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2,3:4,5-Di-O-isopropyl-idenefructos-1-yl p-toluene-sulfonate.

ABSTRACT: The title compound, C(19)H(26)O(8)S, has been synthesized from 2,3:4,5-di-O-isopropyl-idene-?-d-fructopyran-ose. The absolute configuration of the fused ring is confirmed by anomalous dispersion effects in the diffraction measurement. The six-membered ?-fructopyran-ose ring has a twist-boat conformation with the two five-membered rings trans to each other. In the crystal, inter-molecular non-classical C-H?O hydrogen bonds link the mol-ecules into a three-dimensional network.

SUBMITTER: Huo S 

PROVIDER: S-EPMC3011573 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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2,3:4,5-Di-O-isopropyl-idenefructos-1-yl p-toluene-sulfonate.

Huo Shiyong S   Li Yueqing Y   Liang Chaoyan C   Liu Jihong J   Zhao Weijie W  

Acta crystallographica. Section E, Structure reports online 20101106 Pt 12

The title compound, C(19)H(26)O(8)S, has been synthesized from 2,3:4,5-di-O-isopropyl-idene-β-d-fructopyran-ose. The absolute configuration of the fused ring is confirmed by anomalous dispersion effects in the diffraction measurement. The six-membered β-fructopyran-ose ring has a twist-boat conformation with the two five-membered rings trans to each other. In the crystal, inter-molecular non-classical C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network. ...[more]

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