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Studies on flavonoids of Oxytropis falcata

Studies on flavonoids of Oxytropis falcata

Zhongguo Zhong Yao Za Zhi 32(4): 318-320

To investigate the flavonoids of Oxytropisfalcata. Compounds were isolated by column chromatography using silica gel, Sephadex LH -20 and ODS as the adsorbents. Their structures were elucidated by NMR and MS spectroscopic data. Eight compounds were isolated and elucidated as 2', 4'-dihydroxy-4-methoxy chalcone (1), 2', 4'-dihydroxy chalcone (2), 5,7-dihydroxy-4'-methoxy flavonol (3), 7-hydroxy-4'-methoxy flavanones (4), 3', 7-dihydroxy-2',4'-dimethoxy isoflavan (5), 2'-hydroxy-4'-methoxy chalcone (6), 2'-methoxy-4'-hydroxy chalcone (7), 2',4'-dihydroxy dihydrochalcone (8). All compounds were obtained from O. falcata for the first time.

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Accession: 055968042

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PMID: 17455467

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