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HETEROCYCLIC STRUCTURES APPLIED AS EFFICIENT MOLECULAR PROBES FOR THE INVESTIGATION OF CHEMICALLY IMPORTANT INTERACTIONS IN THE LIQUID PHASE

Heinz Langhals
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Abstract


Heterocyclic molecular probes were applied for the investigation chemically significant effects of the liquid phase to solute materials. A brief historic overview of the estimation of solvent effects is reported as well as most recent developments. The familiar three-dimensional concepts of solvent–solute interactions were upgraded to two-dimensional effects similar to surfaces where heterocyclic structures with compensating dipoles give basic insights in processes on the molecular level.


Keywords


pyridinium salts; solvatochromism; solvent effects; solvent polarity; UV/Vis spectroscopy

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