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Duarte, N. et al.

Lagaspholones A and B: Two New Jatropholane-Type Diterpenes from Euphorbia lagascae.

Two new diterpenes, lagaspholones A (1) and B (2), have been isolated from the methanolic extract of Euphorbia lagascae, along with the known compounds (+)-dehydrovomifoliol, scopoletin, dehydrodiconiferyl diacetate, 3-indolcarbaldehyde, and 4-hydroxy-3,5-dimethoxybenzaldehyde. Their structures were elucidated by spectroscopic methods. Compounds 1 and 2 contain the rare jatropholane-type skeleton, characterized by a 5:6:7:3 fused ring system. A possible biosynthetic pathway for lagaspholones is proposed.[1]

References

Lagaspholones A and B: Two New Jatropholane-Type Diterpenes from Euphorbia lagascae. Duarte, N., Ferreira, M.J. Org. Lett. (2007) [Pubmed]

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