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1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3,4-tri-O-acetyl-?-d-xyloside.

ABSTRACT: The title compound, C(19)H(19)NO(10), was obtained from the reaction of ?-d-1-bromo-2,3,4-tri-O-acetylxylose with N-hy-droxy-phthalimide in the presence of potassium carbonate. The asymmetric unit contains two independent mol-ecules, in which the O-CH-O-N torsion angles are 73.0?(4) and 65.0?(4)°. The hexa-pyranosyl rings adopt chair conformations and the substituent groups are in equatorial positions. In the crystal, mol-ecules are linked by nonclassical C-H?O hydrogen bonds.

SUBMITTER: Tian R 

PROVIDER: S-EPMC3295429 | biostudies-literature | 2012 Mar

REPOSITORIES: biostudies-literature

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1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3,4-tri-O-acetyl-β-d-xyloside.

Tian Runan R   Haoriqinbatu   Liu Hongchang H   Wang Xiaoming X   Yang Yonghua Y  

Acta crystallographica. Section E, Structure reports online 20120210 Pt 3

The title compound, C(19)H(19)NO(10), was obtained from the reaction of α-d-1-bromo-2,3,4-tri-O-acetylxylose with N-hy-droxy-phthalimide in the presence of potassium carbonate. The asymmetric unit contains two independent mol-ecules, in which the O-CH-O-N torsion angles are 73.0 (4) and 65.0 (4)°. The hexa-pyranosyl rings adopt chair conformations and the substituent groups are in equatorial positions. In the crystal, mol-ecules are linked by nonclassical C-H⋯O hydrogen bonds. ...[more]

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