Oleanolic and ursolic acid derivatives from Polylepis australis

被引：12
|
作者：
De Lampasona, MEP
Catalán, CAN
Gedris, TE
Herz, W [1 ]
机构：
[1] Florida State Univ, Dept Chem, Tallahassee, FL 32306 USA
[2] Univ Nacl Tucuman, Fac Bioquim Quim & Farm, Inst Quim Organ, RA-4000 San Miguel De Tucuman, Tucuman, Argentina
来源：
PHYTOCHEMISTRY | 1998年 / 49卷 / 07期
关键词：
Polylepis australis; Rosaceae; oleanolic acids; ursolic acids; triterpenes;
D O I：
10.1016/S0031-9422(98)00408-7
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：
Bark of Polylepis australis furnished a complex mixture of triterpene acids from which, after methylation, the methyl esters of five known and two new oleananes and five known ursanes were isolated. The esters of the two new oleananes were methyl 3 beta-hydroxyolea-9(11),12-dien-28-oate and methyl 2 alpha,3 beta-hydroxy-11-oxo-olean-12-en-28-oate. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2061 / 2064
页数：4
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