Flavonoids from Astragalus hamosus.
A new flavonol glycoside 7-O-methyl-kaempferol 4'-beta-D-galactopyranoside (rhamnocitrin 4'-beta-D-galactopyranoside) (1) was isolated from the aerial parts of Astragalus hamosus. The known flavonols hyperoside (2), isoquercitrin (3) and astragalin (4) were also identified. Structures of the compounds were elucidated by chemical and spectral methods.
Krasteva
Ilina
I
Faculty of Pharmacy, Department of Pharmacognosy, Sofia, Bulgaria. ikrasteva@pharmfac.acad.bg
Platikanov
Stefan
S
Nikolov
Stefan
S
Kaloga
Maki
M
D027883:Astragalus Plant / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D005960:Glucosides / Q000737:chemistry / Q000302:isolation & purification; D044949:Kaempferols / Q000737:chemistry / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D011794:Quercetin / Q000031:analogs & derivatives / Q000737:chemistry / Q000302:isolation & purification
D005419:Flavonoids; D005960:Glucosides; D044949:Kaempferols; C016527:isoquercitrin; C021304:hyperoside; D011794:Quercetin; C001579:astragalin