3,6-Anhydrogalactose 4 Carbohydrate Conformation 4 Galactose 4 Glycosides 4 Molecular mechanics 4 Puckering 4 article 4 priority journal 4 quantum mechanics 4 solvent 4 3,6 anhydro 4 O methyl alpha dextro galactoside 2 3,6 anhydro 4 O methylgalactitol 2 Adiabatic maps 2 Anhydro sugars 2 Computer Simulation 2 Conformations 2 Crystallography, X-Ray 2 DFT 2 Disaccharides 2 Energy differences 2 Five-membered ring 2 Galactitol 2 Glycols 2 MM3 2 Magnetic Resonance Spectroscopy 2 Maps 2 Modeling 2 Models, Chemical 2 Molecular Conformation 2 Molecular Structure 2