Carbohydrate Research p. 83 - 94 (1980)
Update date:2022-08-16
Topics:
Saeed, May S.
Williams, J. Michael
The products of hydrazinolysis of the 1-N-acetyl and 1-N-(L-β-aspartyl) derivatives of 2-acetamido-2-deoxy-β-D-glucopyranosylamine could not be converted quantitatively into 2-amino-2-deoxy-D-glucose under mild conditions.Proton and (13)C-n.m.r. measurements indicated that the hydrazone of 2-amino-2-deoxy-D-glucose was a major product of the hydrazinolysis of 2-acetamido-1-N-acetyl-2-deoxy-β-D-glucopyranosylamine.Control experiments showed that acetohydrazide is slowly converted into 4-amino-3,5-dimethyl-1,2,4-triazole under the conditions of hydrazinolysis, and hat 2-amino-2-deoxy-D-glucose reacts slowly with acetohydrazide in dilute acetic acid.The implications of these results in relation to the hydrazinolysis of glycopeptides and glycoproteins are discussed.
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