Negative Photochromism of Solutions of Functionalized Spiropyrans in a Water—Acetonitrile Mixture

A spectral-kinetic study of photochromic functionalized nitro-substituted indoline spiropyrans in water-acetonitrile mixtures has allowed to observe for the first time the effect of negative photochromism due to the self-assembly of photochromic molecules in a mixed solvent with the formation of hyd...

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Veröffentlicht in:	Russian journal of general chemistry 2019-09, Vol.89 (9), p.1783-1786
Hauptverfasser:	Valova, T. M., Barachevsky, V. A., Khuzin, A. A., Tuktarov, A. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetonitrile Chemistry Chemistry and Materials Science Chemistry/Food Science Hydrogen Hydrogen bonds Photochromism Self-assembly Spiropyrans
Online-Zugang:	Volltext
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Zusammenfassung:	A spectral-kinetic study of photochromic functionalized nitro-substituted indoline spiropyrans in water-acetonitrile mixtures has allowed to observe for the first time the effect of negative photochromism due to the self-assembly of photochromic molecules in a mixed solvent with the formation of hydrogen bonds and proton complexes.
ISSN:	1070-3632 1608-3350
DOI:	10.1134/S1070363219090093