[Studies on chemical constituents of Astragalus dahuricus].
OBJECTIVE
To study the chemical constituents in Astragalus dahuricus.


METHODS
The compounds were isolated and purified by column chromatography on silica gel and HPLC, and their structures were elucidated by their spectroscopic evidences.


RESULTS
Six compounds were identified as: 7, 2'-dihydroxy-3', 4'-dimethoxyisoflavan (1), 2'-hydroxy-3', 4'-dimethoxyisoflavan-7-O-beta-D-glucopyranoside (2), 8, 2'-dihydroxy-7, 4'-dimethoxyisoflavan (3), 7-hydroxy-4'-methoxyisoflavone (4), 7, 3'-dihydroxy-4'-metho-xyisoflavone (5), 9, 10-dimethoxypterocarpan-3-O-beta-D-glucopyranoside (6).


CONCLUSIONS
Compounds 1-6 were obtained from this plant for the first time.
Wang
Jin-Lan
JL
College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, China.
Xu
Hong-Mei
HM
Li
Wei-Hong
WH
Hua
Zhun
Z
Zhang
Shu-Jun
SJ
D027883:Astragalus Plant / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid; D007529:Isoflavones / Q000737:chemistry / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy
D007529:Isoflavones