Three new flavonol malonylrhamnosides from Ribes alpinum. |
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| Authors: | K Gluchoff-Fiasson B Fenet J C Leclerc J Reynaud M Lussignol M Jay |
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| Institution: | Laboratoire de Biologie Macromoléculaire et Phytochimie, UFR de Biologie, Université Lyon 1, Villeurbanne, France. phytochi@biomserv.univ-lyon1.fr |
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| Abstract: | Three new flavonol malonylrhamnosides, 3-O-(4"-O-malonyl)-alpha-L-rhamnopyranosides of mearnsetin, myricetin and quercetin respectively, together with the corresponding mearnsitrin, myricitrin, quercitrin and the 4-O-methyl phloracetophenone 2-O-beta-D-glucopyranoside, were isolated from the leaves of Ribes alpinum and fully characterized by spectrocopic methods including 2D NMR. |
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