Abstract
A theoretical study is presented of the dependence on conformation of 1 J C,H and 3 J C,H values in model compounds related to glycosides. Calculated J values for dimethoxymethane and 2-methoxytetrahydropyran are based on the FPT formulation in the semiempirical INDO method. The configuration at the anomeric carbon affects the 1 J C;H value, and the 1 J C,H and 3 J C,H values vary characteristically with dihedral angle about the carbonoxygen bond. The agreement of the calculated and experimental values is satisfactory, especially for the 3 J C,H values.
Published Version
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