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期 刊 ：中国中药杂志 2008年 33卷 12期 页码：1418.

关键词：镰形棘豆；棘豆属；化学成分；

Keywords:Oxytropis falcate, chemical constituents,

摘 要 ：目的：研究镰形棘豆的化学成分。方法：90%乙醇冷浸提取，所得浸膏经柱色谱分离，通过波谱学方法鉴定化合物的结构。结果：分离鉴定了14个化合物，分别鉴定为：(-)-7-甲氧基-二氢黄酮［(-)-7-methoxy-dihydroflavone，1］，(-)-5-羟基-7-甲氧基-二氢黄酮［(-)-5-hydroxy-7-methyoxy-dihydroflavone，2］，(-)-pinocembrin(3)，(-)-7-羟基-二氢黄酮［(-)-7-hydroxy-dihydroflavone，4］，4′-甲氧基-2′-羟基-查耳酮(4′-methoxy-2′-hydroxy-chalcone，5)，2′ ,4′-二羟基-二氢查耳酮(2′,4′-dihydroxy-dihydrochalcone，6)，2′，4′ -二羟基查耳酮(2′,4′-dihydroxy-chalcone，7)，(-)-maackiain(8)，tetrahydroflemichapparin-B(9)，dalbergin(10)，N-苯甲酰基-2-苯基乙胺(N-benzoyl-2-phenylethylamine，11)，rhamnocitrin-3-O-β-neohesperidoside(12)。结论：所有化合物均为首次从该植物中分得。

Abstract:Objective: To study the chemical constituents of Oxytropis falcate. Method: The air-dried whole plants of O. falcate were extracted with EtOH (90%) three times at room temperature. The compounds were isolated by silica-gel, polyamide, C-18 and Sphadex LH-20 columns. The structures were identified based on spectral elucidation. Result: Fourteen compounds were isolated from O. falcate and identified as, (-)-7-methoxy-dihydroflavone (1), (-)-5-hydroxy-7-methyoxy-dihydroflavone (2), (-)-pinocembrin (3), (-)-7-hydroxy-dihydroflavone (4), 4′-methoxy-2′-hydroxy-chalcone (5), 2′, 4′-dihydroxy-dihydrochalcone (6), 2′,4′-dihydroxy-chalcone (7), (-)-maackiain (8), tetrahydroflemichapparin-B (9), dalbergin (10), N-benzoyl-2-phenylethylamine (11), n-tetracosanol (12), rhamnocitrin-3-O-β-neohesperidoside (13), β-sitosterol (14). Conclusion: All the compounds were isolated from O. falcate for the first time.

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