143634-88-2Relevant academic research and scientific papers
Pyridinium N-Phenoxide Betaines and Their Application to the Characterization of Solvent Polarities, XX Synthesis, Solvatochromism, and Halochromism of Chromoionophoric Crown Ether-Substituted Pyridinium N-Phenolate Betaine Dyes
Reichardt, Christian,Asharin-Fard, Siamak,Schaefer, Gerhard
, p. 23 - 34 (2007/10/02)
Synthesis, negative solvatochromism (Table 1, Figure 1), and negative halochromism (Tables 2-3, Figures 2-3) of the new crown ether-substituted pyridinium N-phenolate betaine dyes 3-6 are described.In contrast to other known chromoionophores, 3-5 exhibit
