R factor = 0.031; wR factor = 0.072; data-to-parameter ratio = 10.4. The crystal structure of the title compound, C26H34B2O6, comprises two crystallographically independent molecules. In the crystal, the molecules are linked by multiple intermolecular O—H O and C—H O hydrogen bonds into a two-dimensional array. Related literature For the structural characterization of related monosaccharide boronates, see: Chandran & Nangia (2006); Draffin et al. (2004). For complexes of boronic acids with glucose, see: Hall (2005). Refinement R[F 2>2 (F 2)] = 0.031 wR(F 2) = 0.072 S = 0.99 6519 reflections 627 parameters Table 1 Hydrogen-bond geometry (A ˚ ,). 1 restraint H-atom parameters constrained max = 0.24 e A ˚ 3 min = 0.19 e A ˚
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