J Integr Plant Biol. ›› 2001, Vol. 43 ›› Issue (5): 545-550.

• Research Articles • Previous Articles    

The Chemical Constituents of Elsholtzia blanda

Lü Jin-Shun, SHEN Tong, GUO Zhen, SHEN Xu-Wei, ZHENG Shang-Zhen*   

  • Published:2001-05-15

Abstract:

Nine compounds were isolated from Elsholtzia blanda (Benth.) Benth. Their structures were identified with spectral and chemical methods as follows: 5,6-dihydro-6-styry-2-pyrone (1), friedelin (2), 4-hydroxy-3-methoxystyrene (3), 5,2′-dimethoxy-6,7-methylene dioxyflavanone (4), 5-hydroxy-7-methoxy-6-O-[α- L -rhamnopyranosyl(1→2)-β- D -fucopyranosyl] flavone glycoside (5), 5,5′-dihydroxy-7-acetoxyl-6,8,3″,3″-tetramethylpyran (3′,4′) flavone (6), 5,5′-dihydroxy-7-(α-methyl) butyroxyl-6,8,3″,3″-tetramethylpyran (3′,4′) flavone (7), 5,5′-dihydroxy-6,7-methylenedioxy-8,3″,3″-trimethylpyran (3′,4′) flavone (8), glucosyringic acid (9). Among them, 6, 7 and 8 are new compounds, named as sifanghaoine Ⅰ,Ⅱ and Ⅲ, respectively.

四方蒿的化学成分
吕金顺1 沈彤2 郭珍2 沈序维 郑尚珍2*

(1. 天水师范学院化学系,甘肃天水741001;2.  西北师范大学化学化工学院,兰州730070)

摘要: 从唇形科植物四方蒿(Elsholtzia blanda (Benth.)Benth.)中分离得到9个化合物,用光谱分析、化学方法及与已知化合物对照,分别鉴定为:5,6-二氢-6-苯乙烯吡喃-2-酮(1)、木栓酮(2)、4-羟基-3-甲氧基苯乙烯(3)、5,2′-二甲氧基-6,7-二氧亚甲基双氢黄酮(4)、5-羟基-7-甲氧基-6-O-[α-L-鼠李糖(1→2)-β-D-岩藻糖]黄酮甙(5)、5,5′-二羟基-7-乙酰氧基6,8,3″,3″-四甲基吡喃(3′,4′)黄酮(6)、5,5′-二羟基-7-(α-甲基)丁酰氧基-6,8,3″,3″-四甲基吡喃(3′,4′)黄酮(7)、5,5′-二羟基-6,7-二氧亚甲基-8,3″,3″-三甲基吡喃(3′,4′)黄酮(8)和丁香酸葡萄糖甙(9)。其中,6、7、8为新化合物,分别命名为四方蒿素Ⅰ、Ⅱ和Ⅲ。

关键词: 四方蒿;唇形科;四方蒿素

Key words: Elsholtzia blanda , Labiatae, sifanghaoine

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