New lupane derivatives from the leaves of Licania pyrifolia

被引:19
作者
Bilia, AR [1 ]
Morelli, I [1 ]
Mendez, J [1 ]
机构
[1] CENT UNIV VENEZUELA,FAC CIENCIAS,ESCUELA QUIM,CARACAS 1020A,VENEZUELA
来源
JOURNAL OF NATURAL PRODUCTS | 1996年 / 59卷 / 03期
关键词
D O I
10.1021/np960134j
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Fractions of the dried leaves of Licania pyrifolia containing triterpenes were, investigated, and four new compounds (1-4) were isolated. Their structures were established after detailed NMR spectral studies as 11 alpha-hydroxybetulinic acid, 6 beta-hydroxybetulinic acid, 2 alpha,3 beta-dihydroxyup-12-en-28-oic acid 3-(3',4'-dihydroxybenzoyl ester), and 2 alpha,3 beta,27-trihydroxylup-12-en-28-oic acid 3-(3',4'-dihydroxybenzoyl ester), respectively.
引用
收藏
页码:297 / 300
页数:4
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