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[Studies on chemical constituents of Arachniodes rhomboidea].

Wei Fang, Jinlan Ruan, Wang Zhong, Yaling Cai

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Abstract

OBJECTIVE: To study chemical constituents of Arachniodes rhomboidea. METHOD: Silica gel column chromatography and Sephadex LH -20 gel column chromatography were employed for the isolation and purification. The structures were identified on the basis of spectral data and chemical methods. RESULT: Six compounds were isolated and identified as follows: kaempferol (1), kaempferol-3-O-alpha-L-rhamnoside (2), kaempferol-3-O-beta-D-glucoside (3), kaempferol-3, 7-O-alpha-L-dirhamnoside (4), quercetin-3-O-beta-D-glucoside (5), kaempferol-3-O-beta-D-rutinoside (6). CONCLUSION: Compouds 1-6 were isolated from this plant for the first time.

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What this paper is about

OBJECTIVE: To study chemical constituents of Arachniodes rhomboidea. METHOD: Silica gel column chromatography and Sephadex LH -20 gel column chromatography were employed for the isolation and purification. The structures were identified on the basis of spectral data and chemical methods. RESULT: Six compounds were isolated and identified as follows: kaempferol (1), kaempferol-3-O-alpha-L-rhamnoside (2), kaempferol-3-O-beta-D-glucoside (3), kaempferol-3, 7-O-alpha-L-dirhamnoside (4), quercetin-3-O-beta-D-glucoside (5), kaempferol-3-O-beta-D-rutinoside (6). CONCLUSION: Compouds 1-6 were isolated from this plant for the first time.

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Available abstract

OBJECTIVE: To study chemical constituents of Arachniodes rhomboidea. METHOD: Silica gel column chromatography and Sephadex LH -20 gel column chromatography were employed for the isolation and purification. The structures were identified on the basis of spectral data and chemical methods. RESULT: Six compounds were isolated and identified as follows: kaempferol (1), kaempferol-3-O-alpha-L-rhamnoside (2), kaempferol-3-O-beta-D-glucoside (3), kaempferol-3, 7-O-alpha-L-dirhamnoside (4), quercetin-3-O-beta-D-glucoside (5), kaempferol-3-O-beta-D-rutinoside (6). CONCLUSION: Compouds 1-6 were isolated from this plant for the first time.

Key concepts: Kaempferol, Sephadex, Silica gel, Chemistry, Chromatography, Column chromatography, Chemical constituents, Quercetin

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