EPR studies on carboxylic esters. Part 17. EPR spectra and spin densities in the radical anions of thio and dithiocoumarins

EPR studies on carboxylic esters. Part 17. EPR spectra and spin densities in the radical anions of thio and dithiocoumarins

The radical anions of 4-methyl-1-thiocoumarins and 4-methyl-1-thio-2-thionocoumarins are generated by internal electroreduction and studied by EPR spectrosopy. The spin density distribution is evaluated from the proton hfs coupling constants and by MO calculations. The radical anions of the correspo...

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Veröffentlicht in:Journal of chemical research 2007-04, Vol.2007 (4), p.226-228
Hauptverfasser: Voss, JÜrgen, Edler, Ronald
Format: Artikel
Sprache:eng
Schlagworte:
Anions
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Zusammenfassung:The radical anions of 4-methyl-1-thiocoumarins and 4-methyl-1-thio-2-thionocoumarins are generated by internal electroreduction and studied by EPR spectrosopy. The spin density distribution is evaluated from the proton hfs coupling constants and by MO calculations. The radical anions of the corresponding coumarins and 2-thionocoumarins are not persistent enough for EPR spectroscopic measurements.
ISSN:1747-5198
2047-6507
DOI:10.3184/030823407X209660