Germacranolides and other constituents from ageratzna species
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Tamayo Castillo, Giselle
Jakupovic, Jasmin
Bohlmann, Ferdinand
Rojas, A.
Castro Araya, Víctor H.
King, Robert M.
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Abstract
The aerial parts of Ageratina anisochroma gave several thymol derivatives including five new ones, a hydroxypiperitol glucoside, some substituted benzyl benzoates and several germacranolides related to provincialin. From A. ligustrina similar germacranolides, an oplopanone derivative and a further geranyl nerol derivatives were isolated. The structures were elucidated by high field NMR techniques.
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Keywords
Ageratina anisochroma, A. ligustrina, Compositae, Sesquiterpene lactones, germacranolides, Thymol derivatives, 6-hydroxypiperitol glucoside, 15-cinnamoyloxyoplopanone, Benzyl benzoates, Geranyl nerol derivatives, PHOTOCHEMISTRY