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...
Isorhamnetin
Antiulcerogenic Activity of Alhagi maurorum
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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
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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
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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 ...
