D:A-Friedo-Oleanane Triterpenes from the Stem Bark of Phyllobotryon spathulatum

S. Gibbons, A.I. Gray, D.C.R. Hockless, C. Lavaud, J. Nuzillard, G. Massiot, P.G. Waterman, Allan White

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9 Citations (Scopus)

Abstract

Three D:A friedo-oleanane triterpenes have been isolated from the bark of Phyllobotryon spathulatum. They were characterized by the use of Heteronuclear Multiple Bond Coherence NMR spectroscopy as the known compound odolactone (3-oxo-D:A-friedo-oleanan-27,15alpha- lactone), and two novel friedo-oleananes, 3beta-hydroxy-D:A-friedo-oleanan-27,29-dioic acid (structure confirmed by X-ray analysis of the dimethyl ester) and methyl-3-oxo-19beta,21beta-dihydroxy-30-nor-D:A-friedo-olean-20(29)-en-27-carboxylate.
Original languageEnglish
Pages (from-to)273-277
JournalPhytochemistry
Volume34
Issue number1
DOIs
Publication statusPublished - 1993

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