Diterpenes from Laennecia sophiifolia
From the aerial parts of Laennecia sophiifolia (Kunth) G.L. Nesom, a neo-clerodane and an acyclic furano diterpene were isolated, along with four known compounds, 2β-hydroxyhardwickiic acid, hawtriwaic acid, apigenin, and β-sitosterol. Their structures were established as 12-epi-bacchotricuneatin A and (2E,6E)-9-(3-furyl)-6-methyl-2-(4-methylpent-3-enyl)-nona-2,6-dienoic acid, by analysis of spectral evidence. The absolute structure of 12-epi-bacchotricuneatin A was determined by a circular dichroism spectral comparison with that of bacchotricuneatin A.
Main Authors: | , , , , , , |
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Other Authors: | |
Format: | artículo biblioteca |
Language: | English |
Published: |
Elsevier
2000-12-06
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Subjects: | Laennecia sophiifolia, Asteraceae, Asteroidae, 2-epi-Bacchotricuneatin A, (2E6E)-9-(3-furyl)-6-methyl-2-(4-methylpent-3-enyl)-nona-2,6-dienoic acid, |
Online Access: | http://hdl.handle.net/10261/212319 http://dx.doi.org/10.13039/501100002923 http://dx.doi.org/10.13039/100009571 |
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