http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Constitutive flavonoids of the flowers of Tamarix tetragyna
Amani M. D. ElMousallamy,Sayed A. Ahmed 한국생약학회 2000 Natural Product Sciences Vol.6 No.2
A phytochemical investigation of the aqueous ethanolic flower extract of Tamarix tetragyna led to the isolation and characterization of the hitherto unknown conjugates, kaempheride 3,7-dipotassium sulphate and kaempferol 3,4`-dipotassium sulphate as well. Twelve known flavonol compounds, including kaempheride 3-potassium sulphate and kaempheride 3-O-β-glucuronide were also isolated and identified. ¹H- and <sup>13</sup>C-NMR spectra for the known kaempheride derivatives have been recorded and assigned for the first time. Structures of all compounds were established by conventional methods of analysis and confirmed by ¹H-, <sup>13</sup>C-NMR and mass spectral analysis.