Phytochemical Investigation of the Stem Bark of Phlogacanthus thyrsiflorus (Roxb.) Nees.

被引：0

作者：

Ilham, S. ^{[1
]}

Ali, M. S. ^{[1
]}

Hasan, C. M. ^{[2
]}

机构：

[1] Univ Dhaka, Fac Pharm, Dept Clin Pharm & Pharmacol, Dhaka 1000, Bangladesh

[2] Univ Dhaka, Fac Pharm, Dept Pharmaceut Chem, Dhaka 1000, Bangladesh

来源：

ASIAN JOURNAL OF CHEMISTRY | 2012年 / 24卷 / 02期

关键词：

Labdane diterpene; 19-Hydroxy-labda 8(17); 13-Diene-15; 16-Olide; Pinusolidic acid; Triterpene; Betulin; DITERPENE;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The stem bark of Phlogacanthus thyrsiflorus (Acanthaceae) was subjected to phytochemical investigation. The powdered stem bark was extracted with methanol and then partitioned between chloroform and petroleum ether. Two labdane diterpenes namely 19-hydroxy-labda 8(17), 13-diene-15, 16-olide and ent-labd-8(17), 13-dien-15,16-olide-19-oic acid (pinusolidic acid) and one triterpene betulin were isolated from the chloroform and petroleum ether fraction of the methanolic extract by column chromatography followed by preparative thin layer chromatography. The structure of the compounds were established by high field NMR methods (H-1 NMR, C-13 NMR) as well as by comparison with reported compounds.

引用

页码：784 / 786

页数：3

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