Optical and photochemical properties of N-benzalaminophenylpyridinium perchlorates

Autor:	M. I. Knyazhanskii, G. E. Trukhan, Yu. P. Andreichikov, G. N. Dorofeenko, Ya. R. Tymyanskii
Rok vydání:	1974
Předmět:	chemistry.chemical_compound Photochromism chemistry Proton Excited state Intramolecular force Organic Chemistry Pyridinium Absorption (chemistry) Luminescence Ring (chemistry) Photochemistry
Zdroj:	Chemistry of Heterocyclic Compounds. 10:696-698
ISSN:	1573-8353 0009-3122
DOI:	10.1007/bf00480928
Popis:	The electronic spectra of a number of benzylidene derivatives of N-aminoarylpyridinium perchlorates are associated with absorption localized on the individual pyridinium and azomethine fragments and with intramolecular charge transfer (ICT) from the azomethine fragment to the pyridinium ring. The luminescence is associated with the latter process. The photochromism is due to proton transfer in the excited state of the azomethine fragment, which competes with ICT, and is also due to structural factors.
Databáze:	OpenAIRE
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