SESQUITERPENE LACTONES . SOME NEW CONSTITUENTS OF AMBROSIA SPECIES - A PSILOSTACHYA AND A ACANTHICARPA

被引:20
作者
GEISSMAN, TA
GRIFFIN, S
WADDELL, TG
CHEN, HH
机构
[1] Department of Chemistry, University of California, Los Angeles
关键词
D O I
10.1016/S0031-9422(00)85806-9
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
Three distinct populations of Ambrosia psilostachya and four specimens of A. acanthicarpa, two of them being seedling and mature plants from a single location, have been examined and their sesquiterpene lactones isolated. Different populations vary markedly in lactone content, and the seedling and mature forms showed a wide qualitative difference. A new lactone, cumanin-3-acetate, and cumanin diacetate, not before found in nature, were isolated from A. psilostachya. Seven other lactones, all known in Ambrosia species, were also isolated. © 1970.
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页码:145 / &
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