研究

  

  1. 1.沈阳药科大学 中药学院,辽宁 沈阳 110016; 2.天津药物研究院,天津 300193
  • 收稿日期:2005-02-06 修回日期:2005-04-05 出版日期:2005-09-05 发布日期:2005-09-05

Structure Elucidation of Isoflavones Extracted from Belamcanda Chinensis

  1. 1.School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; 
    2.Tianjin Institute of Pharmaceutical Research, Tianjin 300193, China
  • Received:2005-02-06 Revised:2005-04-05 Online:2005-09-05 Published:2005-09-05

摘要:

从射干中分离得到一个新异黄酮及结构相似的两个异黄酮类化合物,即 5,7,3′-三羟基-6,2′,5′-三甲氧基异黄酮, 5,7,3′-三羟基-6,4′,5′-三甲氧基异黄酮(野鸢尾黄素)和它的苷(野鸢尾苷). 它们的结构都通过1H NMR,  13C NMR 确定. 新异黄酮的结构通过MS, HMBC, HSQC 和 NOESY进一步确定.

关键词: NMR, 归属, 射干, 异黄酮, 野鸢尾黄素

Abstract:

A new isoflavone and two compounds with similar structures, namely 5, 7, 3′-trihydroxy-6, 2′, 5′-trimethoxyisoflavone, 5, 7, 3′-trihydroxy-6, 4′, 5′-trimethoxyisoflavone (irigenin) and its glucoside (iridin), were isolated from Belamcanda chinensis. The structures of these compounds were determined by 1H  and 13C NMR spectroscopy. The structure of the new isoflavone was further verified by combined use of mass spectroscopy and 2D NMR techniques including HMBC, HSQC and NOESY.

Key words: NMR, assignments, mass spectroscopy, Belamcanda chinensis, isoflavone, irigenin

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