O‑Acylated Flavones in the Alpine Daisy Celmisia viscosa: Intraspecific Variation

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Title

O‑Acylated Flavones in the Alpine Daisy Celmisia viscosa: Intraspecific Variation

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Description

Flavonoids acylated on their core phenolic groups are rare. The Aotearoa New Zealand endemic alpine daisy Celmisia viscosa is widespread, but its flavonoids have not previously been identified. Leaf extracts yielded a series of 8-O-acylated flavones with combinations of 3-methylbutanoate, 2-methylbutanoate, and 2-methylpropanoate groups and one, two, or three O-methyls, all previously unreported. Regiochemistries of 8-(3″-methylbutanoyl)-5-hydroxy-6,7,4′-trimethoxyflavone (5) and 8-(2″-methyl...

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Date created

25 Jul, 2022

Creator

David Rubin / Catherine E. Sansom / Nigel T. Lucas / C. John McAdam / Jim Simpson / Janice M. Lord / Nigel B. Perry

URL

https://figshare.com/articles/dataset/_i_O_i_Acylated_Flavones_in_the_Alpine_Daisy_i_Celmisia_vis...

Related subjects

species also contained / showed intraspecific variation / methoxyflavone (< b / full geographic range / 4 ′- trihydroxy / core phenolic groups / trimethoxy 8 -< / dimethoxy 8 -< / >‑ acylated flavones / leaf extracts yielded / >- acylated flavones / celmisia viscosa / 8 -< / leaf extracts / viscosa / methylpropanoate groups / >- methyls / sticky leaved / ray crystallography / none detectable / lc analyses / high concentrations / four nonviscid / celmisa / alpine daisy / Biochemistry / Environmental Sciences not elsewhere classified / Ecology / Sociology / Biological Sciences not elsewhere classified / Cancer / Plant Biology

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