Sesquiterpene lactones ofFerula olgae
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1. Six sesquiterpene lactones have been isolated fromFerula olgae Regel et Schmalh. Three of them have been identified with talassins A and B and 4-acetoxypruteninone, which have been described previously.
2. The structure of olgoferin has been confirmed by chemical reactions, and the structures previously proposed for olgin, 4-acetoxypruteninone, and talassin B have been reconsidered.
KeywordsLactone Sesquiterpene Lactone Activity Grade Neutral Alumina Isobutyric Acid
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