Photochemistry of 2,2-Dimethyl- and 2,2,3-Trimethyloxirane Radical Cations in Freon Matrices at 77 K.

Autor: Sorokin, I. D., Gromov, O. I., Pergushov, V. I., Pomogailo, D. A., Melnikov, M. Ya.
Zdroj: Moscow University Chemistry Bulletin; Nov2021, Vol. 76 Issue 6, p361-369, 9p
Abstrakt: The nature of radical cations (RCs) stabilized in irradiated frozen solutions of 2,2-dimethyl- and 2,2,3-trimethyloxirane in Freons (CFCl3, CF3CCl3) was determined by means of EPR and UV/Vis spectroscopy as well as quantum chemistry. It was established that the afforded ring-open RCs, formed upon C–C bond cleavage in the oxirane ring, undergo intramolecular hydrogen atom transfer upon the action of light, resulting in the formation of distonic RCs. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index