A new flavonoid glycoside from Centaurea horrida.
A new natural compound, horridin (1), was isolated from the aerial parts of Centaurea horrida. Its structure as quercetin 3-O-alpha-L-rhamnopyranosyl-(1-->2)-alpha-L-rhamnopyranoside was determined by spectroscopic methods, including 2D NMR.
Flamini
G
G
Dipartimento di Chimica Bioorganica e Biofarmacia, Via Bonanno 33, 56126 Pisa, Italy. flamini@farm.unipi.it
Bulleri
C
C
Morelli
I
I
Manunta
A
A
D019659:Asteraceae / Q000737:chemistry*; D002240:Carbohydrate Sequence; D002855:Chromatography, Thin Layer; D005419:Flavonoids / Q000737:chemistry* / Q000302:isolation & purification; D006027:Glycosides / Q000737:chemistry* / Q000302:isolation & purification; D007558:Italy; D009682:Magnetic Resonance Spectroscopy; D008969:Molecular Sequence Data; D011794:Quercetin; D016339:Spectrometry, Mass, Fast Atom Bombardment; D013056:Spectrophotometry, Ultraviolet
D005419:Flavonoids; D006027:Glycosides; C411198:quercetin 3-O-rhamnopyranosyl-(1-2)-rhamnopyranoside; D011794:Quercetin