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Rare, seven-membered cyclic ether labdane diterpenoid from Dodonaea polyandra.
MedLine Citation:
PMID:  22910374     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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.
Authors:
Bradley S Simpson; David J Claudie; Nick M Smith; Ross A McKinnon; Susan J Semple
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-18
Journal Detail:
Title:  Phytochemistry     Volume:  -     ISSN:  1873-3700     ISO Abbreviation:  Phytochemistry     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0151434     Medline TA:  Phytochemistry     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Sansom Institute for Health Research, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, South Australia 5000, Australia.
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