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An improved preparation of 3,4-O-isopropylidene derivatives of α- and β-d-galactopyranosides

✍ Scribed by Giorgio Catelani; Fabrizia Colonna; Alberto Marra


Book ID
107725735
Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
259 KB
Volume
182
Category
Article
ISSN
0008-6215

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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