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Hydroxyl proton resonances of sugars in dimethylsulphoxide solution

✍ Scribed by B. Casu; M. Reggiani; G.G. Gallo; A. Vigevani

Publisher
Elsevier Science
Year
1964
Tongue
French
Weight
200 KB
Volume
5
Category
Article
ISSN
0040-4039

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Application of 99% formic acid at 25 degrees formylates primary hydroxyl groups as shown by the easy formation of 6-O-formyl-D-glucopyranose and 6-O-formyl-D-fructofuranose, isolated as their tetra-acetates in yields of 77% and 31%, respectively. Likewise, D-glucitol gave the 2,3,4,5-tetra-O-acetyl-