SESQUITERPENE LACTONES OF HELENIUM ALTERNIFOLIUM (SPRENG) CABRERA . STRUCTURES OF BREVILIN A LINIFOLIN A AND ALTERNILIN

被引：34
作者：
HERZ, W
GAST, CM
SUBRAMAN.PS
机构：
[1] Department of Chemistry, Florida State University, Tallahassee
来源：
JOURNAL OF ORGANIC CHEMISTRY | 1968年 / 33卷 / 07期
关键词：
D O I：
10.1021/jo01271a036
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Helenium alternifolium (Spreng.) Cabrera from near Tucuman, Argentina, furnished primarily tenulin and smaller amounts of brevilin A, previously isolated from H. brevifolium (Nutt.) A. Wood, linifolin A, previously isolated from H. linifolium Rybd., and 6,3′-dimethoxy-5,7,4′-flavone. A collection of H. alternifolium from near La Plata, Argentina, afforded the new sesquiterpene lactone alternilin as the sole crystallizable constituent. Structures of brevilin A, linifolin A, and alternilin have been established. © 1968, American Chemical Society. All rights reserved.
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页码：2780 / &
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