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1,2:1',2'-Di-O-iso-propyl-idenedi-furan-ose-C12 higher carbon sugar.


ABSTRACT: In the title compound, C18H28O8, the five-membered ring with one O atom attached to the ethyl substituent has a twisted conformation about the C-O bond. The adjacent cis-fused ring with two O atoms also has a twisted conformation about one of the C-O bonds. The dihedral angle between these rings (all atoms) is 59.05?(12)°. The five-membered ring linked to the ethynyl susbtituent is twisted about a C-C bond; the cis-fused adjacent ring is twisted about a C-O bond [dihedral angle between the rings (all atoms) = 71.78?(12)°]. Two intra-molecular O-H?O hydrogen bonds occur. In the crystal, mol-ecules are linked by O-H?O hydrogen bonds, generating [001] chains.

SUBMITTER: Zhang Q 

PROVIDER: S-EPMC3884459 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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1,2:1',2'-Di-O-iso-propyl-idenedi-furan-ose-C12 higher carbon sugar.

Zhang Qiurong Q   Zhou Guangqiang G   He Peng P   Chen Xuebin X   Liu Hongmin H  

Acta crystallographica. Section E, Structure reports online 20130810 Pt 9


In the title compound, C18H28O8, the five-membered ring with one O atom attached to the ethyl substituent has a twisted conformation about the C-O bond. The adjacent cis-fused ring with two O atoms also has a twisted conformation about one of the C-O bonds. The dihedral angle between these rings (all atoms) is 59.05 (12)°. The five-membered ring linked to the ethynyl susbtituent is twisted about a C-C bond; the cis-fused adjacent ring is twisted about a C-O bond [dihedral angle between the rings  ...[more]

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