Crystal and molecular structure of the β-anomer of 6,7-dideoxy-1,2;3,4;9,10-tris-O-(1-methylethylidene)-d-erythro-α-d-galacto-undecopyranosid-8-ulose
✍ Scribed by Travis D. Weaver; Matthias Zeller; Peter Norris
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 505 KB
- Volume
- 36
- Category
- Article
- ISSN
- 1572-8854
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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
The title compound, C28H27O5, is triclinic, space group P1 with unit cell dimensions a = 12.763(2), b = 11.130(2), c = 4.764(3) A, alpha = 73.78(3), beta = 82.89(3), gamma = 62.16(1) degrees, V = 574.8(4) A3, and Z = 1. The pyranose ring has an 4H5 conformation with some flattening at C-4. Molecular