## Abstract The photosensitized oxygenation of the β,γ‐unsaturated ketonic sesquiterpene, davanone, is described. Treatment of davanone epoxide with an acid ion exchange resin yields a stereoisomeric mixture of the davana ethers, sesquiterpenoids containing two reduced furan rings.
Sesquiterpene ketones related to davanone from Artemisia pallens
✍ Scribed by César A.N. Catalán; Maria del R. Cuenca; James Verghese; M.T. Joy; Alicia B. Gutiérrez; Werner Herz
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 206 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0031-9422
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## Abstract The novel nor‐sesquiterpenoids, the davanafurans, have been isolated from the oil of __Artemisia pallens__, the principal component being the __cis__, __threo__‐isomer (**1a**). The absolute configuration of this isomer, and the relative stereochemistry of the other isomers, have been e
Bioactive Constituents of Chinese Natural Medicines. Part 1. New Sesquiterpene Ketones with Vasorelaxant Effect from Chinese Moxa, the Processed Leaves of Artemisia argyi Levl. et Vant.: Moxartenone and Moxartenolide. -The title compound (II) shows inhibitory activity on the contraction in isolated