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DOI: 10.1055/s-2007-969976
© Hippokrates Verlag Stuttgart
Sesquiterpenlactone aus Arnica chamissonis
III.[1] , [2]: 4-O-Acetyl-6-desoxychamissonolid und 6-O-Propionyl-11,13-dihydrohelenalinPublication History
1982
Publication Date:
26 March 2007 (online)
Abstract
From the flowers of Arnica chamissonis LESS, sub-sp. foliosa (NUTT.) MAGUIRE and its variety incana (GRAY) HULTÉN two new naturally occuring pseudoguaianolides were isolated and their structures established by spectroscopic methods. They are shown to be 4-O-acetyl-6-desoxychamissonolide (3) and the propionylic ester of 11,13-dihydrohelenalin which was named arnicolide G (6).
Key Word Index
Arnica chamissonis - Asteraceae - sesquiterpene lactones - pseudoguaianolides - 4-O-acetyl-6-desoxychamissonolide, arnicolide G - structure elucidation
2 Kurzvortrag, gehalten auf der 29. Vortragstagung der Gesellschaft für Arzneipflanzenforschung in Marburg, 9.-13.6.1981, s. Lit. [17].
2 Kurzvortrag, gehalten auf der 29. Vortragstagung der Gesellschaft für Arzneipflanzenforschung in Marburg, 9.-13.6.1981, s. Lit. [17].