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. 2011 Jan 15;67(Pt 2):o387.
doi: 10.1107/S1600536810053973.

1-Dibenzylamino-1-de-oxy-4,5-O-isopropyl-idene-β-d-fructopyran-ose

Shiyong Huo  1 , Yueqing Li, Chaoyan Liang, Jihong Liu, Weijie Zhao
Affiliations

1-Dibenzylamino-1-de-oxy-4,5-O-isopropyl-idene-β-d-fructopyran-ose

Shiyong Huo et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The title compound C(23)H(29)NO(5), synthesized by the Amadori rearrangement of α-d-glucose with dibenzyl-amine and the ketalization, is shown to be a β-anomer. The fructopyran-ose ring adopts a chair conformation. The two benzene rings form a dihedral angle of 68.9 (1)°. In the crystal, non-classical inter-molecular C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network.

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Figures

Fig. 1.
Fig. 1.
The synthesis path of title compound.
Fig. 2.
Fig. 2.
The molecular structure of the title compound with the atom numbering scheme. Displacement ellipsoids are drawn at 30% probability level. H atoms are presented as a small spheres of arbitrary radius.
Fig. 3.
Fig. 3.
A view of the packing of title compound. Dashed lines indicate non–classical C—H···O hydrogen bonds.
Fig. 4.
Fig. 4.
The structure of title compound, with atoms labeling corresponding to the characterization by NMR.
See this image and copyright information in PMC

References

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