KMID : 0620719980040040215
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Natural Product Sciences 1998 Volume.4 No. 4 p.215 ~ p.220
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Sulphated Flavonols og rhe Flowers of Tamarix amplexicaulis
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Souleman, Ahmed M. A.
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Abstract
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A new flavonol 3,5-di-O-KSO©ý : kaempferol 7,4¢¥-dimethyl ether 3,5-O-KSO©ý, was isolated and identified from the flowers of Tamarix amplexicaulis. The known compounds quercetin 3-mono-O-KSO©ý, kaempferol 4¢¥-methyl ether 3-mono-OKSO©ý, kaempferol 7,4¢¥-dimethyl ether 3-O-KSO©ý, quercetin 7,4¢¥-dimethyl ether 3-mono-D-KSO©ý, kaempferol 3-O-glueuronide and quercetin 3-O-glucuronide were also separated and identified. Structures were established by conventional methods, including electrophoretic analysis, and confirmed by negative FAB-MS, ©öH- and ^(13)C-NMR.
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KEYWORD
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