The Solvatomagnetism of E T (33) Betaine and of Its Phenolic Precursor.

Autor: Martínez-Gómez F; Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile., Rezende MC; Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile., Rodríguez-Huenchún V; Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile.
Jazyk: angličtina
Zdroj: Magnetic resonance in chemistry : MRC [Magn Reson Chem] 2024 Dec; Vol. 62 (12), pp. 817-824. Date of Electronic Publication: 2024 Aug 27.
DOI: 10.1002/mrc.5478
Abstrakt: The 1 H and 13 C NMR spectra of the N-(3,5-dichloro-4-hydroxyphenyl)- 2,4,6-triphenylpyridinium perchlorate and of its deprotonated betaine 4-(2,4,6-triphenylpyridinio)-2,6-dichlorophenolate (Wolfbeis's E T (33) dye) were recorded in various solvents and analyzed in search of solvent-dependent shifts that characterize their solvatomagnetism, which was compared with the well-known UV-vis spectral behavior of this important solvatochromic dye. Although the NMR spectra of E T (33) and its phenolic precursor in different solvents correlated only poorly with their UV-vis spectral responses, they provided valuable information on specific structural features and solute-solvent interactions that are not available from their UV-vis spectra.
(© 2024 John Wiley & Sons Ltd.)
Databáze: MEDLINE
Externí odkaz: