Ion-radical intermediates of the radiation-chemical transformations of organic carbonates

Shiryaeva E.S., Sosulin I.S., Saenko E.V., Feldman V.I.
Тип документаJournal Article
Дата публикации2016-07-01
Название журналаRadiation Physics and Chemistry
Издатель
  • Radiation
Краткое описание
Abstract The spectral features and reactions of ion-radical intermediates produced from organic carbonates in low-temperature matrices were investigated by EPR spectroscopy and quantum-chemical calculations. It was shown that radical cations of diethyl carbonate and dimethyl carbonate underwent intramolecular hydrogen transfer to yield alkyl-type species, as was suggested previously. Meanwhile, radical cation of EC demonstrates a ring cleavage even at 77 K, while radical cation of PC is probably intrinsically stable and undergo an ion–molecule reaction with a neighboring neutral molecule in dimers or associates. Radical anions were obtained in glassy matrices of diethyl ether or perdeuteroethanol. The radical anions of linear carbonates show photoinduced fragmentation to yield the corresponding alkyl radicals; such process may also occur directly under radiolysis. Radical anions of cyclic carbonates are relatively stable and yield only trace amounts of fragmentation products under similar conditions.
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1. Shiryaeva E.S. и др. Ion-radical intermediates of the radiation-chemical transformations of organic carbonates // Radiation Physics and Chemistry. 2016. Т. 124. С. 19–25.
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TY - JOUR

DO - 10.1016/j.radphyschem.2016.01.010

UR - http://dx.doi.org/10.1016/j.radphyschem.2016.01.010

TI - Ion-radical intermediates of the radiation-chemical transformations of organic carbonates

T2 - Radiation Physics and Chemistry

AU - Shiryaeva, Ekaterina S.

AU - Sosulin, Ilya S.

AU - Saenko, Elizaveta V.

AU - Feldman, Vladimir I.

PY - 2016

DA - 2016/07

PB - Elsevier BV

SP - 19-25

VL - 124

SN - 0969-806X

ER -

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@article{2016,

doi = {10.1016/j.radphyschem.2016.01.010},

url = {https://doi.org/10.1016%2Fj.radphyschem.2016.01.010},

year = 2016,

month = {jul},

publisher = {Elsevier {BV}},

volume = {124},

pages = {19--25},

author = {Ekaterina S. Shiryaeva and Ilya S. Sosulin and Elizaveta V. Saenko and Vladimir I. Feldman},

title = {Ion-radical intermediates of the radiation-chemical transformations of organic carbonates}

}

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Shiryaeva, Ekaterina S. et al. “Ion-Radical Intermediates of the Radiation-Chemical Transformations of Organic Carbonates.” Radiation Physics and Chemistry 124 (2016): 19–25. Crossref. Web.