Shiyong Huo, Yueqing Li, Chao Liang
Nov 6, 2010
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Journal
Acta Crystallographica Section E: Structure Reports Online
Abstract
The title compound, C19H26O8S, has been synthesized from 2,3:4,5-di-O-isopropylidene-β-d-fructopyranose. The absolute configuration of the fused ring is confirmed by anomalous dispersion effects in the diffraction measurement. The six-membered β-fructopyranose ring has a twist-boat conformation with the two five-membered rings trans to each other. In the crystal, intermolecular non-classical C—H⋯O hydrogen bonds link the molecules into a three-dimensional network.