Fluorescence Depolarization Kinetics of Neutral and Charged 2-(3′-Pyridyl)oxazole View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2005-05

AUTHORS

V. V. Volchkov, G. V. Dem’yanov, M. V. Rusalov, T. I. Syreishchikova

ABSTRACT

The results of measurements of the starionary and time-resolved flurescence anisotropy and of the AM1 and INDO/S calculations were used for conformational analysis of a neutral molecule of the 2-(3′-pyridyl)oxazole series and of its N-ethyl cation. Most probably, the excitation of the quasi-planar rotamers of the cation, in contrast to the neutral molecule, is accompanied by a ∼90° turn of its Et-py fragment with the formation of a twisted charge-transfer conformation. According to the data obtained for ethanol and glycerol solutions and for the poly(methyl methacrylate) matrix at 20°C, the efficiency of the intramolecular relaxation is independent of the viscosity. More... »

PAGES

790-794

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s11176-005-0319-6

DOI

http://dx.doi.org/10.1007/s11176-005-0319-6

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1021020550


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