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Phenolic and phenylethanoidal glycosides from branch of Fraxinus sieboldiana / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 992-996, 2010.
Article in Chinese | WPRIM | ID: wpr-281672
ABSTRACT
<p><b>OBJECTIVE</b>To investigate chemical constituents from an ethanolic extract of the branch of Fraxinus sieboldiana (Oleaceaue)</p><p><b>METHOD</b>The constituents were isolated and purified by a combination of various chromatographic techniques including silica gel, macroporous adsorbent resin, Sephadex LH-20, and preparative HPLC. Structures of the isolates were elucidated by spectroscopic methods including 1D and 2D NMR and MS techniques.</p><p><b>RESULT</b>Four phenolic and twelve phenylethanoidal glycosides were obtained and their structures were identified as 2,6-dimethoxy-p-hydroquinone-4-O-beta-D-glucopyranoside (1), 2,6-dimethoxy-p-hydroquinone-1-O-beta-D-glucopyranoside (2), 4-hydroxy-3-methoxyphenyl beta-D-glucopyranoside (3), 4-hydroxy-3-methoxyphenyl beta-D-xylopyranosyl (1-->6)-O-beta-D-glucopyranoside (4), osmanthuside H (5), 2-(4-hydroxyphenyl) ethyl beta-D-glucopyranoside (6), 2-(3, 4-dihydroxyphenyl) ethyl beta-D-glucopyranoside (7), 2-hydroxy-4-(2-hydroxyethyl)-phenyl beta-D-glucopyranoside (8), 4-(2-hydroxyethyl)-2-methoxyphenyl beta-D-glucopyranoside (9), calceolarioside B (10), calceolarioside A (11), ferruginoside A (12), isolugrandoside (13), acteoside (14), chiritotoside C (15), and plantasisoside (16).</p><p><b>CONCLUSION</b>Compounds 1-4,9,12, 13 and 16 were obtained from the genus Fraxinus for the first time.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Chemistry / Plant Stems / Phenol / Fraxinus / Ethanol / Glycosides Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Chemistry / Plant Stems / Phenol / Fraxinus / Ethanol / Glycosides Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2010 Type: Article