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S-Phenyl 4,6-O-benzylidene-2,3-O-carbonyl-1-thia-α-d-mannopyranoside

✍ Scribed by Manabe, Shino ;Ishii, Kazuyuki ;Hashizume, Daisuke ;Ito, Yukishige

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
438 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the title compound, C 20 H 18 O 6 S, the pyranoside ring adopts a distorted conformation (E2 oriented 4 C 1 ). The presence of a fused cis-carbonate alters the conformation of the pyranose ring from the normal 4 C 1 chair conformation.

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Molecular and crystal structure of methy
Molecular and crystal structure of methyl 2,3,4-tri-O-acetyl-β-d-xylopyranosyl-(1 → 2)-3-O-benzyl-4,6-O-benzylidene-α-d-mannopyranoside
✍ Osamu Kanie; Tadahiro Takeda; Keiichiro Hatano 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 306 KB

Acylated ]3-o-xylopyranose derivatives are known to exist as a mixture of the 1C 4 and 4C I conformers in rapid equilibrium in solution [3]. Several conformations have also been reported for/3-D-xylopyranose derivatives in the solid state [4]. In the course of our study to investigate the functions