Acta Cryst. (2013). C69, 647-650 [ doi:10.1107/S0108270113011852 ]
Abstract: (2S,3S)-2,6-Dimethylheptane-1,3-diol, C9H20O2, (I), was synthesized from the ketone (R)-4-benzyl-3-[(2R,3S)-3-hydroxy-2,6-dimethylheptanoyl]-1,3-oxazolidin-2-one, C19H27NO4, (II), containing C atoms of known chirality. In both structures, strong hydrogen bonds between the hydroxy groups form tape motifs. The contribution from weaker C-HO hydrogen bonds is much more evident in the structure of (II), which furthermore contains an example of a direct short Osp3Csp2 contact that represents a usually unrecognized type of intermolecular interaction.
Formula: C9H20O2 and C19H27NO4
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