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J Asian Nat Prod Res. 2013 Nov;15(11):1163-7. doi: 10.1080/10286020.2013.826204. Epub 2013 Aug 14.

Two new C-methyl flavanones from the rhizomes and frond bases of Matteuccia struthiopteris.

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1
a Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences , Beijing , 100700 , China.

Abstract

Two new C-methyl flavanones, (2S)-5,7-dihydroxy-6,8-dimethyl-4'-methoxydihydroflavone-7-O-(6″-O-acetyl)-β-d-glucopyranoside (1) and (2S)-5,7-dihydroxy-6,8-dimethyldihydroflavone-7-O-(6″-O-acetyl)-β-d-glucopyranoside (2), together with five known compounds, demethoxymatteucinol-7-O-β-d-glucopyranoside (3), matteucinol-7-O-β-d-glucopyranoside (4), 5,7-dihydroxy-6-methyl-4'-methoxydihydroflavone (5), methoxymatteucin (6), and thunberginol C (7), were first isolated from the EtOH extract of the rhizomes and frond bases of Matteuccia struthiopteris. The structures were established by spectral analyses, mainly HR-ESI-MS and 1D and 2D NMR experiments (COSY, HSQC, and HMBC).

PMID:
23944953
DOI:
10.1080/10286020.2013.826204
[Indexed for MEDLINE]
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