Rare, seven-membered cyclic ether labdane diterpenoid from Dodonaea polyandra.

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ID: 281727
2012
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Abstract
Previous phytochemical studies on the leaf resin of dioecious plant species Dodonaea polyandra have identified the presence of furanoclerodane diterpenoids. As part of ongoing research on this species the chemical profile of an individual plant displaying male flowers was investigated. Repeated chromatographic separation of a resinous extract from the leaves of the plant yielded three labdane diterpenoids, 13,17-epoxy-13-methyl-15-oxo-labda-7-ene (1), 17-hydroxy-13-methyl-labda-7,13Z-diene-15-oic acid (2) and 13-methyl-17-oxo-labda-7,13Z-diene-15-oic acid (3) and a fourth known labdane diterpenoid (4) reported as being isolated from a natural source for the first time. Structural elucidation was carried out using conventional 1D and 2D NMR and mass spectrometry together with other complementary techniques (UV and IR). The leaf extract from this individual of D. polyandra with male flowers present displays a marked difference in the chemical composition of diterpenoids compared to previously studied extracts from the leaves of this species.
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simpson2012rare Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Simpson, Bradley S; Claudie, David J; Smith, Nick M; McKinnon, Ross A; Semple, Susan J
Journal Phytochemistry
Year 2012
DOI
10.1016/j.phytochem.2012.07.016
URL
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