DEGRADATION REACTION OF α-d-GALACTOPYRANURONIC ACID IN ACETIC ANHYDRIDE-BASE SYSTEM
- 5 January 1985
- journal article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 14 (1) , 49-52
- https://doi.org/10.1246/cl.1985.49
Abstract
α-d-Galactopyranuronic acid was converted to 1,2,3-tri-O-acetyl-4-deoxy-β-l-threo-4-hexenopyranuronic acid (3) and 3-acetoxy-6-(diacetoxymethyl)-2H-pyran-2-one respectively by treatment with acetic anhydride-4-(dimethylamino)pyridine or acetic anhydride-acetic acid-pyridine. Further degradation of 3 in acetic anhydride-triethylamine gave comanic acid.Keywords
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