Epimerization of Monosaccharides in Acetic Acid and Acetic Anhydride. Synthesis of D-Altrose
- 1 April 1972
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 50 (7) , 1092-1094
- https://doi.org/10.1139/v72-170
Abstract
Acetolysis of 1,2;5,6-di-O-isopropylidene-α-D-allofuranose occurred with inversion at C-2 in a medium composed of acetic acid, acetic anhydride, and sulfuric acid. D-Altrose was isolated in 45% yield by deacetylation and chromatographic separation of the mixture of products. Unsubstituted D-allose did not epimerize under the same reaction conditions.Keywords
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