Flavone and flavonol glycosides from Astragalus eremophilus and Astragalus vogelii.
Two new rhamnocitrin glycosides (1 and 2) were isolated from the aerial parts of Astragalus vogelii, along with one known rhamnocitrin glycoside (3). Two known flavonol glycosides (4 and 5) and four known flavone derivatives (6-9) were isolated from the aerial parts of Astragalus eremophilus. Their structures were elucidated by extensive spectroscopic methods including 1D- (1H, 13C and TOCSY) and 2D-NMR (DQF-COSY, HSQC, HMBC) experiments, as well as ESIMS analysis.
Perrone
Angela
A
Dipartimento di Scienze Farmaceutiche, Università degli Studi di Salerno, via Ponte don Melillo, 84084 Fisciano, SA, Italy.
Masullo
Milena
M
Plaza
Alberto
A
Hamed
Arafa
A
Piacente
Sonia
S
D027883:Astragalus Plant / Q000737:chemistry*; D047309:Flavones / Q000737:chemistry*; D044948:Flavonols / Q000737:chemistry*; D006027:Glycosides / Q000737:chemistry*; D035261:Plant Components, Aerial / Q000737:chemistry
D047309:Flavones; D044948:Flavonols; D006027:Glycosides