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Phenyl 2-amino-N,6-O-dibenzyl-2,3-N,O-carbonyl-2-de-oxy-1-thio-?-d-glucopyran-oside.

ABSTRACT: In the crystal structure of the title compound, C(27)H(27)NO(5)S, the pyran-ose ring adopts a (4)C(1) chair conformation with puckering parameters Q = 0.639?(2)?Å, ? = 174.11?(18) and ? = 256?(2)°. The presence of the 2,3-trans-oxazolidinone fixes the conformation of the pyran-ose ring. The phenyl group attached to the S atom and the benzyl group bonding to the N atom are each disordered over two positions with site occupancies of 0.624?(3):0.376?(3) and 0.526?(3):0.474?(3), respectively. An inter-molecular O-H?O hydrogen bond is observed.

SUBMITTER: Manabe S 

PROVIDER: S-EPMC2959351 | biostudies-literature | 2008 Sep

REPOSITORIES: biostudies-literature

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Phenyl 2-amino-N,6-O-dibenzyl-2,3-N,O-carbonyl-2-de-oxy-1-thio-β-d-glucopyran-oside.

Manabe Shino S   Ishii Kazuyuki K   Hashizume Daisuke D   Ito Yukishige Y  

Acta crystallographica. Section E, Structure reports online 20080906 Pt 10

In the crystal structure of the title compound, C(27)H(27)NO(5)S, the pyran-ose ring adopts a (4)C(1) chair conformation with puckering parameters Q = 0.639 (2) Å, θ = 174.11 (18) and ϕ = 256 (2)°. The presence of the 2,3-trans-oxazolidinone fixes the conformation of the pyran-ose ring. The phenyl group attached to the S atom and the benzyl group bonding to the N atom are each disordered over two positions with site occupancies of 0.624 (3):0.376 (3) and 0.526 (3):0.474 (3), respectively. An int  ...[more]

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