Analytical Chemistry and Spectroscopy
Wiley InterScience Backfile Collection 1832-2000
Chemistry and Pharmacology
The radical anion of (E)-azobenzene, generated from the neutral compound by reaction with potassium mirror in an ethereal solvent, has been fully characterized by its hyperfine data with the use of ESR, ENDOR and TRIPLE-resonance spectroscopy. Assignments of coupling constants to protons in the individual positions are based on comparison with the spectra of the radical anions of 4,4′-dideuterio and 2,2′-dimethyl derivatives. Effects of 14N hyperfine anisotropy on ESR spectra and of association with the counter ion K+ are briefly discussed.
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