New simple routes to the title epoxide, using carbonate esters of methyl 4,6-O-benzyiidenea-D-glucopyranoside, are described. Some mechanistic aspects of the reactions are discussed. Sugar epoxides (oxiranes) are of considerable practical importance'-4. They are usually prepared from sulfonic ester
Raection of methyl 2,3-anhydro-4,6-O-benzylidene-α-d-allopyranoside with ethanolamine and 1,4,7,10-tetraoxa-13-azacyclopentadecane
✍ Scribed by Gábor Tóth; Wolfgang Dietrich; Péter Bakó; László Fenichel; László Töke
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 272 KB
- Volume
- 168
- Category
- Article
- ISSN
- 0008-6215
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✦ Synopsis
Chid crown derivatives have gained importance for the resolution of racemates and as ligands in ion-selective electrodesl. We have reported several crown ethers where the chirality originated from a monosaccharide moiety2-s and now report on novel sugar-azacrown ethers obtained from methyl 2,3-anhydro-4,6
📜 SIMILAR VOLUMES
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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