Carbohydrate research

Different rotamer populations around the C-5 C-6 bond for α-and β-d-galactopyranosides through the combined interaction of the gauche and anomeric effects: A …

NK de Vries, HM Buck

Index: Vries de, Nanne K.; Buck, Henk M. Carbohydrate Research, 1987 , vol. 165, p. 1 - 16

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Citation Number: 42

Abstract

Abstract A 300-MHz 1 Hn. mr study of methyl 2, 3, 4-tri-O-methyl-ga-(1) and β-d- galactopyranoside-6-(dimethyl phosphate)(3), using various solvents, shows that the gauche (gg) rotamer populations about the C-5 C-6 bond are are the same in all solvents, whereas those of the gauche (trans)(gt) and trans (gauche)(tg, O-5 and O-6 trans) rotamers are solvent dependent. The tg population increases with decreasing polarity of the solvent ...