Structure and photochemistry of "bridged" bifunctional radical cations: Amidoesters vs. amidesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Structure and properties of the radical cations of "bridged" amidoesters (functional groups separated by 0-4 methylene groups and the corresponding dimethyl-substituted amides) were investigated by EPR, optical absorption spectroscopy and DFT calculations. The EPR spectra and thermal reactions of these species are similar. Meanwhile, for amidoesters with 2-4 methylene groups, the methylene "bridge" is involved in photochemistry, which can be explained by specific conformation of amidoester radical cations determined by interaction between the functional groups. (C) 2007 Elsevier Ltd. All rights reserved.