On the Ent -Kaurene Diterpenes from Sideritis Athoa

@article{Fraga2003OnTE,
  title={On the Ent -Kaurene Diterpenes from Sideritis Athoa},
  author={Braulio M. Fraga and Melchor G. Hern{\'a}ndez and Carmen Elisa D{\'i}az},
  journal={Natural Product Research},
  year={2003},
  volume={17},
  pages={141 - 144}
}
The structure of a diterpene, which has been isolated form Sideritis athoa , has been corrected from 3 g ,18-dihydroxy- ent -kaur-16-ene to 1 f ,18-dihydroxy- ent -kaur-16-ene (canadiol). 
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References

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Ent-Kaurene Diterpenes from Sideritis Athoa
Abstract Two new and six known ent-kaurene diterpenes were isolated from the whole plant of Sideritis athoa and their structures were elucidated as ent-3α, 18-dihydroxykaur-16-ene (1), athonolone
1-Hydroxyditerpenes from Two New Zealand Liverworts, Paraschistochila pinnatifolia and Trichocolea mollissima
The isolation of two new 1-hydroxyditerpenoids from two species of New Zealand liverwort is described. ent-1α-Hydroxykauran-12-one (1) was obtained from Paraschistochila pinnatifolia and
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