## 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),
Molecular and crystal structures of 2,3,4,6,1′,3′,4′,6′-octa-O-acetyl-β-sophorose, methyl 2,3,4,6,3′,4′,6′-hepta-O-acetyl-β-sophoroside, and methyl 2,3,4,6,3′,4′-hexa-O-acetyl-6′-deoxy-β-sophoroside
✍ Scribed by Masaki Ikegami; Tomoya Sato; Kouichi Suzuki; Keiichi Noguchi; Kenji Okuyama; Shinichi Kitamura; Kenichi Takeo; Shigeru Ohno
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 639 KB
- Volume
- 271
- Category
- Article
- ISSN
- 0008-6215
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✦ Synopsis
The molecular and crystal structures of 2, 3,4,6,1',3',4',6'-octa-O-acetyl-fl-sophorose (flsophorose octaacetate), methyl 2,3,4,6,3',4',6'-hepta-O-acetyl-/3-sophoroside (methyl /3-sophoroside heptaacetate), and methyl 2,3,4,6,3',4'-hexa-O-acetyl-6'-deoxy-fl-sophoroside (methyl 6'-deoxy-fl-sophoroside hexaacetate) were determined by X-ray diffraction. All structures were obtained by the direct method and refined by the full-matrix least-squares procedure. The crystal data and final R values are as follows: /3-sophorose octaacetate, C28019H38, monoclinic, P21,
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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
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