Gerhard Schäfer

Syntheses and UV/Vis-Spectroscopic Properties of Hydrophilic 2-, 3-, and 4-Pyridyl-Substituted Solvatochromic and Halochromic PyridiniumN-Phenolate Betaine Dyes as New Empirical Solvent Polarity Indicators

C. L. Reichardt, Daqing Che, Guido Heckenkemper et al. · European Journal of Organic Chemistry · 2001 · 90 citations

Natural Sciences, Chemistry, Analytical Chemistry +13

Solute/solvent interactions and their empirical determination by means of solvatochromic dyes

C. REICHARDT, Siamak Asharin‐Fard, Andreas Blum et al. · Pure and Applied Chemistry · 1993 · 66 citations · Full text

Natural Sciences, Chemistry, Physical Chemistry +11

Pyridinium <i>N</i>‐Phenoxide Betaines and Their Application to the Characterization of Solvent Polarities, XIX. The Halochromism of Pyridinium <i>N</i>‐Phenoxide Betaine Dyes in Acetonitrile Solution

C. L. Reichardt, Siamak Asharin‐ Fard, Gerhard Schäfer · Chemische Berichte · 1993 · 50 citations

Natural Sciences, Chemistry, Analytical Chemistry +15

Syntheses and UV–visible spectroscopic properties of new ‘fluorophilic’ fluorine‐ and perfluoroalkyl‐substituted solvatochromic pyridinium <i>N</i>‐phenolate betaine dyes

C. L. Reichardt, Michael Eschner, Gerhard Schäfer · Journal of Physical Organic Chemistry · 2001 · 40 citations

Natural Sciences, Chemistry, Physical Chemistry +11

Pyridinium <i>N</i>‐phenoxide betaines and their application to the characterization of solvent polarities, XXI Determination of new and corrections of old <i>E</i>_T(30) values as empirical measures of solvent polarity for 40 organic solvents

C. L. Reichardt, Gerhard Schäfer · Liebigs Annalen · 1995 · 35 citations

Natural Sciences, Chemistry, Analytical Chemistry +10