ent-Beyerane diterpenoids from the heartwood of Excoecaria parvifolia

Volume: 68, Issue: 4, Pages: 546 - 553
Published: Feb 1, 2007
Abstract
Chromatographic fractionations of the toluene extract of the heartwood of Excoecaria parvifolia collected in Australia resulted in the isolation of 12 beyerane diterpenes (1-12), and the triterpene, lupeol. Four of the isolated diterpenoids (5-7 and 12) have unusual structures: ent-3-oxa-beyer-15-en-2-one, (5); ent-15,16-epoxy-2-hydroxy-19-norbeyer-1,4-dien-3-one (6); methyl ent-2,4-seco-15,16-epoxy-4-oxo-3,19-dinorbeyer-15-en-2-oate (7); and...
Paper Details
Title
ent-Beyerane diterpenoids from the heartwood of Excoecaria parvifolia
Published Date
Feb 1, 2007
Volume
68
Issue
4
Pages
546 - 553
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