波谱学杂志 ›› 2007, Vol. 24 ›› Issue (3): 341-346.

• 研究简报 • 上一篇    下一篇

九里香叶中甲氧基黄酮类化合物的NMR研究

王晓中;马彦冬;李绪文;桂明玉;马双成;金永日   

  1. 吉林大学 化学学院, 吉林 长春 130021
  • 收稿日期:2006-12-25 修回日期:2006-01-22 出版日期:2007-09-05 发布日期:2009-12-05
  • 通讯作者: 金永日

Structural Elucidation of Methoxyflavone Compounds Extacted from the Leaves of Murraya Exotica L.by NMR Spectroscopy

WANG Xiao-zhong;MA Yan-dong;LI Xu-wen;GUI Ming-yu;MA Shuang-cheng;JIN Yong-ri   

  1. Chemistry Collage of Jilin University, Changchun 130021, China
  • Received:2006-12-25 Revised:2006-01-22 Online:2007-09-05 Published:2009-12-05
  • Contact: Jin Yong-ri

摘要: 从九里香(Murraya exotica L.)叶中分离得到三个甲氧基黄酮类化合物:5,7,3′,4′-四甲氧基黄酮(化合物1)、5,7,3′,4′,5′-五甲氧基黄酮(化合物2)和5,6,7,3′,4′,5′-六甲氧基黄酮(化合物3). 应用1D和2D NMR(包括1H-1H COSY、HMQC和HMBC)对这三种化合物的结构进行了分析,确认了三个化合物中甲氧基的连接位置,并对1H和13C化学位移进行了归属.

关键词: NMR, 归属, 2D NMR, 九里香, 甲氧基黄酮

Abstract: Three methoxyflavone compounds: 5, 7, 3′, 4′-tetramethoxyflavone (compound 1), 5, 7, 3′, 4′, 5′-pentamethoxyflavone (compound 2) and 5,6, 7, 3′,4′,5′-hexamethoxyflavone (compound 3) were separated from the leaves of Murraya exotica L, among which compound 2was reported for the first time. 1H and 13C NMR spectra (including 1H-1H COSY, HMQC and HMBC) of the compounds were acquired and assigned. The structures of the compounds were elucidated. The position of the methoxyl group in each of the compounds was determined.

Key words: NMR, chemical shift assignment, Murraya exotical L, methoxyflavone