Abstract
Structure of the hyperbranched polyester of the polyol BOLTORN H20-OH was studied by one- and two-dimensional 1H and 13C NMR spectroscopy in combination with the IR spectroscopy and semiempirical quantum-chemical calculations (method AM1). The polyol structure was shown not to be stereoregular. Three basic types of H-bonding interactions of intra- or intermolecular nature were revealed: C=O...HO, OH...OH, and C=O...HO...HO.
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