Direct azidation of unprotected carbohydrates with PPh3/CBr4/NaN3. Modulation of the degree of substitution期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Direct azidation of unprotected carbohydrates with PPh₃/CBr₄/NaN₃. Modulation of the degree of substitution

Authors:	Sé bastien G. Gouin^,José Kovensky

Affiliation:	Laboratoire des Glucides CNRS UMR 6219, Faculté des Sciences, Université de Picardie Jules Verne, 33 rue Saint-Leu, 80039 Amiens, France

Abstract:	We describe herein a modified procedure for the direct and regioselective synthesis of polyazido-sugars, that currently requires multistep syntheses. This protocol allows to modulate the degree of azidation obtained when the reagents to substrate ratio is changed.

Keywords:	Unprotected carbohydrates Azidation Polysubstitution One pot synthesis
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