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Preparation and Some Reactions of Mono-O-ethylidene Derivatives of D-Galactose, Methyl α- and β-D-Galactopyranosides, and of D-Threose

✍ Scribed by Ball, D. H.


Book ID
126472848
Publisher
American Chemical Society
Year
1966
Tongue
English
Weight
652 KB
Volume
31
Category
Article
ISSN
0022-3263

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Efficient and stereoselective synthesis
✍ Abdul Rashid; William Mackie 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 652 KB

Methyl 3-O-(3,6-anhydro-beta-D-galactopyranosyl)-alpha-D-galactopyranoside (3) and methyl 3,6-anhydro-4-O-beta-D-galactopyranosyl-alpha-D-galactopyranoside (4) have been synthesised stereoselectively using three coupling procedures. Acceptable yields were achieved using acetylated derivatives as don