THE RADICAL-ANION OF (E)-AZOBENZENE REVISITED

被引:13
作者
BUSER, U
ESS, CH
GERSON, F
机构
[1] Institut Für Physikalische Chemie, Universität Basel, Basel, CH-4056
关键词
(E)-AZOBENZENE; 2,2'-DIMETHYL-(E)-AZOBENZENE; RADICAL ANIONS; ESR ENDOR;
D O I
10.1002/mrc.1260290715
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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 N-14 hyperfine anisotropy on ESR spectra and of association with the counter ion K+ are briefly discussed.
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页码:721 / 725
页数:5
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