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The microbiological transformation of two 15beta-hydroxy-ent-kaurene diterpenes by Gibberella fujikuroi.
TLDR
Results indicated that a 3-oxo group in ent-kaur-16-ene derivatives inhibits the oxidation at C-19, typical of the biosynthetic pathway of gibberellins and kaurenolides, while a 2,3-double bond or a 15beta-OH does not.
On the Ent -Kaurene Diterpenes from Sideritis Athoa
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).
Chemical ecology of canarian laurel forest: Toxic diterpenes fromPersea indica (Lauraceae)
TLDR
It is found that an ethanolic extract of P. indica and its water fraction were toxic when injected into laboratory mice and died after ingestion of the stems and showed a significant preference for those extracted and rehydrated with an 8% aqueous extract solution when compared with the water control.
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