UV–visible spectroscopic study of the hydrophilic and solvatochromic 4‐[2,6‐diphenyl‐4‐(pyridin‐4‐yl)pyridinium‐1‐yl]‐2,6‐bis(pyridin‐3‐yl)phenolate betaine dye in eight binary solvent mixtures | Zendy

Herodes Koit | Zendy; Koppel Juta | Zendy; Reichardt Christian | Zendy; Koppel Ilmar A. | Zendy

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UV–visible spectroscopic study of the hydrophilic and solvatochromic 4‐[2,6‐diphenyl‐4‐(pyridin‐4‐yl)pyridinium‐1‐yl]‐2,6‐bis(pyridin‐3‐yl)phenolate betaine dye in eight binary solvent mixtures

Author(s) -

Herodes Koit,

Koppel Juta,

Reichardt Christian,

Koppel Ilmar A.

Publication year - 2003

Publication title -

journal of physical organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.325

H-Index - 66

eISSN - 1099-1395

pISSN - 0894-3230

DOI - 10.1002/poc.656

Subject(s) - chemistry , solvatochromism , pyridinium , betaine , photochemistry , pyridinium compounds , organic chemistry , medicinal chemistry , molecule

Solvent effects on the recently synthesized hydrophilic and negatively solvatochromic 4‐[2,6‐diphenyl‐4‐(pyridin‐4‐yl)pyridinium‐1‐yl]‐2,6‐bis(pyridin‐3‐yl)phenolate betaine dye [ E T (8) dye] in binary solvent mixtures of dimethyl sulfoxide and acetonitrile with water, methanol, propan‐2‐ol and 2‐methylpropan‐2‐ol were studied by UV–visible spectroscopy and compared with analogous measurements of the standard E T (30) betaine dye [2,6‐diphenyl‐4‐(2,4,6‐triphenylpyridinium‐1‐yl)phenolate]. A preferential solvation model was applied to the data obtained. The applicability of the E T (8) betaine dye for the determination of E T (30) values for aqueous media is discussed. Copyright © 2003 John Wiley & Sons, Ltd.

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