A TRITERPENE FROM RUBUS-PINFAENSIS

被引:46
作者
DURHAM, DG
LIU, XJ
RICHARDS, RME
机构
[1] School of Pharmacy, The Robert Gordon University, Aberdeen
关键词
RUBUS PINFAENSIS; ROSACEAE; ROOTS; PENTACYCLIC TRITERPENE; GLYCOSIDE; PINFAENSIC ACID;
D O I
10.1016/S0031-9422(00)89744-7
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
A new pentacyclic triterpene, pinfaensin, was isolated from the roots of Rubus pinfaensis and the structure elucidated by C-13 NMR methods. This triterpene, a glycoside of pinfaensic acid (glucosyl 23-formyl-2 alpha,3 beta,19 alpha-trihydroxyurs-12-en-28-oate), in order to achieve purification and characterization, was hydrolysed to previously unreported pinfaensic acid which on acetylation and methylation gave methyl diacetoxypinfaensate (methyl 2 alpha,3 beta-diacetoxy-23-formyl-19 alpha-hydroxyurs-12-en-oate).
引用
收藏
页码:1469 / 1472
页数:4
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