(2R,3S,4R)-1,2,4,5-Tetraacetoxy-3-methoxypentyl acetate
✍ Scribed by Valdivia, Verónica V. ;Sosa-Rivadeneyra, Martha ;Quintero, Leticia ;Bernès, Sylvain
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 206 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
The title compound, C 16 H 24 O 11 , formed by acetolysis of a dxylofuranose derivative, has an open-chain structure adopting a hindered conformation in the solid state.
📜 SIMILAR VOLUMES
A stereoselective synthesis of (1 0 S,3R,4R)-4-acetoxy-3-(2 0 -fluoro-1 0 -trimethylsilyloxyethyl)-2-azetidinone as a new fluorine-containing intermediate towards b-lactams, is described. The synthetic key step relies upon the dynamic kinetic resolution (DKR) of ethyl 2-benzamidomethyl-4-fluoro-3-ox
In the title compound, C 18 H 20 O 5 , the hydroxyl and dimethoxyphenyl substituents are in axial positions. The heterocyclic ring is in a half-chair conformation. The molecules are linked by OÐHÁ Á ÁO hydrogen bonds, leading to the formation of a chain extended throughout the whole of the crystal.
In the title compound, C 14 H 30 O 4 Si, the bond angles around Si are in the range 105.4 (3)-112.1 (4) and the tetrahydrofuran ring adopts a distorted envelope conformation. There is one intramolecular and one intermolecular O-HÁ Á ÁO hydrogen bond in the crystal structure. A spiral of molecules fo