Lycopsamine and cumambrin B from Eupatorium maculatum.
The pyrrolizidine alkaloid (PA) lycopsamine and the guaianolide cumambrin B were isolated from Eupatorium maculatum L. Their structures were elucidated by spectroscopical methods.
Wiedenfeld
H
H
Pharmazeutisches Institut der Universität, An der Immenburg 4, D-53121 Bonn, Germany. wiedenfeld@uni-bonn.de
Hösch
G
G
Roeder
E
E
Dingermann
Th
T
D002851:Chromatography, High Pressure Liquid; D036602:Eupatorium / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D011763:Pyrrolizidine Alkaloids / Q000302:isolation & purification*; D012717:Sesquiterpenes / Q000302:isolation & purification*
D011763:Pyrrolizidine Alkaloids; D012717:Sesquiterpenes; C116964:cumambrin B; C018336:indicine