The secondary hydroxyl groups in methyl 4,6-0-benzylidene-/3-Dglucopyranoside (1) show i, towards various reagents, little selectivity in partial etherification and esterification reactions, compared to those in the corresponding cr-D-glucopyranoside derivative. Most of the selective benzylatiorG,
✦ LIBER ✦
Regioselective p-toluenesulfonylation of benzyl 4′,6′-O-benzylidene-β-maltoside
✍ Scribed by Ken'ichi Takeo
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 216 KB
- Volume
- 112
- Category
- Article
- ISSN
- 0008-6215
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## Note The Koenig+Knorr reaction of benzyl 4,6-O-benzylidene-fl-o-galactopyranoside with 2,3,4,6-tetra-O-acetyl-a-D-galactopyranosyl bromide In continuation of our studiesle5 on the relative reactivity ot' HO-2 and -3 in 4,6-O-benzylidene-D-glucopyranosides towards u-glucosylation 111 reactions o
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