The title trisaccharide glycosides were needed for studies of the interactions of &tins, receptor sites for bacteriophages with Salmonella lipopolysaccharide corespecificity, and correlation of n.m.r. chemical shifts and structure. The methods used in the syntheses were conventional. Thus, 2,3,4,6-
Synthese von methyl-4-O-(α-D-digitoxosyl)-α-d-digitoxosid
✍ Scribed by Joachim Thiem; Jens Schwentner
- Book ID
- 104242644
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- French
- Weight
- 196 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0040-4039
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📜 SIMILAR VOLUMES
## Abstract Bs wird eine neue Methode zur Herstellung der Isomeren **A** und **B** der Kronenverbindung **3** in einer Zweiphasenreaktion beschrieben. Aus dem Isomer **3B** werden die Derivate **5** unterschiedlicher Löslichkeit und komplexbildender Eigenschaften hergestellt.
Treatment of methyl 3-O-benzyl-2-O-(2,3,4,6-tetra-O-acetyl-alpha-D-mannopyranosyl)-alpha-D- mannopyranoside (1) with tert-butyldiphenylsilyl chloride in N,N-dimethylformamide afforded methyl 3-O-benzyl-6-O-tert-butyldiphenylsilyl-2-O-(2,3,4,6-tetra-O-acetyl -alpha-D- mannopyranosyl)-alpha-D-mannopyr