Yao xue xue bao = Acta pharmaceutica Sinica 2010-09-01

A new chromone derivative from Berchemia lineata.

Yu-xia Shen, Hong-li Teng, Guang-zhong Yang, Zhi-nan Mei, Xiao-long Chen

Index: Yao Xue Xue Bao 45(9) , 1139-43, (2010)

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Abstract

To study the chemical constituents from the root of Berchemia lineata (L.) DC., nine compounds were isolated from the EtOAc extract by using silica gel, RP-C18 silica gel column chromatography and preparative HPLC. Based on the spectroscopic analysis, their structures were identified as 5-hydroxy-7-(2'-hydroxypropyl)-2-methyl-chromone (1), (-)-(1'R, 2'S)-erythro-5-hydroxy-7-(1', 2'-dihydroxypropyl)-2-methyl-chromone (2), naringenin (3), eriodictyol (4), (+)-aromadendrin (5), (+)-taxifolin (6), (+)-catechin (7), (+)-epigallocatechin (8) and quercetin (9). Among them, compound 2 is a new chromone derivative. Compound 1 is a known chromone derivative and isolated from this genus for the first time. Compounds 3-9 are known flavonoids and isolated from this plant for the first time.

Related Compounds

  • Eriodictyol
  • Aromadendrin

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