Enzymatic synthesis of 2-acetamido-4-O-(2-acetamido-2-deoxy-β-d-galactopyranosyl)-2-deoxy-d-glucopyranose and 2-acetamido-6-O-(2-acetamido-2-deoxy-β-d-galactopyranosyl)-2-deoxy-d-glucopyranose catalysed by the β-N-acetylhexosaminidase from Aspergillus oryzae
✍ Scribed by Suddham Singh; David H.G. Crout; John Packwood
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 322 KB
- Volume
- 279
- Category
- Article
- ISSN
- 0008-6215
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📜 SIMILAR VOLUMES
Treatment of benzyl 2-acetamido-2-deoxy-alpha-D-galactopyranoside with 4-methoxybenzaldehyde dimethyl acetal in N,N-dimethylformamide in the presence of 4-toluenesulfonic acid afforded the 4,6-O-(4-methoxybenzylidene) acetal, which was glycosylated with 2,3,4,6-tetra-O-acetyl-alpha-D-galactopyranosy
In a continuing program for the synthesis of oligosaccharides that occur as part of mutinous glycoconjugates, we previously described\* the synthesis of the disaccharide methyl 3-0-(2-acetamido-2-deoxy-P-D-glucopyranosyl)-a-D-galactopyranoside (1). We have also demonstrated that 1 could be readily
Condensation of benzyl 2-acetamido-4,6-O-benzylidene-2-deoxy-a-D-galactopyranoside with 2,3,4-tri-o-acetyl-a-D-fucopyranosyl bromide in 1: 1 nitromethane-benzene, in the presence of powdered mercuric cyanide, afforded benzyl 2-acetamido-4,6-O-benzylidene-2-deoxy-3-0-(2,3,4-tri-O-acetyl-P-D-fucopyran