Aromatic hydrazones derived from nicotinic acid hydrazide as fluorimetric pH sensing molecules: Structural analysis

T Benković1, A Kenđel1, J Parlov-Vuković2

  • 1Division of Analytical Chemistry, Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, HR-10000 Zagreb, Croatia.

Summary

Structural analyses of aroylhydrazones reveal a stable ketoamine form stabilized by hydrogen bonds. Chloro- and methoxy-derivatives exhibit pH-dependent fluorescence, crucial for understanding molecular behavior.

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