New evidence for isomerism of the formazyl group. Synthesis of selectively protected 2-deoxy-galactose formazans

Virág Zsoldos-Mády, István Pintér, Péter Sándor, Mária Peredy-Kajtár, András Messmer

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Abstract

A new application of the formazyl activation provided selectively protected new derivatives of both 2-deoxy-D-galactose and 2-acetamido-2-deoxy-D-galactose formazans from 6-amino-6-deoxy-D-galactose 6,4-cyclic carbamate (1) under very simple conditions. The 1 H NMR spectrum of the acetylated 2-deoxy derivative 7 revealed an equilibrium between chelated and unusual non-chelated forms of the formazan moiety in solution.

Original languageEnglish
Pages (from-to)747-754
Number of pages8
JournalJournal of Carbohydrate Chemistry
Volume20
Issue number7-8
DOIs
Publication statusPublished - Dec 1 2001

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ASJC Scopus subject areas

  • Biochemistry
  • Organic Chemistry

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