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ELECTRON SPIN RESONANCE STUDIES .20. GENERATION OF ORGANIC RADICALS BY ONE-ELECTRON REDUCTION OF ALIPHATIC HALOGENO-COMPOUNDS IN AQUEOUS SOLUTION
被引:94
作者:
BECKWITH, AL
NORMAN, ROC
机构:
[1] Department of Chemistry, University of York, Heslington
来源:
JOURNAL OF THE CHEMICAL SOCIETY B-PHYSICAL ORGANIC
|
1969年
/
04期
关键词:
D O I:
10.1039/j29690000400
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
The carbon dioxide radical-anion, which can be obtained in aqueous solution through the oxidation of sodium formate by the hydroxyl radical produced from titanium(III) ion and hydrogen peroxide, is an effective one-electron reducing agent for many aliphatic halogeno-compounds; we have observed the e.s.r. spectra of a number of organic radicals formed in this way. The method seems to be generally applicable to iodo-compounds, but with bromo-or chloro-compounds there is a requirement for a substituent which is capable of stabilising the resulting radical. The conjugate acid of the carbon dioxide radical-anion is a somewhat less effective reducing agent, and the radical .CMe2OH is even less effective.
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页码:400 / &
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