New Quassinoids from the Roots of Eurycoma longifolia
- 1 May 1990
- journal article
- research article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 19 (5) , 749-752
- https://doi.org/10.1246/cl.1990.749
Abstract
A new C19-skeleton quassinoid, named longilactone and three new quassinoids, 13,21-dihydroeurycomanone, 13β,21-dihydroxyeurycomanone and 14,15β-dihydroxyklaineanone were isolated from the roots of Eurycoma longifolia and their structures were established by the spectral evidences.Keywords
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