Column chromatography on silica gel of a petroleum ether extract of the flowering heads of
Achillea millefolium L. allowed three flavones to be separated and identified. Spectral …

Three tigliane-type diterpenoids, langduin A, 12-deoxyphorbol-13-hexadecanoate and
prostratin, were isolated from the roots of Euphorbia fischeriana. The first two are new …

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The 6-methoxyflavones hispidulin and eupafolin have been identified for the first time from
the aerial parts of Eupatorium cannabinum L. The presence of the previously known flavonol …

Abstract The biflavones 7, 7"-dimethyllanaraflavone (1), agathisflavone (2), and 7"-
methylagathisflavone (3) isolated from the leaves of Ouratea hexasperma and …

Six flavonoid glycosides (1–6), together with three known compounds (7–9), were isolated
from the 70% ethanol extract of Euonymus fortunei and identified on the basis of nuclear …

A new labdane diterpenoid,(E)-labda-8 (17), 12-dien-15, 16-olide (1) together with eight
known compounds, coronarin D (2), coronarin D methyl ether (3), coronarin D ethyl ether (4) …

Phytochemical studies on Euclea divinorum have resulted in the isolation of lupeol, lupene,
betulin, 7-methyljuglone, isodiospyrin, shinalone, catechin and 3β-(5-hydroxyferuloyl) lup-20 …

Extraction and isolation of the flavonoids. 3—Coarsely ground leaves (500 g) were extracted
with ethanol in a Soxhlet and concentrated in vacuo to 200 ml. Theconcentrate was …

Four limonoids have been isolated from the unripe fruits of Evodia rutaecarpa (Juss.) Benth.,
one of which is a new compound (1), identified as 23-oxo-21ξ-hydroxy-21, 23-dihydroevodol …