The structure of the title compound, C 14 H 19 N 3 O 9 , has been determined at 100 K. The six-membered ring exhibits a chair conformation, and all non-H substituents are found in equatorial positions.
2,3,4-Tri-O-acetyl-β-l-fucopyranosyl azide
✍ Scribed by Norris, Peter ;Zeller, Matthias
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 193 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 12 H 17 N 3 O 7 , crystallizes with two crystallographically independent molecules in the asymmetric unit. Both virtually identical molecules exhibit the expected chair conformation.
📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.005 A Ê R factor = 0.052 wR factor = 0.115 Data-to-parameter ratio = 14.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.007 A Ê R factor = 0.052 wR factor = 0.133 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.
The known tendency of halogen or alkoxyl groups on C-l in a pyranose system to adopt an axial conformation is generally designated as the anomeric effect. This effect plays an important and frequently discussed role in the field of conformational analysis of carbohydrates and related acetals '. The
Single-crystal X-ray study T = 293 K Mean '(C±C) = 0.009 A Ê Disorder in main residue R factor = 0.072 wR factor = 0.216 Data-to-parameter ratio = 18.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.