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Phlomisflavosides A and B, new flavonol bisglycosides from Phlomis spinidens
1Faculty of Integrated Arts and Sciences, The University of Tokushima, Japan. takeda@ias.tokushima-u.ac.jp
Chemical & Pharmaceutical Bulletin
|August 23, 2001
Abstract:
From the aerial parts of Phlomis spinidens, two new flavonol bisglycosides, phlomisflavosides A (1) and B (2), were isolated together with the known compounds, astragalin, isoquercitrin, lamiridoside, phlomoside A, shanzhiside methyl ester, 8-O-acetylshanzhiside methyl ester, phlorigidoside C, rodioloside (=salidroside), forsythoside B, citroside A and lariciresinol-4'-O-beta-D-glucoside. The structures of the new compounds were elucidated based on spectral and chemical evidence.