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Preparation of 2,6-anhydro-aldose acylhydrazones, -semicarbazones and -oximes from 2,6-anhydro-aldononitriles (glycosyl cyanides)

✍ Scribed by Marietta Tóth; László Somsák


Book ID
108309465
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
244 KB
Volume
338
Category
Article
ISSN
0008-6215

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## Abstract Acetylated 1‐bromo‐D‐glycosyl cyanides 1–5 react with zinc dust in acetic acid, acetic acid/water, or 2‐propanol to give mixtures of acetylated 1‐cyanoglycals 6–9 and anomeric pairs of glycosyl cyanides 10–14. Reaction of 1–5 in refluxing benzene in the presence of one equivalent of tri