Norbergenin derivatives from the stem bark of Diospyros sanza-minika (Ebenaceae) and their radical scavenging activity

被引：13
|
作者：
Tangmouo, Jean Gustave [1 ,3 ]
Ho, Raimana [1 ]
Lannang, Alain Meli [2 ]
Komguem, Justin [3 ]
Lontsi, Axel Tiwa [3 ]
Lontsi, David [3 ]
Hostettmann, Kurt [1 ]
机构：
[1] Univ Lausanne, Univ Geneva, Lab Pharmacognosy & Phytochem, Sch Pharmaceut Sci, CH-1211 Geneva 4, Switzerland
[2] Univ Maroua, Dept Chem, Higher Teachers Training Coll, Maroua, Cameroon
[3] Univ Yaounde 1, Dept Organ Chem, Yaounde, Cameroon
来源：
PHYTOCHEMISTRY LETTERS | 2009年 / 2卷 / 04期
基金：
瑞士国家科学基金会;
关键词：
Diospyros sanza-minika; Ebenaceae; 11-O-p-Hydroxybenzoylnorbergenin; 4-O-(3 '-Methylgalloyl)norbergenin; 4-O-Syringoylnorbergenin; Radical scavenging activity;
D O I：
10.1016/j.phytol.2009.07.001
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Three new norbergenin derivatives, 11-O-p-hydroxybenzoylnorbergenin, 4-O-(3'-methylgalloyl)norbergenin and 4-O-syringoylnorbergenin were isolated from the stem bark of Diospyros sanza-minika, along with three known compounds: norbergenin, 4-O-galloylnorbergenin and quercitol. Their structures were established on the basis of 1D and 2D NMR experiments and mass spectrometry. Some of the above compounds showed radical scavenging properties in a DPPH solution assay. (C) 2009 Phytochemical Society of Europe. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：192 / 195
页数：4
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