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Keywords:

  • aldehydes;
  • aldimines;
  • amines;
  • fluorescence;
  • sensors
Thumbnail image of graphical abstract

Change in water: Aqueous solutions of aldehyde-substituted, water-soluble distyrylbenzenes reacted with amines to give imines or aminals with dramatically changed fluorescence. This approach allowed the detection and recognition of amines in water (see figure).