TRITERPENES FROM MUCUNA-BIRDWOODIANA

被引：27

作者：

YI, D ^{[1
]}

KINJO, J ^{[1
]}

YANG, CR ^{[1
]}

NOHARA, T ^{[1
]}

机构：

[1] CHINESE ACAD SCI,KUNMING INST BOT,PHYTOCHEM LAB,KUNMING,PEOPLES R CHINA

来源：

PHYTOCHEMISTRY | 1991年 / 30卷 / 11期

关键词：

MUCUNA-BIRDWOODIANA; LEGUMINOSAE; TRITERPENOID GLYCOSIDE; METHYL MASLINATE; METHYL ASIATATE; 1-BETA; 2-ALPHA; 3-BETA; 23-TETRAHYDROXYOLEAN-12-EN; 28-OATE; 23-TETRHYDROXYURS-12-EN; MUCUNAGENIN-A; MUCUNAGENIN-B;

D O I：

10.1016/0031-9422(91)80094-H

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：

Methanolic extracts of the stalks of Mucuna birdwoodiana on acid hydrolysis and subsequent methylation with diazomethane provided four triterpene sapogenols. On the other hand, investigation of glycosides after methylation of the same extract led to the isolation of four triterpene glycosides. On the basis of chemical and spectral evidence, their structures were characterized as methyl asiatate, methyl maslinate, two new sapogenols, methyl 1-beta,2-alpha,3-beta,23-tetrahydroxyolean-12-en 28-oate (mucunagenin a), its urs-12-en isomer (mucunagenin b), 3-O-(6-O-methyl-beta-D-glucuronopyranosyl) methyl asiatate 3-O-[alpha-L-arabinopyranosyl(1 --> 2)]-6-O-methyl-beta-D-glucuronopyranosyl methyl maslinate, 3-O-[alpha-L-arabinopyranosyl(1 --> 2)]-6-O-methyl-beta-D-glucuronopyranosyl methyl asiatate and 3-O-(6-O-methyl-beta-D-glucuronopyranosyl) asiatic acid 28-O-beta-D-glucopyranoside.

引用

页码：3703 / 3707

页数：5

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