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2-Acetyl-amino-1,3,4,6-tetra-O-(tri-methyl-silyl)-2-de-oxy-?-d-gluco-pyran-ose.

ABSTRACT: The title compound, C20H47NO6Si4, was synthesized by per-O-tri-methyl-silylation of N-acetyl-d-glucosa-mine using chloro-tri-methyl-silane in the presence of hexa-methyl-disiloxane. The tri-methyl-silyl group and acetamido group are located on the same side of the pyran ring, showing an ?-configuration glycoside. One of the tri-methyl-silyl groups is disordered over two orientations, with site-occupancy factors of 0.625?(9) and 0.375?(9). In the crystal, N-H?O hydrogen bonds link the mol-ecules into supra-molecular chains along the a-axis direction.

SUBMITTER: Cheng ZD 

PROVIDER: S-EPMC3685068 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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2-Acetyl-amino-1,3,4,6-tetra-O-(tri-methyl-silyl)-2-de-oxy-α-d-gluco-pyran-ose.

Cheng Zhao-Dong ZD   Cui Yan-Li YL   Mao Jian-Wei JW  

Acta crystallographica. Section E, Structure reports online 20130518 Pt 6

The title compound, C20H47NO6Si4, was synthesized by per-O-tri-methyl-silylation of N-acetyl-d-glucosa-mine using chloro-tri-methyl-silane in the presence of hexa-methyl-disiloxane. The tri-methyl-silyl group and acetamido group are located on the same side of the pyran ring, showing an α-configuration glycoside. One of the tri-methyl-silyl groups is disordered over two orientations, with site-occupancy factors of 0.625 (9) and 0.375 (9). In the crystal, N-H⋯O hydrogen bonds link the mol-ecules  ...[more]

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