2 NEW SESQUITERPENE LACTONES FROM CEIBA-PENTANDRA

被引：23
|
作者：
RAO, KV
SREERAMULU, K
GUNASEKAR, D
RAMESH, D
机构：
[1] SRI VENKATESWARA UNIV,DEPT CHEM,TIRUPATI 517502,ANDHRA PRADESH,INDIA
[2] CCRH,DRUG STANDARDIZAT UNIT,HYDERABAD 500007,ANDHRA PRADESH,INDIA
来源：
JOURNAL OF NATURAL PRODUCTS | 1993年 / 56卷 / 12期
关键词：
D O I：
10.1021/np50102a003
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Two new sesquiterpene lactones showing moderate antimicrobial activity have been isolated from the root bark of Ceiba pentandra (Bombacaceae) in addition to the known compounds 8-formyl-7-hydroxy-5-isopropyl-2-methoxyl-3-methyl-1,4-naphthaquinone [1], and 7-hydroxycadalene [2]. The new compounds were characterized as 2,7-dimethoxy-5-isopropyl-3-methyl-8,1-naphthalene carbolactone [3] and 2-hydroxy-5-isopropyl-7-methoxy-3-methyl-8,1-naphthalene carbolactone [4] by chemical and spectroscopic studies.
引用
收藏
页码：2041 / 2045
页数：5
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