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Acta Cryst. (2013). E69, o1811
[ doi:10.1107/S1600536813031140 ]

(-)-Benzyl 2,3-dide­oxy-[beta]-D-erythro-hex-2-eno­pyran­oside

S. Ohba, H. Okazaki, Y. Ueda, K. Hanaya, M. Shoji and T. Sugai

Abstract: In the title compound, C13H16O4, the six-membered ring of the sugar moiety shows a half-chair conformation. In the crystal, mol­ecules are connected via O-H...O hydrogen bonds, forming columns around twofold screw axes along the b-axis direction. There is a disorder of the benz­yloxy group, which has two possible orientations with the phenyl group lying on a common plane [site-occupancy factors = 0.589 (9) and 0.411 (9)].


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