Flavonoid Constituents from Spiranthes australis LINDL

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概要

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• Chemical investigation of the whole plant of Spiranthes australis (R. BROWN) LINDL. resulted in the isolation and characterization of three new flavonoid constituents, 5-hydroxy-4'-[(2-isopentenyl) oxy]-3,7,3'-trimethoxy-flavone (1),3-O-{[O-β-D-xylopyranosyl]-(1→2)-β-D-glucopyranosyl}-8-(p-hydroxy-benzyl)-kaempfrol (2) and 3-O-{O-[2-O-(E)-p-coumaroyl-β-D-xylopyranosyl]-(1→2)-β-D-glucopyranosyl}-8-(p-hydroxy-benzyl)-kaempferol (3), together with six known flavonoid compounds. The structures of new compounds were determined on the basis of spectroscopic analysis, including HR-ESI-MS, 1D-and 2D-NMR techniques and chemical methods.

• 公益社団法人日本薬学会の論文
• 2008-11-01

著者

• Chen Guang

  College of Basic Medical Sciences, Jamusi University

• Dong Mei-ling

  School Of Chemical Engineering And Environment Beijing Institute Of Technology

• Zhou Zhi-ming

  School Of Chemical Engineering And Environment Beijing Institute Of Technology

• Chen Guang

  College Of Life Science And Technology Beijing University Of Chemical Technology

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• Flavonoid Constituents from Spiranthes australis LINDL

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