Abstract
Two flavonol glycosides, I and IIf, were isolated from the fresh leaves of Saxifraga stolonifera MEERBURG (Saxifragaceae). I is a new flavonol glucoside, C21H20O12·H2O, mp 264°, and was named saxifragin. The structure of saxifragin (I) has been determined as quercetin-5-β-D-glucoside by chemical and spectral means. II, pale yellow needles, mp 186-190°, was identified as quercitrin by direct comparison with an authentic sample.
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