Formation of 2,3-seco-acids in the biotransformation of the diterpene ribenone by Gibberella fujikuroi

@article{Fraga1999FormationO2,
  title={Formation of 2,3-seco-acids in the biotransformation of the diterpene ribenone by Gibberella fujikuroi},
  author={Braulio M. Fraga and Pedro Gonz{\'a}lez and Melchor G. Hern{\'a}ndez and Sergio Su{\'a}rez},
  journal={Tetrahedron},
  year={1999},
  volume={55},
  pages={1781-1792}
}
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Three new diterpenes, excoecarins A (2), B (3) and C (4) have been isolated from the wood of Excoecaria agallocha LINN. The structures of excoecarins A, B and C were established as (13R, 14R)-ent-8α,
The formation of an ent-11a,16a-epoxykaurane of biosynthetic significance by Gibberella fujikuroi
We thank the DGICYT, Ministry of Education and Science, Spain for financial support (PB92-0118).
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TLDR
Evidence shows that an enzymic reaction resulting in the production of (-)-kaurene in a flowering plant system is inhibited in the presence of Amo 1618 or certain other plant growth retardants, which strongly supports the idea that (-)kauren19-ol is an intermediate in gibberellin biosynthesis.
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