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Keywords:

  • NMR;
  • 1 H NMR;
  • 13C NMR;
  • 2D NMR;
  • synthesis

A one-step method was reported for the synthesis of 6-acetamido-3-(N-(2-(dimethylamino) ethyl) sulfamoyl) naphthalene-1-yl 7-acetamido-4-hydroxynaphthalene-2-sulfonate by treating 7-acetamido-4-hydroxy-2-naphthalenesulfonyl chloride with equal moles of N, N-dimethylethylenediamine in acetonitrile in the presence of K2CO3. The chemical structure of the obtained compounds was characterized by MS, FTIR, 1H NMR, 13C NMR, gCOSY, TOCSY, gHSQC, and gHMBC. The chemical shift differences of 1H and 13C being δ 0.04 and 0.2, respectively, were unambiguously differentiated. Copyright © 2013 John Wiley & Sons, Ltd.