Two new flavonoid alkaloids from Senecio argunensis


Two new flavonoid alkaloids, 8-(2''-pyrrolidinone-5''-yl)-quercetin (1) and 8-(2''-pyrrolidinone-5''-yl)-isorhamnetin (2), were isolated from the herb of Senecio argunensis. Their structures were...

Antiulcerogenic Activity of Alhagi maurorum


Six main flavonoid glycosides were isolated, for the first time, from the ethanol extract of Alhagi maurorum Boiss (Leguminosae). They were identified as kaempferol, chrysoeriol, isorhamnetin, ch...

Three novel compounds from the leaves of Smallanthus sonchifolius


Three novel compounds, together with five known ingredients, octacosanol, 3',4',5-trihydroxy-3,7-dimethoxyflavone, 3,4-dihydroxybenzaldehyde, isorhamnetin, and ent-kaurane-3?,16?,17-triol, were o...

Two new steroidal saponins from Tribulus terrestris


Two new steroidal saponins and two known flavonoid glycosides were isolated from the fruits of Tribulus terrestris. Their structures were assigned by spectroscopic analysis and chemical reaction ...

Syndicate content