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Flavonol glycosides from the flowers of Aconitum paniculatum
1Dipartimento di Chimica Bioorganica e Biofarmacia, Università di Pisa, Via Bonanno, 33, 56126 Pisa, Italy. fico@farm.unipi.it
Journal of Natural Products
|November 23, 2000
Abstract:
Three new acetylated flavonol glycosides-kaempferol 3-O-beta-(2' '-acetyl)galactopyranoside (1), kaempferol 3-O-beta-(2' '-acetyl)galactopyranoside-7-O-alpha-arabinopyranoside (2), and quercetin 3-O-beta-(2' '-acetyl)galactopyranoside-7-O-alpha-arabinopyranoside (3)-were isolated from the flowers of Aconitum paniculatum. Their structures were elucidated by 1D and 2D NMR studies ((1)H-(1)H COSY, HSQC, HMBC) as well as by HPLC-MS.