4-Alkylcoumarins and a phloroglucinol from the stem bark of Calophyllum gracilentum

被引：4
作者：
Lim, Chan Kiang [1 ]
Ham, Yenn Pinn [1 ]
Lim, Li Qing [1 ]
Jong, Vivien Yi Mian [2 ]
机构：
[1] Univ Tunku Abdul Rahman, Fac Sci, Dept Chem Sci, Kampar 31900, Perak, Malaysia
[2] Univ Teknol MARA, Fac Appl Sci, Ctr Appl Sci, Samarahan Campus 2,Jalan Meranek, Kota Samarahan 94300, Sarawak, Malaysia
来源：
PHYTOCHEMISTRY LETTERS | 2019年 / 30卷
关键词：
Calophyllum gracilentum; Guttiferae; 4-Alkylcoumarin; Phloroglucinol; CHEMICAL-CONSTITUENTS; ACIDS;
D O I：
10.1016/j.phytol.2019.01.022
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Three new 4-alkylcoumarins, gracilenins A-C (1-3) and a new phloroglucinol, gracilenol (4), along with two known compounds, euxanthone and friedelin were isolated from the stem bark of Calophyllum gracilentum. Their structures were established on the basis of 1D and 2D NMR spectroscopic data and HRESIMS analysis. This is the first report of 4-(butan-2-yl) coumarin derivatives in this genus.
引用
收藏
页码：99 / 102
页数：4
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