OXINDOLE ALKALOIDS FROM UNCARIA-SINENSIS

被引：25
|
作者：
LIU, HM
FENG, XZ
机构：
[1] Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing, 100050
来源：
PHYTOCHEMISTRY | 1993年 / 33卷 / 03期
关键词：
UNCARIA-SINENSIS; RUBIACEAE; 16-CARBOXY DERIVATIVES OF OXINDOLE ALKALOIDS; ISOPTEROPODIC ACID; PTEROPODIC ACID; MITRAPHYLLIC ACID; ISORHYNCHOPHYLLIC ACID; RHYNCHOPHYLLIC ACID;
D O I：
10.1016/0031-9422(93)85478-A
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Six constituents have been isolated from the hooks and stems of Uncaria sinensis. Five new 16-carboxy derivatives of oxindole alkaloids isopteropodic acid, pteropodic acid, mitraphyllic acid, isorhynchophyllic acid and rhynchophyllic acid, have been identified along with one known coumarin, scopoletin. Their structures were deduced on the basis of spectroscopic evidence and chemical correlations. The structure and relative stereochemistry of isorhynchophyllic acid were confirmed by X-ray crystallographic analysis.
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页码：707 / 710
页数：4
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