Assignment of the NMR Parameters of the Branch-Point Trisaccharide of Ahylopectin Using 2-D NMR Spectroscopy at 500 MHz

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Abstract
The proton and carbon nuclear magnetic resonance spectroscopic data for methyl 4-O-α-d-glucopyranosyl-[6-O-a-u-glucopyranosyl]-β-d-glucopyranoside (1), a model for the branch-point trisacch-aride of amylopectin, have been analysed using 2-D-heteronuclear correlated spectroscopy. Similar data are presented for the related disaccharide structures methyl β-d-maltopyranoside and β-d-isomal topyranoside.