Studies on the Constituents of Hypericum Species. II. Megastigmane Glucosides from Hypericum erectum THUNB.

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  • オトギリソウ属植物の成分研究(第2報)オトギリソウのメガスティグマン配糖体について
  • オトギリソウゾク ショクブツ ノ セイブン ケンキュウ ダイ2ホウ オトギリソウ ノ メガスティグマンハイトウタイ ニ ツイテ

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Abstract

Two rare megastigmane glucosides, 3- and 9-O-β-D-glucopyranosides of (3S, 5R, 6R, 7E, 9S) -megastigman-7-ene-3, 5, 6, 9-tetrol (1 and 2), were isolated from Hypericum erectum THUNB. Their structures were established on the basis of chemical and spectral data. This is the first report of the isolation of each megastigmane derivative from Guttiferae plant.

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