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SPECTRAL-LUMINESCENT PROPERTIES AND NH-TAUTOMERISM OF FREE BASES OF THE CORROLE ALKYLATED DERIVATIVES

Abstract

The molecular structure and spectral-luminescent properties of free bases of 2,3,7,13,17,18- hexamethyl-8,12-di-n-butylcorrole and 7,13-dimethyl-8,12-di-n-butylcorrole in solutions in the temperature range of 288—328 K were studied by methods of luminescent and absorption spectroscopy and quantum chemistry. Absorption and fluorescence spectra of studied compounds were shown to be the superimposed spectra of two NH-tautomers. Individual tautomer spectra were identified and bands were assigned to specific transitions. NH-tautomer equilibriums in the ground S0 and lower excited S1 singlet states were characterized.

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Ajeeb Y.H., Klenitsky D.V., Vershilovskaya I.V., Petrova D.V., Semeikin A.S., Maes W., Gladkov L., Kruk M.M. SPECTRAL-LUMINESCENT PROPERTIES AND NH-TAUTOMERISM OF FREE BASES OF THE CORROLE ALKYLATED DERIVATIVES. Zhurnal Prikladnoii Spektroskopii. 2020;87(3):378-386. (In Russ.)

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ISSN 0514-7506 (Print)