Crystal Structure of 1,3,4,6-Tetra-O-Acetyl-2-deoxy-2-fluoro-β-D-Galactopyranoside
✍ Scribed by Srikrishnan, T.; An, S. H.
- Book ID
- 121349932
- Publisher
- Taylor and Francis Group
- Year
- 1988
- Tongue
- English
- Weight
- 419 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0732-8303
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## Crystals of the tetrasaccharide, (2,3,4,6-tetra-0acetyl-fi-D-ghxopyranosyl~-(1 + 3)-[2,3,4,6-tetra-O-acetyI+LD-gIucopyranosyI-(1 --t 6)]-(2,4-di-0-acetyl-g\_D-glucopyranosyl)-1 --) 3)-1,2,4,6-tetrad-acetyl$?-n-ghicopyranose, belong to tge monoclinic system, space group P2,, with a = 12.709(4),
Single-crystal X-ray study T = 113 K Mean (C-C) = 0.006 A Disorder in main residue R factor = 0.052 wR factor = 0.111 Data-to-parameter ratio = 12.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
Condensation of 2,4,6-tri-O-acetyl-3-deoxy-3-fluoro-cr-D-galactop~anosyl bromide (3) with methyl 2,3,4-tri-O-acetyl-/9-D-galactopyranoside (4) gave a fully acetylated (1+6)-/3-D-galactobiose fluorinated at the 3'-position which was deacetylated to give the title disaccharide. The corresponding trisa