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  • Title: Sesquiterpenes and other constituents from Achillea wilsoniana.
    Author: Yang M, Li JX, Li X, Jia ZJ.
    Journal: Pharmazie; 2005 Jul; 60(7):554-8. PubMed ID: 16076087.
    Abstract:
    From the methanol extract of the whole plant of Achillea wilsoniana, 23 compounds were isolated. Their structures were elucidated by spectroscopic methods and chemical transformations. Three of them are new: 4E, 10E-9beta-hydroxy-3-(2-methylbutyroyloxy)-germacra-4,10(1)-diene-12,6alpha-olide (1), 4E,10E-3-(2-methylbutyroyloxy)-germacra-4,10(1)-diene-12,6alpha-olide (2) and 1beta,6a-dihydroxy-10beta-methyl-5alphaH,7alphaH-eudesm-4-one (3). In addition, 1beta-hydroxy-alpha-xyperone (5) and 9beta-acetoxy-3-(2methylbutyroyloxy)-germacra-4,10(1)-diene-12,6alpha-olide (1a) exhibited effective antibacterial activity against Staphylococcus aureus.
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